Kiriuri Product Lineup

Sheiparu (R) Hi Msoft (manufactured by Tokuyama) is a composite sintered body of aluminum nitride (AlN) and boron nitride (BN), which is a machinable ceramic that can be processed with general cutting tools. It has a thermal conductivity of 92 W/m·K and thermal dissipation properties close to that of metals, while also possessing high electrical insulation properties, making it suitable for insulation and thermal insulation components in high-temperature parts of semiconductor manufacturing equipment, as well as heat dissipation materials. KIRIURI.COM offers white boards in six sizes (T5 to T40). Parts can be manufactured by machining from the boards, making it suitable for small quantities and short lead-time prototypes. We also accommodate cutting to the required size and quantity (some sizes are available only for standard sales). Material property tables and material explanation PDFs are also available for download.

• Ceramics

Sheiparu (R) Hi Msoft (manufactured by Tokuyama) is a composite sintered body of aluminum nitride (AlN) and boron nitride (BN), which is a machinable ceramic that can be processed with common cutting tools. It has a thermal conductivity of 92 W/m·K and thermal dissipation properties close to that of metals, while also possessing high electrical insulation properties, making it suitable for insulation and thermal insulation components in high-temperature parts of semiconductor manufacturing equipment, as well as heat dissipation materials. KIRIURI.COM offers white round bars in five sizes (φ10 to φ40). Parts can be manufactured by machining from round bars, making it suitable for small quantities and short lead-time prototypes. We also accommodate cutting sales in required sizes and quantities (some sizes are only available for standard length sales). Material property tables and material explanation PDFs are also available for download.

• Ceramics

PTFE (polytetrafluoroethylene / fluoropolymer) is a material that is resistant to almost all chemicals and has one of the lowest coefficients of friction among resins. Its continuous use temperature is about 260°C, and its water absorption rate is extremely low at 0.01%. It is used in seals, gaskets, low-load sliding parts, and insulating components. KIRIURI.COM offers pure PTFE "Naflon®" (manufactured by Nichias) sheets in 25 sizes (T1 to T75) without fillers. We accommodate cutting to the required dimensions and quantities. You can also download the material properties table and material explanation PDF.

• Engineering Plastics

PTFE (polytetrafluoroethylene / fluoropolymer) is resistant to almost all chemicals and has one of the lowest friction coefficients among resins. Its continuous use temperature is approximately 260°C, and its water absorption rate is extremely low at 0.01%. It is used in seals, gaskets, low-load sliding parts, and insulating components. KIRIURI.COM offers pure PTFE "Naflon®" (manufactured by Nichias) round rods in 32 sizes (φ4 to φ150). We accommodate cutting to the required dimensions and quantities. A material properties table and material explanation PDF are also available for download.

• Engineering Plastics

Vespel (R) is a polyimide (PI) resin from DuPont. The representative grade SP-1 can withstand continuous use temperatures of 300°C and intermittent temperatures of 480°C, offering excellent dimensional stability and electrical insulation properties at high temperatures. The ability to select different grades with varying fillers according to application is its greatest feature. KIRIURI.COM offers SP-1, SP-21, and SCP-5000 in thicknesses from T2 to T50.8 in 50 sizes, as well as SP-22, SP-211, SP-3, and conductive SP-202 in T50.8, totaling 154 sizes of sheets. We also accommodate cutting to the required dimensions and quantities. Material property tables and material explanation PDFs are available for download.

• Engineering Plastics

Vespel (R) is a polyimide (PI) resin from DuPont. The representative grade SP-1 can withstand continuous use temperatures of 300°C and intermittent temperatures of 480°C, offering excellent dimensional stability and electrical insulation at high temperatures. Its greatest feature is the ability to choose from different grades with varying fillers according to the application. KIRIURI.COM offers unfilled SP-1, graphite-reinforced SP-21, SP-22, SP-211, vacuum-grade SP-3, and plasma-resistant and chemical-resistant SCP-5000 series (SCP-5000/5009/5050/50094), with round rods available in 122 sizes (φ6.3 to φ152.4). We also accommodate cutting to the required length and quantity. Material property tables and material explanation PDFs are available for download.

• Engineering Plastics

These are resin balls (plastic balls). The specific gravity, chemical resistance, heat resistance, and transparency vary by material, allowing you to choose according to the usage environment. KIRIURI.COM offers 10 materials, including PP, POM, PA66 (66 nylon), PA6 (6 nylon), PMMA (acrylic), PE (polyethylene), PC (polycarbonate), PTFE (Teflon), PEEK, and PI (Vespel), with a total of 125 sizes (Sφ1.2mm to Sφ2in). There are inch sizes (Sφ1/16in to Sφ2in) and metric sizes (Sφ1.2mm/1.5mm/2.0mm). You can order the required quantity for each size. Property data PDFs for 66 nylon, 6 nylon, acrylic, and polycarbonate balls are also available for download. *Teflon is a trademark of DuPont (now Chemours), and Vespel is a trademark of DuPont.

• plastic
• Engineering Plastics

This is a washer made of PEEK (polyether ether ketone). PEEK is a crystalline super engineering plastic that can withstand continuous use temperatures of up to 260°C, and it excels in the balance of heat resistance, mechanical strength, chemical resistance, and hydrolysis resistance. It is used in environments that dislike metal, in areas that require insulation, and for fastening purposes aimed at weight reduction. KIRIURI.COM offers PEEK washers (natural) manufactured by Japan Chemical Screw in a total of 9 sizes ranging from M2.0 to M12.0. You can order the required quantity for each size. A material property table and material explanation PDF for PEEK are also available for download.

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• Engineering Plastics

This is a hex nut made of PEEK (polyether ether ketone). PEEK is a crystalline super engineering plastic that can withstand continuous use temperatures of up to 260°C, and it excels in the balance of heat resistance, mechanical strength, chemical resistance, and hydrolysis resistance. It is used in environments that dislike metal, in areas requiring insulation, and for fastening aimed at weight reduction. KIRIURI.COM offers PEEK hex nuts (natural) manufactured by Japan Chemical Screw in a total of 9 sizes ranging from M2.0 to M12.0. You can order the required quantity for each size. A material property table and material explanation PDF for PEEK are also available for download.

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• Engineering Plastics

This is a hex socket bolt made of PEEK (polyether ether ketone). PEEK is a crystalline super engineering plastic that can withstand continuous use temperatures of up to 260°C, and it excels in the balance of heat resistance, mechanical strength, chemical resistance, and hydrolysis resistance. It is used in environments that are hostile to metals, in areas that require insulation, and for fastening purposes aimed at weight reduction. At KIRIURI.COM, we offer PEEK hex socket bolts (natural) manufactured by Japan Chemical Screw in 7 sizes ranging from M3.0 to M12.0, totaling 56 variations in different lengths. You can order the required quantity for each size. A material property table and material explanation PDF for PEEK are also available for download.

• bolt
• Engineering Plastics

This is a hex bolt made of PEEK (polyether ether ketone). PEEK is a crystalline super engineering plastic that can withstand continuous use temperatures of up to 260°C, excelling in a balance of heat resistance, mechanical strength, chemical resistance, and hydrolysis resistance. It is used in environments that are hostile to metals, in areas requiring insulation, and for fastening aimed at weight reduction. At KIRIURI.COM, we offer PEEK hex bolts (natural) manufactured by Japan Chemical Screw in 6 sizes ranging from M4.0 to M12.0, totaling 53 variations in different lengths. You can order the required quantity for each size. A PDF with the physical properties of PEEK material and material explanations is also available for download.

• bolt
• Engineering Plastics

This is a (+) small screw made of PEEK (polyether ether ketone). PEEK is a crystalline super engineering plastic that can withstand continuous use temperatures of up to 260°C, and it excels in the balance of heat resistance, mechanical strength, chemical resistance, and hydrolysis resistance. It is used in environments that dislike metals, in areas requiring insulation, and for fastening aimed at weight reduction. At KIRIURI.COM, we offer PEEK (+) small screws (natural) manufactured by Japan Chemical Screw in 7 sizes and 44 variations of lengths ranging from M2.0 to M8.0. You can order the required quantity for each size. A material property table and material explanation PDF for PEEK are also available for download.

• bolt
• Engineering Plastics

This is a (+) pan head screw made of PEEK (polyether ether ketone). PEEK is a crystalline super engineering plastic that can withstand continuous use temperatures of up to 260°C, and it excels in the balance of heat resistance, mechanical strength, chemical resistance, and hydrolysis resistance. It is used in environments that dislike metals, in areas where insulation is required, and for fastening aimed at weight reduction. At KIRIURI.COM, we offer PEEK (+) pan head screws (natural) manufactured by Japan Chemical Screw, available in 57 different types with 8 sizes ranging from M1.7 to M8.0 in varying lengths. You can order the required quantity for each size. A material property table and material explanation PDF for PEEK are also available for download.

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• Engineering Plastics

Alumina (aluminum oxide Al2O3) is a high-hardness, high-insulation ceramic that can be used practically up to about 1500°C. Its melting point is 2072°C, making it widely used as a material for thermocouple protection tubes and insulating tubes in high-temperature environments that cannot withstand resins or machinable ceramics. At KIRIURI.COM, we offer our brand "Jasmine" alumina tubes (ivory color) in a total of 106 sizes, including tube size 40, protection tube size 36, and fine tube size 30 (outer diameter φ1 to φ120). We also accommodate cutting to the required size and quantity (some sizes are only available for standard length sales). You can also download the material property table and material explanation PDF.

• Ceramics

PPS (polyphenylene sulfide) is a crystalline super engineering plastic. It has an extremely low water absorption rate and excels in dimensional stability and chemical resistance. It offers heat resistance close to that of PEEK while being more cost-effective, making it a material chosen for its balance of cost and performance. KIRIURI.COM offers Toray Plastics' TPS-PPS (natural) sheets in 11 sizes ranging from T6 to T100. We accommodate cutting to the required dimensions and quantities. You can also download the material property table and material explanation PDF.

• Engineering Plastics

PPS (polyphenylene sulfide) is a crystalline super engineering plastic. It has an extremely low water absorption rate and excels in dimensional stability and chemical resistance. It offers heat resistance close to that of PEEK while being more cost-effective, making it a material chosen for its balance of cost and performance. KIRIURI.COM offers Toray Plastics' TPS-PPS (natural) round bars in 12 sizes ranging from φ10 to φ150. We accommodate cutting to the required length and quantity. A material property table and material explanation PDF are also available for download.

• Engineering Plastics

PBI (Polybenzimidazole) is a super engineering plastic with top-class heat resistance, featuring a load deflection temperature of 410°C and a glass transition temperature of 420°C. It is used in high-temperature and vacuum components of semiconductor manufacturing equipment due to its high strength, high hardness, low thermal expansion, and excellent plasma resistance. KIRIURI.COM offers standard grade SCM7000 (black) and high-purity grade SCM7000HP (black) sheets in a total of 12 sizes ranging from T10 to T50. We also accommodate cutting to the required dimensions and quantities. Property tables and material explanation PDFs are available for download.

• Engineering Plastics

PBI (Polybenzimidazole) is a super engineering plastic with top-class heat resistance, featuring a load deflection temperature of 410°C and a glass transition temperature of 420°C. It is characterized by high strength, high hardness, low thermal expansion, and excellent plasma resistance, making it suitable for high-temperature and vacuum components in semiconductor manufacturing equipment. KIRIURI.COM offers standard grade SCM7000 (black) and high-purity grade SCM7000HP (black) round rods in a total of 14 sizes ranging from φ11 to φ50. We also accommodate cutting to the required length and quantity. Property tables and material explanation PDFs are available for download.

• Engineering Plastics

PEI (Polyetherimide) is an amorphous super engineering plastic that features flame resistance rated UL94 V-0 and low smoke generation, with an amber transparency. Known by the name "Ultem," it is stable against hot water and steam, making it suitable for medical devices that require repeated sterilization and aircraft interiors. KIRIURI.COM offers Mitsubishi Chemical Advanced Materials' Juratron U1000 PEI (amber transparent) sheets in seven sizes ranging from T6 to T50. We also accommodate cutting to the required dimensions and quantities. A material property table and material explanation PDF are available for download.

• Engineering Plastics

PEI (polyetherimide) is an amorphous super engineering plastic that features flame resistance rated UL94 V-0 and low smoke generation, with an amber-colored transparency. Known by the name "Ultem," it is stable against hot water and steam, making it suitable for medical devices that require repeated sterilization and aircraft interiors. KIRIURI.COM offers Mitsubishi Chemical Advanced Materials' Juratron U1000 PEI (amber transparent) round rods in 13 sizes ranging from φ6 to φ152. We accommodate cutting to the required length and quantity. A physical properties table and material explanation PDF are also available for download.

• Engineering Plastics

PEEK (Polyether Ether Ketone) is a crystalline super engineering plastic that can withstand continuous use temperatures of up to 260°C. It excels in the balance of heat resistance, mechanical strength, chemical resistance, and hydrolysis resistance, making it widely used in semiconductor manufacturing equipment and medical devices as an alternative to metals. It is also characterized by its ease of machining among ultra-heat-resistant resins. KIRIURI.COM offers unfilled grade TECAPEEK (Natural) sheets manufactured by Ensinger in 14 sizes ranging from T5 to T80. We accommodate cutting to the required dimensions and quantities. You can also download the material property table and material explanation PDF.

• Engineering Plastics

PEEK (polyether ether ketone) is a crystalline super engineering plastic that can withstand continuous use temperatures of 260°C. It excels in the balance of heat resistance, mechanical strength, chemical resistance, and hydrolysis resistance, making it widely used in semiconductor manufacturing equipment and medical devices as an alternative to metals. It is also characterized by its ease of machining among ultra-heat-resistant resins. KIRIURI.COM offers unfilled grade TECAPEEK (natural) rods manufactured by Ensinger, available in 31 sizes ranging from φ5 to φ200. We can provide cutting services to the required length and quantity. Material property tables and material explanation PDFs are also available for download.

• Engineering Plastics

PAI (Polyamide Imide) is a super engineering plastic that combines excellent heat resistance from imide bonds with excellent processability and toughness from amide bonds. It has one of the highest mechanical strengths and high creep resistance among unfilled plastics, and is used for high-load components in the temperature range of continuous use up to 250°C. KIRIURI.COM offers Toray Plastics' TPS-Ti5013 (Natural) sheets in 11 sizes from T2 to T40. We accommodate cutting to the required dimensions and quantities. You can also download the material property table and material explanation PDF.

• Engineering Plastics

Unilate is a composite material from Unichika that combines glass short fibers and inorganic fillers with PET (polyethylene terephthalate). It excels in electrical insulation, rigidity, and dimensional stability, and has low water absorption, making it suitable for insulating parts and jigs. Another advantage is that it can be produced at a lower cost compared to PI (Bespel) and PEI. KIRIURI.COM offers Unilate PC (brown) sheets in 18 sizes with thicknesses ranging from T1 to T55. Please note that "PC" is a grade name and refers to a different material than polycarbonate. We also accommodate cutting to the required dimensions and quantities. Property tables and material explanation PDFs are available for download.

• Engineering Plastics

Unilate is a composite material from Unichika, which combines glass short fibers and inorganic fillers with PET (polyethylene terephthalate). It excels in electrical insulation, rigidity, and dimensional stability, and has low water absorption, making it suitable for insulating parts and jigs. Compared to PI (Bespel) and PEI, it is more cost-effective and is a strong option for insulation applications below 120°C. KIRIURI.COM offers standard grade Unilate PR (brown) in four sizes of round bars (φ30 to φ60). We accommodate cutting to the required length and quantity. You can also download the material properties table and material explanation PDF.

• Engineering Plastics

POM (polyacetal) is an engineering plastic that excels in the balance of sliding properties, dimensional stability, and fatigue strength, and has very good machinability. With a water absorption rate of 0.20%, it is significantly lower than MC nylon and is widely used for precision machine parts such as gears, bearings, and rollers that are machined from solid material. KIRIURI.COM offers Toray Plastics' TPS-POM in six colors: white (thickness 5-100mm), black (thickness 5-100mm), blue (thickness 5-30mm), and red, yellow, and green (thickness 30mm), available in 40 sizes of sheets. We also accommodate cutting to the required dimensions. Material property tables and material explanation PDFs are available for download.

• Engineering Plastics

POM (polyacetal) is an engineering plastic that excels in the balance of sliding properties, dimensional stability, and fatigue strength, and has very good machinability. With a water absorption rate of 0.20%, it is significantly lower than MC nylon and is widely used for precision machine parts such as gears, bearings, and rollers that are machined from solid material. At KIRIURI.COM, we offer Toray Plastics' TPS-POM in six colors: white and black (each φ6 to φ200), blue (φ30 to φ100), and red, yellow, and green (φ60), available in 69 sizes of round rods. We also accommodate cutting to the required length and quantity. Material property tables and material explanation PDFs are available for download.

• Engineering Plastics

PE-UHMW (Ultra High Molecular Weight Polyethylene) is a resin with extremely high wear resistance and impact resistance. It has a specific gravity of 0.94, making it lightweight and able to float on water, and it absorbs very little moisture. In areas where wear is a primary concern, it is expected to have a longer lifespan than MC nylon and POM, and it is widely used in sliding and wear-resistant applications at room temperature, such as guide rails for conveyor lines and linings for hoppers and chutes. KIRIURI.COM offers Mitsuboshi Belt's UHMW-NA (White) in sheet size 20 (thickness 3 to 120 mm). We accommodate cutting to the required dimensions. You can also download the material property table and material explanation PDF.

• Engineering Plastics

PE-UHMW (Ultra High Molecular Weight Polyethylene) is a resin with extremely high wear resistance and impact resistance. It has a specific gravity of 0.94, making it lightweight and buoyant in water, and it absorbs very little moisture. In areas where wear is a primary concern, it is expected to have a longer lifespan than MC nylon and POM, and it is widely used in sliding and wear-resistant applications at room temperature, such as guide rails for conveyor lines and linings for hoppers and chutes. KIRIURI.COM offers Mitsuboshi Belt's UHMW-NA (White) in 24 sizes of round rods (φ10 to φ200). We accommodate cutting to the required length and quantity. Material property tables and material explanation PDFs are also available for download.

• Engineering Plastics

PBT (Polybutylene Terephthalate) is a crystalline engineering plastic of the polyester type. It has a low water absorption rate of 0.09% and good electrical insulation properties, making it suitable for insulating parts and precision components that should not be affected by humidity. It is also characterized by its toughness, with a tensile elongation exceeding 200%. KIRIURI.COM offers PBT (natural) in sheet size (thickness 10 to 100 mm). We accommodate cutting to the required dimensions. You can also download the material property table and material explanation PDF.

• Engineering Plastics

MC Nylon is a cast nylon (PA6 type) polymerized using the monomer casting method. It has superior mechanical strength, wear resistance, and heat resistance compared to general nylon 6, and is widely used in machined parts such as gears, bearings, and liners. KIRIURI.COM offers a range of products from the basic grade MC901 (blue) to uncolored MC900, weather-resistant MC801, sliding MC703HL, heat-resistant MC602ST (up to 150°C), conductive MC501CD (R2/R6/R9), and non-carbon static dissipative MC500AS (R11), all available in sheet size 106 (thickness 5 to 140mm). Custom cutting to required dimensions is available. Property tables and material explanation PDFs for each grade can also be downloaded.

• Engineering Plastics

PP (polypropylene) is a general-purpose resin that falls into the category of the lightest practical resins, with a specific gravity of 0.91. It is extremely resistant to acids and alkalis and hardly absorbs water, making it widely used in chemical tanks, plating lines, and parts for food machinery. It has a higher heat resistance than PE-HD, with a continuous use temperature of 100°C. KIRIURI.COM offers Takiron Polymer's PP P370 (natural and milky white) in board size 14 (thickness 10 to 100 mm). We accommodate cutting to the required dimensions. A physical properties table and material explanation PDF are also available for download.

• plastic

PP (polypropylene) is a general-purpose resin that falls into the category of the lightest practical resins, with a specific gravity of 0.91. It is extremely resistant to acids and alkalis and hardly absorbs water, making it widely used in chemical tanks, plating lines, and parts for food machinery. It has a higher heat resistance than PE-HD, with a continuous use temperature of 100°C. KIRIURI.COM offers Takiron Polymer's PP Marbo 370 (natural and milky white) in round rod sizes (φ15 to φ180). We accommodate cutting to the required length and quantity. A material properties table and material explanation PDF are also available for download.

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PE-HD (high-density polyethylene) is a general-purpose resin with a specific gravity of 0.97, making it light enough to float on water, and it absorbs very little water while being resistant to acids and alkalis. It is easy to machine, inexpensive, and widely used for parts around food, components that come into contact with chemical solutions, and as cushioning material where metal surfaces should not be scratched. KIRIURI.COM offers HSNAC-PE (milky white) from Nippon Vacuum Chemical in board size 11 (thickness 10 to 100 mm). We also accommodate cutting to the required dimensions. You can download the material properties table and material explanation PDF.

• plastic

PE-HD (high-density polyethylene) is a general-purpose resin that is lightweight enough to float on water with a specific gravity of 0.97, absorbs almost no water, and is resistant to acids and alkalis. It is easy to machine, inexpensive, and widely used for parts around food, components that come into contact with chemical solutions, and as cushioning material where metal surfaces should not be scratched. KIRIURI.COM offers HSNAC-PE (milky white) from Nippon Vacuum Chemical in round rod sizes (φ10 to φ200). We accommodate cutting to the required lengths and quantities. You can also download the material properties table and material explanation PDF.

• plastic

ABS is a general-purpose resin made from three components: acrylonitrile, butadiene, and styrene. It is characterized by its ease of machining, ease of adhesion and painting, and affordability, making it widely used in situations where the goal is to "first shape it," such as prototypes, jigs, and covers. KIRIURI.COM offers HSNAC-ABS from Nippon Vacuum Chemical in two colors: natural (thickness 6-100mm) and black (thickness 10-50mm), available in 22 sizes of sheets. We also accommodate cutting to the required dimensions. You can download the material property table and material explanation PDF.

• plastic

ABS is a general-purpose resin composed of three components: acrylonitrile, butadiene, and styrene. It is characterized by its ease of machining, adhesion, and painting, as well as its affordability, making it widely used in situations where the goal is to "first create a shape," such as prototypes, jigs, and covers. KIRIURI.COM offers HSNAC-ABS from Japan Vacuum Chemical in two colors, natural (φ10 to φ230) and black (φ15 to φ150), available in 38 sizes of round rods. We also accommodate cutting to the required length and quantity. Material property tables and material explanation PDFs are available for download.

• plastic

MC Nylon is a cast nylon (PA6 series) polymerized using the monomer casting method. It excels in mechanical strength, wear resistance, and heat resistance compared to general nylon 6, and is widely used in machined parts such as gears, bearings, and rollers. KIRIURI.COM offers a range of round rods in 144 sizes (φ10 to φ250), starting from the basic grade MC901 (blue), as well as uncolored MC900, weather-resistant MC801, sliding MC703HL, heat-resistant up to 150°C MC602ST, conductive MC501CD (R2/R6/R9), and non-carbon anti-static MC500AS (R11). We also accommodate cutting to the required length and quantity. Material property tables and material explanation PDFs for each grade are available for download.

• Engineering Plastics