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NISSEI CORPORATION

addressTokyo/Chuo-ku/19-21 Nihonbashi Hakozaki-cho, MSH Nihonbashi Hakozaki Building, 9th Floor
phone03-4346-3112
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last updated:Oct 23, 2025
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NISSEI CORPORATION List of Products and Services

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Compressor Compressor
HMI HMI
AdBlue AdBlue
Environmental materials Environmental materials
Resin-related Resin-related
Explosion-proof tablet Explosion-proof tablet
バッテリー バッテリー
処理剤 処理剤
Temperature logger Temperature logger
Condensing unit Condensing unit
Core-shell type microparticles Core-shell type microparticles
Spin coater Spin coater
Baking sheet Baking sheet
Hot rolled steel (master rail) Hot rolled steel (master rail)
Cast and sheet metal parts Cast and sheet metal parts
Hydraulic cylinder Hydraulic cylinder
Resin-related

Resin-related

Resin-related products

High molecular weight, high grafting rate anhydride maleic acid modified PP "Kayaburid"

Unlock the potential of the compatibilizer! High molecular weight/high grafting rate of maleic anhydride modified PP 'Kayaburid'.

The compatibilizer "Kayaburid" is a maleic anhydride modified polypropylene (MAPP) with a high molecular weight and high grafting rate (high modification rate) compared to conventional products. <Applications> This product is used for the compatibilization of polar substances such as wood flour, CNF, glass fibers, carbon fibers, etc., with olefin-based resins like polypropylene (PP). Additionally, MAPP can be utilized in various fields, including adhesive layers for multilayer films, primers, hot melt adhesives, and more. <Features> Traditionally, molecular weight and grafting rate are in a trade-off relationship, but Kayaburid maintains high values for both due to its special manufacturing process. This allows for the formation of chemical bonds at the interface and the entanglement effect of molecular chains, which can enhance the strength of fillers and improve physical properties.

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Small quantity orders accepted! Contract manufacturing of engineering plastics and super engineering plastics compounds.

Leave the development of composite materials, engineering plastics, and super engineering plastics prototypes and compounds to us!

We offer compounds of engineering plastics and super engineering plastics, as well as coloring services. MOQ: Coloring: 25KG and up Compounds: 300KG Track Record: PEEK, PPS, PPSU, PES, PSU, LCP, PA, etc. We can also develop composite materials, so please feel free to consult with us! We can also propose high-performance compatibilizers. Track Record: PP + CMF PP + Carbon Black PP + Glass Fiber etc. We may also be able to accommodate small quantities for prototypes before mass production. We would appreciate it if you could contact us.

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Zinc sulfide (ZnS)

Zinc sulfide with a refractive index of 2.37, high thermal conductivity, and low Mohs hardness.

We have a proven track record of adoption both domestically and internationally. We also have samples available, so please feel free to contact us. We offer two grades, S-10 and S-20. This product has been sintered and has comparable concealment and coloring properties to widely distributed conventional products. Please check the comparison photos below. We also handle a variety of other resin additives, so please take a look at those as well.

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Super engineering plastics film (PPSU, PES, PSU, etc.)

Leave the film molding of super engineering plastics to us!!

Features - Super engineering plastics such as PPSU, PSU, PES, and film molding of PA, PET, etc. - Capable of handling mass production orders from several thousand m² to small lots in the prototype stage - Film production in a clean environment Please feel free to contact us. plastics@nisseicorp.co.jp

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The currently trending super engineering plastic! PPSU (Polyphenylsulfone)!

Please leave everything from raw materials to coloring and contract molding to us.

**Features of Polyphenylsulfone** Heat resistance: Above 220°C Chemical resistance: Usable at pH 1-13 Transparency: Transmittance 80% **Proposal Contents** 1. Raw Materials Stock of resin materials *Please consult us regarding securing raw material inventory 2. Coloring Coloring, compound processing *If you provide a color sample, we can suggest a close color match 3. Contract Molding Mold production *Mold production tailored to your desired size Partnership with a PPSU specialized molding manufacturer *Consultation on molding and processing *For more details, please download the PDF or contact us.

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Compatibilizer suitable for reinforcing recycled resin [Kayaburid].

Improvement of the physical properties of recycled resin! Ideal for alloying and filler reinforcement with high molecular weight/high grafting rate maleic anhydride modified polypropylene (MAPP) compared to conventional products.

<Applications> In the industry of recycled resins that expand their use, the reduction of strength and flexibility due to the mixing of dissimilar materials often poses problems when using recycled products. In solving these issues, compatibilizers can be highly effective. 1. Alloying of resins with different polarities 2. Compatibilization of olefin resins with foreign substances (polar) 3. Compatibilization for reinforcement through filler (additive) addition <Features> Originally, molecular weight and grafting rate have a trade-off relationship, but Kayaburid maintains high values for both due to its special manufacturing process. This enables the formation of chemical bonds at the interface and the entanglement effect of molecular chains, which can enhance the strength of fillers and improve physical properties.

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Super engineering plastics coloring contract business (MOQ: 25KG and up)

Please leave everything from prototype to mass production to us. We will adjust the colors to your desired specifications with high technology.

We offer coloring for super engineering plastics. We can accommodate everything from prototypes to mass production and will color to your desired color. Mass production is accepted from a minimum order quantity of 25 kg. Please feel free to consult us for new color matching and coloring, as well as for BCP.

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Electrostatic discharge prevention grade PES

PES showing high heat resistance and stable electrical properties.

Polyether sulfone (PES) with high heat resistance and stable electrical resistance Polyether sulfone is widely used as a high-performance plastic with excellent heat resistance and mechanical strength. By adding additives, we have successfully developed PES that also possesses stable surface resistance. 1. **Heat Resistance**: PES can maintain its shape and performance even in high-temperature environments, capable of withstanding temperatures above 200°C. 2. **Electrical Resistance**: Surface resistance is controlled between 10⁶ and 10¹², preventing the generation of static electricity and the adhesion of dust. 3. **Chemical Stability**: It shows high resistance to acids, alkalis, and oils, remaining stable against chemical agents. 4. **Mechanical Strength**: It has high tensile strength and impact strength, demonstrating excellent durability.

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Materials for hollow fiber membranes: PSU, PPSU, PES

As a material for hollow fiber membranes.

PSU (Polysulfone) High heat resistance Excellent dimensional stability Moderate resistance to acids and bases Excellent moldability Balanced control of oxygen and moisture permeability PES (Polyether sulfone) High heat resistance Chemical resistance to acids, alkalis, and oxidizing agents High mechanical strength and rigidity Excellent film-forming ability and solvent resistance PSU (Polyphenylsulfone) High heat resistance Chemical resistance to acids, alkalis, and oxidizing agents Outstanding hydrolysis resistance and impact resistance Repeatedly suitable for steam sterilization and autoclaving

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PEEK substitute PES compound products

PEEK alternative resin with high heat resistance, high rigidity, and cost performance.

Product Overview This product is a high-performance thermoplastic compound that combines polyethersulfone (PSf), which has excellent heat and chemical resistance, with carbon fibers in a highly dispersed manner. It exhibits superior rigidity, dimensional stability, and mechanical strength due to the carbon fibers, making it suitable for a wide range of applications including precision instruments, automotive parts, and electrical and electronic components as a metal or PEEK alternative. Features - High Heat Resistance Based on polyethersulfone with a glass transition temperature of 220°C, it maintains its properties even in high-temperature environments. It is also promising as a PEEK alternative. - High Rigidity and Strength The incorporation of carbon fibers achieves mechanical properties capable of handling high-load components and structures. - Excellent Dimensional Stability It has minimal expansion and contraction due to temperature and humidity changes, making it ideal for precision and fitting parts. - Chemical Resistance It has high resistance to acids, alkalis, and organic solvents, demonstrating performance even in harsh usage environments. - Molding Processability It can be injection molded, achieving lower costs and higher productivity compared to PEEK.

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Eco Promote

Significantly reduced molding time - PLA crystal nucleating agent Eco Promote

The Eco-Promote series is a PLA (polylactic acid) additive that promotes the crystallization of PLA molecules, which are a type of bioplastic. It offers two grades: "Eco-Promote," which significantly shortens molding time, and "Eco-Promote-TF," which maintains transparency after crystallization. By adding these to PLA resin and molding, the heat resistance, productivity, and transparency of PLA products can be improved, thereby expanding their application scenarios.

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