アオイ化学工業 List of Products and Services

High-adhesion molded products can adhere to various materials and are capable of following the movement of the adhered object. We can manufacture products with performance and shapes tailored to our customers' applications. In the field of hygiene equipment, we boast a long track record of 48 years of use.

• Other polymer materials

Asphalt is a black, sticky substance obtained as a residue from the distillation of petroleum, which has the property of melting and becoming soft when heated. It is highly durable and water-resistant, making it suitable for road paving, and it has high viscoelasticity, allowing it to be used as a binder (adhesive material). It is also easy to process and an economical material. Our company possesses one of the leading manufacturing lines for asphalt boards in the country. This product is used for civil engineering applications such as joint materials and water-stopping materials, as well as for building floor soundproofing materials. Its properties that make it difficult for sound to transmit, along with its use in agricultural applications and as a simple paving material that conforms to the underlying surface, allow for various applications! Additionally, we have a manufacturing line for rubber asphalt sheets. We are seeking new applications for these products. 【Features of Asphalt Products】 ■ It is a black, sticky substance obtained as a residue from petroleum distillation, with high viscoelasticity and excellent performance as a binder. ■ We can manufacture asphalt boards with thicknesses ranging from 4mm to 20mm, and rubber asphalt sheets with thicknesses from 2mm to 5mm. ■ It is highly durable and water-resistant. ■ Soundproofing effects and water-stopping properties can also be incorporated. ■ It is easy to process and economical. *For more details, please refer to the PDF materials or feel free to contact us.

• Other polymer materials
• Cushioning material
• others

"I-Pass" is a product that combines a molded tape that enhances the adhesive properties to pavement with a triangular rubber component. The rubber material used in this product is selected as hard rubber, achieving both durability and flatness. To enhance adhesion to both concrete and asphalt pavements, a unique shape is adopted. Installation is easy as it only requires attaching the I-Pass to the upper edge of the concrete and laying the asphalt mixture. 【Features】 ■ Eliminates issues of edge chipping and gaps during handover inspections ■ Speeds up the handover to customers ■ No costs incurred for repairs due to rework ■ Maintains flatness at the boundary, reducing unnecessary deceleration ■ Provides improved work efficiency to customers, gaining trust in quality *For more details, please refer to the PDF document or feel free to contact us.

• Rubber
• others

The "Water Cutter" is a lightweight, flexible water drainage material that can be easily retrofitted, preventing deterioration of concrete structures caused by water running along the underside of the floor slab. When you assemble the included pole paper, it quickly transforms into a base for applying adhesive to this product. It allows for easy installation with one-component adhesive. After applying the adhesive, the Water Cutter can be lifted and pressed down using the base, achieving even simpler installation. 【Features】 ■ Lightweight ■ Cuts off running water with its unique shape ■ Comes with an assembly-type mounting base for easy adhesive application ■ The product with adhesive can be easily installed using the base *For more details, please download the PDF or feel free to contact us.

• Other consumables

The "Water Cutter (for Side Use)" is a drainage material that prevents water from flowing in various areas, which was difficult with conventional drainage materials, and helps suppress the deterioration of structures. It uses a flexible and highly durable material that conforms to the unevenness of the surface to which it is attached. A dedicated mounting base is included, allowing for easy attachment with a one-component adhesive. This product is applicable to the side parts of beams, handrails, bridge abutments, and piers, as well as the inclined parts of piers and areas using the wrapping method. 【Features】 ■ Suppresses the deterioration of structures ■ Lightweight at 50g per piece ■ Dedicated adhesive with excellent bonding strength ■ Flexible and highly durable material ■ Easy installation *For more details, please refer to the PDF document or feel free to contact us.

• glue
• others

Aoi Chemical has a long history of manufacturing materials with strong adhesion. Strong adhesive molded products can adhere to various materials and are capable of following the movement of the substrate. We can manufacture products with performance and shapes tailored to our customers' applications. No changes are observed even in areas that come into contact with strongly acidic or strongly alkaline solutions. For about 50 years, we have been manufacturing and supplying materials that utilize adhesive properties for water-stopping effects in the sanitary ceramic equipment field. 【Features】 ■ Strong adhesion ■ No influence from seasons or environments ■ Acid-resistant and alkali-resistant ■ Free molding capabilities ■ Stable manufacturing *For more details, please refer to the PDF materials or feel free to contact us.

• Other polymer materials
• others

Our company offers plastic "high-adhesion molded products" that adhere to various materials and follow the movement of the substrate. These products are excellent in acid and alkali resistance, moldability, and have already been adopted for preventing water leaks, gas leaks, water stopping, and filling gaps. Depending on ideas and needs, new applications can be developed, and we provide proposals and support tailored to your company's requirements. 【Features】 ■ Stable performance across a wide temperature range of -30°C to 70°C ■ Available in various shapes such as rod, tape, sheet, block, and with core materials ■ Flexible, allowing for fine adjustments on-site ■ Adhesion is possible through chemical reactions with metal oxides in fresh concrete, along with curing *For more details, please refer to the materials. Feel free to contact us with any inquiries.

• Adhesive tape

☆ Powerful even underwater It exhibits strong adhesive strength even underwater. By attaching it in a ring shape to PVC pipes, a strong adhesive force can be obtained. ☆ Usable in wet conditions It has excellent adhesion and can be applied in wet conditions. ☆ Speeds up construction With a fast-curing type, it enables faster construction and early backfilling. ☆ Good water tightness Due to minimal shrinkage during curing, it has excellent water tightness. ☆ Excellent durability and chemical resistance After curing, it is rich in durability and chemical resistance.

• Other polymer materials
• Engineering Plastics

"Safe Tight / Bonnell Tight" is a resin foam joint board that shows good compliance to the expansion deformation of concrete and its recovery. Due to the deformation volume relaxation function of the internal bubbles characteristic of the resin foam, there is almost no overflow during compression. Being independently bubble-structured, it has no water absorption or permeability, and there is no damage from freezing and thawing. 【Features】 ■ Excellent chemical resistance ■ Almost no water absorption ■ Lightweight and easy to cut ■ No overflow ■ High recovery ability *For more details, please refer to the PDF document or feel free to contact us.

• others

The "Trigger Joint" is a joint material that artificially concentrates cracks at specific locations while possessing excellent water-stopping performance to prevent water leakage and rebar corrosion, as well as superior construction performance from the installation of formwork to completion. There is no need for seal filling treatment on the decorative joints after formwork removal. The color of the joint surface is a gray tone that matches the color of the concrete, and after construction, it blends seamlessly with the structure, resulting in a beautiful finish. 【Features】 ■ Easy to install ■ No seal filling treatment required ■ Excellent joint followability and water resistance ■ Superior weather resistance ■ Concentrates cracks by adjusting the cross-sectional defect rate ■ Beautiful finish *For more details, please refer to the PDF document or feel free to contact us.

• others

The "Crack Bond Method" is a technique for injecting an epoxy-based injection material (Crack Bond) into cracks that have occurred in concrete structures at low speed and low pressure. Using the CRB injector for injection does not require special tools, making it easy to inject. By checking the resin remaining in the injection tool, you can visually confirm the curing state of the resin injected into the crack. 【Features】 ■ Improves the durability of structures ■ Allows deep injection at low speed and low pressure ■ Injection work is simple ■ Curing state can be easily checked *For more details, please refer to the PDF document or feel free to contact us.

• Repair Agent

"Unicold L-2" is a two-component mixed rubber asphalt emulsion type filling material designed for simple and rapid construction. The main agent container is in a tube form, and by adding the hardener (liquid) and shaking it, it becomes a fast-curing injection filling material. It is suitable for injection into cracks that occur in concrete and asphalt pavements, and compared to our conventional product (Unicold), it has a lower viscosity, making it excellent for penetration into permeable pavements. 【Features】 ■ Suppresses the pumping phenomenon of permeable asphalt pavements ■ Effectively extends the lifespan of asphalt pavement structures ■ The cured material is elastic and follows the movement of joints and cracks ■ As an emulsion type, it has good adhesion to wet surfaces ■ Due to its low viscosity, it has good permeability to permeable pavements, etc. *For more details, please refer to the PDF document or feel free to contact us.

• Repair Agent

"Unicold Room Temperature Type" is a simple and quick construction filling material of the two-component mixed rubber asphalt emulsion type. The main agent container is a tube, and by adding the hardener (liquid) and shaking it, it becomes a fast-curing injection filling material. Since it is a room temperature construction type, it can be safely applied without using fire. Compared to heated construction types, it does not produce smoke or CO2, making it an environmentally friendly product. 【Features】 ■ Can be applied without a dedicated primer, eliminating the need for coating and drying steps ■ Easy application according to joint width and crack width ■ Fast-curing type that hardens in about one hour ■ Safe application without using fire, as it is a room temperature construction type ■ Environmentally friendly product with no smoke or CO2 emissions *For more details, please refer to the PDF document or feel free to contact us.

• Repair Agent

The "Rubber Coat Method" is a waterproofing technique that uses a two-component acrylic polymer cement-based coating material (Rubber Coat RC-4) to prevent water leakage. By mixing the main agent (liquid) and the hardener (powder), it becomes an elastic mortar. By applying it to the joint areas of the central divider of elevated bridges, it effectively prevents water leakage from the joints. It has excellent elasticity and flexibility, allowing it to closely follow the vibrations of the deck. 【Features】 ■ Maintains elasticity for a long period and durability has been confirmed through performance ■ The mixture of the main agent and hardener is fluid and has excellent workability ■ Can reliably prevent water leakage ■ Harmonizes with the landscape when an AOI top coat is applied ■ Has excellent elasticity and flexibility, closely following the vibrations of the deck *For more details, please refer to the PDF document or feel free to contact us.

• Other consumables

The "AOI Show Onboard" is a floor soundproofing material that has been developed through various considerations regarding the prevention of airborne and solid sound propagation, along with repeated measures and evaluations leading to its commercialization. It contains a heavy mineral filler that excels in preventing vibration propagation, which is uniformly bonded with elastic asphalt that absorbs these vibrations. As a result, it significantly reduces floor impact noise in homes and apartments, as well as noise from above. 【Features】 ■ High sound insulation effect achieved with a single layer installation ■ Greatly reduces floor impact noise ■ High density, yet easily processed with a utility knife ■ Both sides are finished with non-woven fabric, allowing for good compatibility with base materials and flooring ■ Environmentally friendly *For more details, please refer to the PDF document or feel free to contact us.

• others

The "Weed Sheet M" is a thin, lightweight weed suppression material that offers excellent workability and allows for easy on-site cutting. It is an environmentally friendly sheet made from recycled PET fibers, consisting of two layers of short and long fiber non-woven fabric. It has flexibility that easily conforms to the unevenness of the ground. While it does not allow plant shoots to pass through, it possesses water permeability and air permeability, thus not hindering the growth of surrounding plants. 【Features】 ■ Excellent light-blocking and chemical resistance ■ Flexibility that easily conforms to the unevenness of the ground ■ Prevents fading and maintains aesthetic appeal for a long time ■ Water and air permeable, compatible with seedlings and other plants ■ Easy to install *For more details, please refer to the PDF document or feel free to contact us.

• others

"Weed Sheet AS" has high water resistance and light-blocking properties, making it a weed suppression material that completely prevents the growth and reproduction of plants through photosynthesis. Additionally, it possesses long-lasting weather resistance due to protective silica sand. According to the results of the weather meter accelerated weathering test, no significant changes in appearance, dimensions, weight, tensile properties, or light-blocking performance were observed even after 3000 hours. It can be used on highway shoulder slopes, cut earth, and central reservations. 【Features】 - 100% light-blocking, preventing plant photosynthesis - No permeability, does not support plant growth - Excellent weather resistance - Easy to install - Joint and edge treatment is simply done by welding with a torch burner *For more details, please refer to the PDF document or feel free to contact us.

• others

The "Rubber Top Joint 250MJ" is an embedded joint for bridges that significantly improves mobility and water resistance. Thanks to its innovative expansion structure, it ensures an expansion amount of 20mm with a minimum joint width. By reducing the contact area with the tires, it shortens the time that the vehicle's wheel load is applied. The structure is simple, requiring less material volume and cooling quickly, which reduces the total construction time. 【Features】 ■ Measures against ruts ■ Double leak prevention ■ Comfortable mobility ■ No noise generation ■ Reduced construction width compared to conventional methods *For more details, please refer to the PDF document or feel free to contact us.

• Repair Agent

The "Water Cutter" is a water drainage material for concrete structures that can prevent the deterioration of bridges caused by water seeping around the underside of the deck. Weighing only 80g per unit, it is easy to install. It comes with an assembly-type mounting base that makes applying adhesive easier. After applying the adhesive, this product can be lifted and pressed down with the base, achieving even simpler installation. 【Features】 ■ Prevents deterioration of bridges caused by water seeping around the underside of the deck ■ Only 80g per unit ■ Unique shape cuts off seeping water ■ Comes with an assembly-type mounting base for easy adhesive application ■ Easy installation with one-component adhesive *For more details, please refer to the PDF document or feel free to contact us.

• glue
• others

Weed control sheet for civil engineering and agriculture covered with green-colored silica sand.

• others

Asphalt emulsion type cold sealing material

• others

Bond Top Quick is a two-component epoxy adhesive primarily composed of modified epoxy resin, which cures quickly, allowing for a reduction in construction time. It also uses a laminated tube packaging that enables you to extract the necessary amount, and since the mixing ratio is 1:1 (by volume), it is an adhesive with good workability.

• glue

Good tracking performance of the target.

• others

Environmentally friendly floor soundproofing material.

• others

Epoxy resin-based injection agents can be injected into the details of cracks.

• others

"Unicold L-2" is an emulsion-type repair agent that fills cracks and gaps caused by asphalt coating, allowing for the repair of cracks and preventing the scattering of aggregates. It has low viscosity and can be applied at room temperature, requiring no open flames, so it does not produce smoke. It is easy to apply by injecting or dispensing from a nozzle-equipped container and simply spreading it with a rubber spatula or similar tool. 【Features】 ■ Ideal for drainage pavements (prevents pumping phenomena) ■ Highly effective for extending the life of pavements ■ Emulsion type, with good adhesion even when wet ■ Improved slip resistance ■ Elastic, with excellent crack-following ability *For more details, please download the catalog. It also includes images of the application process.

• Repair Agent

It is a concrete curing mat.

• others

Prevention of floor tile falling.

• others