光工業 List of Products and Services

We offer the "Astep JT Series," a double-sided adhesive tape suitable for asphalt paving during repaving and for side tack coats in milling overlay paving. Additionally, it can be used not only as a side tack coat but also as a seal coat upon completion of asphalt paving. Please feel free to contact us if you have any inquiries. 【Features】 ■ High safety and reliability ■ Cost: Improved productivity and profitability ■ Performance: Stronger adhesion than straight asphalt, integrating the edges of the pavement ■ Environment: No need for container disposal, contributing to CO2 emission reduction ■ Time-saving: Simplification of work processes, significantly reducing work time *For more details, please download the PDF or feel free to contact us.

• Paving Materials
• Secondary paving products
• Pavement construction

"U Coat" is a coating-type surface scattering prevention material that enables high durability repairs through strong adhesion to repair surfaces, waterproofing, and weather resistance, allowing for simple application. It does not use organic solvents or any toxic substances, eliminating concerns about fire hazards during application, harm to workers' health, and air pollution. Additionally, due to its high solid content and quick drying time, the application time is significantly reduced. [Features] - A repair material for aggregate scattering prevention made primarily from asphalt, synthetic resins, and special fillers. - Allows for simple repairs, resolving aggregate scattering with just the application work. - Enables rapid application, completing repairs of 5 to 20 m² in about 3 hours (during summer). *For more details, please download the PDF or feel free to contact us.

• Paving Materials

"Quick Bar" is a heating construction type pavement crack repair material made from high-viscosity special asphalt, which excels in adhesion and prevents the recurrence of cracks. It can be applied using a cassette burner, standard burner, or small to large trowels. Since it is primarily made from asphalt and aggregates, there is no shrinkage after application. Additionally, its solid form and manageable size allow for efficient use without waste. 【Features】 - Excellent adhesion due to the use of high-viscosity special asphalt - Thin sheet form that melts easily, providing excellent workability - Can be applied with a hand burner (torch burner) - Minimal shrinkage after application due to the primary use of asphalt and aggregates - Long-term storage is possible *For more details, please download the PDF or feel free to contact us.

• Paving Materials

The "UK Road Mat" is a mat-like material that combines modified asphalt and synthetic fiber non-woven fabric sheets, featuring a surface coated with slip-resistant mineral powder and a special rubberized asphalt self-adhesive layer on the back. It can be used for suppressing the expansion of hexagonal cracks, preventing debris from pot hole repair areas, correcting thin layer surface irregularities, and providing slip resistance on steel plates and concrete surfaces. 【Features】 ■ Simply peel off the release paper and stick it on ■ Strong self-adhesive layer allows for easy application without the need for primer ■ Can be stored for a long time *For more details, please download the PDF or feel free to contact us.

• Paving Materials

"Strong Mat" is a pavement crack repair material that allows for quick repairs simply by applying it, enabling rapid restoration of damaged areas. It is durable and long-lasting, providing top-class cost performance for pavement repairs. Since there is no excess material generated, there is no need for disposal as industrial waste. 【Features】 ■ Quick repairs can be made just by applying it (can be opened to traffic immediately) ■ Made primarily from high-viscosity modified asphalt mixture, it can prevent the recurrence of cracks for a long time due to its high strength characteristics ■ Can be stored for a long time *For more details, please download the PDF or feel free to contact us.

• Paving Materials

The "thin layer" is an asphalt paving material suitable for filling in bumps (approximately 5mm or more) and for leveling rough pavement surfaces. Due to its property of hardening under pressure, it allows for immediate traffic opening after construction, and the natural compaction from passing vehicles increases its durability over time. 【Features】 ■ An environmentally friendly paving material that does not contain volatile organic solvents (VOCs) ■ Almost odorless, preventing irritating smells from filling warehouses or vehicles ■ No stickiness from solvents, making it less likely to soil hands, feet, or clothing ■ Can be stored for about 2 years without hardening after opening *For more details, please download the PDF or feel free to contact us.

• Paving Materials

"YK Pack" is a cold asphalt paving material that can be used for quick repairs of small potholes and cracks. It is packed directly into the repair area, and it hardens through natural compaction from the weight of passing vehicles, preventing the scattering of aggregates after traffic is reopened. Additionally, this product can be repaired in a short time, which has been recognized for its safety for workers, and it has a proven track record of use on highways. 【Features】 ■ An environmentally friendly paving material that does not contain volatile organic solvents (VOCs) ■ Almost odorless, preventing irritating smells from filling warehouses or vehicles ■ Can be stored for about two years without hardening after opening ■ Due to its property of hardening under pressure, it can be opened to traffic immediately after application *For more details, please download the PDF or feel free to contact us.

• Paving Materials

"PP Ascon" is a small-scale thin-layer overlay and drainage pavement material that uses high-viscosity asphalt, which produces strong bonding and durability. Not only for the repair of drainage pavements, but even in thin-layer overlays for initial ruts, step corrections, and surface delamination, early strength can be achieved by carefully compacting with a small compactor, allowing for long-term maintenance of the repaired areas. 【Features】 ■ By using high-viscosity asphalt, sufficient compaction allows for longer maintenance of repaired areas compared to conventional products. ■ It has almost no odor, preventing irritating smells from filling warehouses or vehicles. ■ There is no stickiness from solvents, making it less likely to soil hands, feet, or clothing. ■ It does not harden after opening, allowing for approximately two years of storage. ■ Due to its property of hardening under pressure, it can be opened to traffic immediately after construction. *For more details, please download the PDF or feel free to contact us.

• Paving Materials

"YK Ascon" is an all-weather paving material that is environmentally friendly and does not contain volatile organic solvents (VOCs). It can be used on wet surfaces and is suitable for a wide range of applications, from deep pothole repairs to overlays. Additionally, it can be stored for about two years after opening. 【Features】 ■ Almost no odor, preventing irritating smells from filling warehouses or vehicles ■ No sticky solvents, making it less likely to dirty hands, feet, or clothing ■ Does not harden after opening, allowing for approximately two years of storage ■ Due to its property of hardening under pressure, it can be opened to traffic immediately after application *For more details, please download the PDF or feel free to contact us.

• Paving Materials

At Hikari Kogyo Co., Ltd., we leverage the experience and technology cultivated over many years in road-related businesses to manufacture and sell asphalt mixtures and road-related products at our own plant. Our uniquely developed cold mix asphalt material, created with entirely new ideas, does not contain volatile organic solvents and is an environmentally friendly "new generation of cold mix asphalt material." The new cold mix asphalt materials developed by the Hikari Group, "YK Ascon," "Thin Layer," "PP Ascon," and "YK Pack," are registered in the Ministry of Land, Infrastructure, Transport and Tourism's new technology information system "NETIS," and "YK Ascon" and "Thin Layer" have received Eco Mark certification. 【Product Lineup】 ○ General Paving: "YK Ascon" → Repair material for general asphalt paving ○ Drainage Paving Repair: "PP Ascon" → Repair material for general drainage asphalt paving ○ Pothole Emergency Repair: "YK Pack" → Asphalt repair material specifically for potholes ○ Small-Scale Leveling: "Thin Layer" → Repair material for general asphalt paving ○ Asphalt Spray → Base adhesive material for small-scale asphalt paving repairs For more details, please contact us or download the catalog.

• Earthworks
• Paving of sidewalks, roads, parking lots and stadiums
• Pile and foundation work