三井物産プラスチック Product Lineup

We would like to introduce the use of "silicone release agents" from Dow and Toray, which boast the top market share in release agents worldwide, and achieve both environmental compliance and cost reduction with their solvent-free, low platinum formulations. ＼Do you have any of these concerns?／ 【1】I want to promote solvent-free processes and reduce environmental impact! 【2】I want to improve production efficiency! 【3】But, costs are high... These concerns can be resolved with "Dow and Toray's silicone release agents"! It is common for "release agents" to use "platinum catalysts" for curing. However, there are types that can cure at low temperatures, significantly reducing the amount of expensive platinum needed, which is the "silicone release agent." Not only does it lead to significant cost reductions, but it also contributes to the efficiency of work processes and the reduction of environmental impact! You can download the materials from our website via the link below, or feel free to contact us.

The trend of "de-solventization" centered in Europe is an unavoidable challenge for future exports and business continuity. Furthermore, concerns about the cost and stable supply of platinum catalysts and silicone materials are growing due to soaring raw material prices and geopolitical risks. ＼Do you have any of these concerns?／ 【1】Balancing environmental compliance and costs 【2】Anxiety about procurement risks 【3】Concerns about future environmental regulations 【4】Concerns about working environment and safety These issues can be resolved with "Dow-Toray's silicone release agents"! We offer silicone release agents that meet industry needs such as de-solventization, cost optimization, and BCP measures, allowing for precise selection based on desired properties like slip and non-migration. Additionally, Dow-Toray's unique LTC (Low-Temperature Curing) series can also be used as a low platinum formulation! Please download the materials from our website via the link below or feel free to contact us.

This is a technical document supporting the selection of release agents, specifically the Dow-Toray silicone release agent product guide. ＼Recommended for the following individuals／ 【1】Balancing environmental considerations and costs 【2】Concerns about procurement risks 【3】Concerns about future environmental regulations 【4】Concerns about working environment and safety These issues can be resolved with "Dow-Toray silicone release agents"! Next-generation release agents evolving from three perspectives: environmental compliance, cost reduction, and stable supply. It is possible to reduce the amount of platinum catalyst by up to half while maintaining good curing properties. This document proposes new standards for the selection of release agents based on the latest technology and actual measurement data provided by Dow-Toray. You can download the document from our website via the link below or feel free to contact us.

In the year 2021, the Ministry of Land, Infrastructure, Transport and Tourism formulated the "Infrastructure Longevity Plan (Action Plan)." This plan recommends the use of new materials in civil engineering renovation work for existing infrastructure facilities to achieve longevity and aims to foster sustainable local communities. ＼Do you have any of these concerns?／ 【1】I want to achieve longevity, but I can't afford the time or cost. 【2】Are there sealing materials that can be easily repaired? 【3】I want to consider "new materials" for the civil infrastructure longevity plan. Leave these concerns to Dow and Toray's silicone sealing materials! Dow and Toray's silicone sealing materials have been proven in xenon weather resistance tests lasting 10,000 hours. Their performance hardly changes even when exposed to long hours of UV rays and rain, and they can maintain their physical properties in temperature ranges from -40°C to 150°C, which minimizes material degradation due to external environments. Additionally, their lifespan far exceeds that of organic materials by more than five times, boasting an overwhelming market share in the construction industry. You can download materials from our website via the link below or feel free to contact us.

As the country as a whole works towards extending the lifespan of infrastructure, the selection of new materials is also becoming more active. In this context, silicone sealing materials, which are said to have a lifespan more than five times that of the commonly used organic sealing materials in the civil engineering industry, are gaining attention. ＼Do you have any of these concerns?／ 【1】I want to achieve long lifespan, but I can't afford the time or cost. 【2】Are there sealing materials that can be easily repaired? 【3】I want to consider "new materials" for the civil infrastructure longevity plan. Leave these concerns to Dow and Toray's silicone sealing materials! Currently, the civil engineering sealing materials used in agricultural waterways, dams, bridges, etc., are mostly polyurethane-based or modified silicone-based organic materials. This means that compared to the structures that are said to last 40 years, the durability of sealing materials is only about 5 to 10 years. The solution to this issue is Dow and Toray's silicone sealing materials, which are said to have a durability of 50 to 60 years and excel in durability, weather resistance, flexibility, and temperature adaptability! You can download materials from our website via the link below or feel free to contact us.

As sustainable infrastructure maintenance systems gain attention, it is said that structures like highways and bridges last for 40 years, but the durability of sealing materials, which are standard in the civil engineering industry, is only about 5 to 10 years. In other words, there are concerns about the insufficient lifespan of the sealing materials used to fill gaps, rather than the structures themselves. ＼Do you have any of these concerns?／ 【1】I want to achieve long lifespan, but I can't afford the time or cost. 【2】Are there sealing materials that can be easily repaired? 【3】I want to consider "new materials" for civil infrastructure longevity plans. You can rely on Dow and Toray's silicone sealing materials for these concerns! They are characterized by high durability and weather resistance, with a lifespan equivalent to 50 to 60 years. They are recognized in the construction industry as maintenance-free sealing materials, and there are numerous achievements within Japan. Additionally, a comparison of the aging of modified silicone materials and silicone materials was conducted through a 10,000-hour xenon weather resistance test. It was confirmed that the silicone material showed no signs of cracking and maintained its initial flexibility. This flexibility and adaptability are also one of its major features. You can download the materials from our website via the link below or feel free to contact us.

Previously used polyurethane sealant as a filler for the joints of drainage channels and agricultural water channels. Upon inspection due to a request to repair a leaking channel, it was found that the material had warped and shrunk due to weak weather resistance. ＼Do you have any of these concerns?／ 【1】Want to reduce rework due to cracks and shrinkage after repairs 【2】Looking for materials that can accommodate differential settlement and joint movement 【3】Struggling with delayed curing of sealants in cold weather construction Leave these concerns to Dow and Toray's silicone sealants! Dow and Toray's silicone sealants show no signs of degradation even after 8 years in the field, demonstrating strong weather resistance. Additionally, while delayed curing of sealants can be an issue in cold regions, silicone sealants cure regardless of high or low temperatures, which is a significant advantage that minimizes impact on construction timelines. You can download materials from our website via the link below or feel free to contact us.

Silicone sealants are quick to cure, which can lead to the formation of a skin on the surface, and some may find them difficult to use unless two people—one applying and one smoothing—work quickly together. ＼Do you have any of these concerns?／ 【1】Want to reduce rework due to cracks or shrinkage after repairs? 【2】Looking for materials that can accommodate differential settlement and joint movement? 【3】Struggling with delayed curing of sealants in cold weather applications? Leave these concerns to Dow and Toray's silicone sealants! Dow and Toray's silicone sealants cure quickly but can be smoothed again for ease of use. Additionally, the elasticity after curing has been proven through product testing to be strong. You can download materials from our website via the link below, or feel free to contact us.

The "Highway Tech Fair 2025" was held at Tokyo Big Sight. Mitsui & Co. Plastics Ltd. and Dow-Toray Co., Ltd. showcased silicone sealing materials for the repair of civil engineering and infrastructure such as highways. Many attendees were present to address on-site challenges such as "repair, longevity, labor-saving, and decarbonization." ＼Do you have any of these concerns?／ 【1】Considering measures for deterioration and water leakage of expansion joints on highways 【2】Wanting to extend the repair cycle and reduce maintenance burdens 【3】Looking for repair materials that can achieve longevity You can rely on Dow-Toray's silicone sealing materials for these concerns! For the repair of expansion joints on highways, you can repair the deteriorated parts with silicone sealing materials while leaving the expansion joint itself intact. One of the attractions is that it allows for longer-lasting repairs compared to replacing the entire structure. Additionally, conventional organic materials show noticeable cracking and deterioration in about five years. In contrast, silicone sealing materials significantly extend the repair cycle, which is a major feature. You can download materials from our website via the link below or feel free to contact us.

While the recognition of silicone sealing materials is spreading, environmental responses such as "decarbonization" have become major themes. ＼Do you have any of these concerns?／ 【1】Considering measures for the deterioration and water leakage of expansion joints on highways 【2】Wanting to extend repair cycles and reduce maintenance burdens 【3】Looking for repair materials that also consider environmental factors Leave these concerns to Dow and Toray's silicone sealing materials! Producing 1 kg of silicone generates 7 to 10 kg of CO₂, but Dow and Toray's silicone sealing materials have improved their manufacturing process to halve emissions, with the remainder being offset through their own forest conservation activities. Not only do they contribute to "long lifespan and reduced waste," but they also help in carbon reduction and decarbonization during the manufacturing stage. We propose repair solutions that support solving challenges in infrastructure maintenance! You can download materials from our website via the link below or feel free to contact us.

Currently, the country is engaged in efforts to extend the lifespan of infrastructure and create a sustainable infrastructure maintenance system. It is said that structures such as highways and bridges last for about 40 years, but the durability of sealing materials, which are standard in the civil engineering industry, is only about 5 to 10 years. In other words, the concern is more about the insufficient lifespan of the sealing materials used to fill gaps rather than the structures themselves. ＼Do you have any of these concerns?／ 【1】Repeated repairs or replacements due to the deterioration of sealing materials 【2】Want to use materials that can maintain flexibility and adaptability for a long time 【3】Looking for sealing materials for working joints and expansion devices You can rely on Dow and Toray's silicone sealing materials for these concerns! They are characterized by high durability and weather resistance, with a lifespan equivalent to 50 to 60 years. They are recognized in the construction industry as maintenance-free sealing materials, and there are many proven results in Japan. ↓You can find an article about silicone sealing materials that help reduce lifecycle costs at this link.

Currently, the country is engaged in efforts to extend the lifespan of infrastructure and create a sustainable infrastructure maintenance system. It is said that structures such as highways and bridges last for about 40 years, but the durability of sealing materials, which are standard in the civil engineering industry, is only about 5 to 10 years. In other words, the concern is more about the insufficient lifespan of the sealing materials used to fill gaps rather than the structures themselves. ＼Do you have any of these concerns?／ 【1】Repeated repairs or updates due to the deterioration of sealing materials 【2】Want to use materials that can maintain flexibility and adaptability for a long time 【3】Looking for sealing materials for working joints and expansion devices Leave these concerns to Dow and Toray's silicone sealing materials! In fact, a comparison of the aging deterioration of modified silicone and silicone materials was conducted through a 10,000-hour xenon weather resistance test. While modified silicone showed hardening and cracking due to aging, resulting in leaks and damage, the silicone material showed no signs of cracking and maintained its initial flexibility. This flexibility and adaptability are significant features of the sealing materials. ↓You can view the article on silicone sealing materials from this link.

Silicone sealants are high-performance but also expensive. Many civil engineering professionals have this impression, and it has been a factor hindering their widespread use due to the impact on initial construction costs of projects. ＼Do you have these concerns?／ 【1】Repeated repairs or updates due to deterioration of sealants 【2】Want to use materials that can maintain flexibility and adaptability for a long time 【3】Want to advance material selection considering life cycle costs You can leave these concerns to Dow and Toray's silicone sealants! With the aging of infrastructure, it is essential to prioritize longevity and consider the total cost over 40 years from the budgeting stage. While the initial cost of silicone materials may be high, it means that the renovation work that used to be done every 5 to 10 years will decrease, resulting in a reduction in the total life cycle cost over 40 years. In fact, there are increasing cases where silicone is adopted for such reasons. ↓You can find articles on silicone sealants that achieve life cycle cost reduction at this link.