This is a seismic control system for wooden houses developed using the rubber compounding technology of Sumitomo Riko, which boasts the world's No. 1 market share in automotive vibration-damping rubber.
【Mechanism of TRC Dampers】 Earthquake countermeasures mainly consist of three types: "seismic resistance," "base isolation," and "damping." "Damping" refers to the installation of damping devices within a building to absorb earthquake energy and reduce shaking. It provides stronger protection than "seismic resistance" and is more convenient than "base isolation." That is what "damping" offers. ○ Achieved a wall strength ratio of 1.3 at the time of new construction! It can be counted towards the wall quantity as a load-bearing wall! (Certification number: FRM-0372) *Certified product: TRC-30A ○ During renovations, it is also possible to count towards seismic evaluation points and obtain subsidies!* (Certification number: DPA Housing Technology-28-2) *The conditions for obtaining subsidies vary by local government. Please contact your local government for details. *Certified product: TRC-30A ○ Approved as a "quasi-fire-resistant structure" as defined by the Japan Housing Finance Agency! This can also lead to discounts on fire insurance.* (Certification numbers: 548-1, 558-2) *Since there are specifications for materials other than TRC dampers, fire insurance is not applicable solely based on the TRC damper. *Certified products: TRC-30A, TRC-2×4 *Developed and manufactured by Sumitomo Riko Co., Ltd. (formerly known as Tokai Rubber Industries, Ltd.)
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**Features of TRC Dampers** **Feature 1: High Damping Effect** Results from full-scale experiments show that both under seismic intensity equivalent to a strong 6 and repeated earthquakes, horizontal displacement was reduced by up to half. Additionally, in repeated earthquakes, the number of nail pullouts was about 1/10th that of earthquake-resistant houses. This demonstrates strong resistance to "repeated earthquakes." **Feature 2: Easy Installation** Can be installed with simple work similar to that of braces. No special tools are required, and installation is completed in about 30 minutes per location. **Feature 3: Free Damping Simulation** TRC Dampers conduct verification of damping effects for each building. We support the "peace of mind" and "safety" of contractors and homeowners. Damping simulations are free. Please consult us when considering implementation. **Feature 4: Public Certification Obtained (Applicable for both New Construction and Renovation)** Counted towards wall volume during new construction and eligible for subsidies during renovations. TRC Dampers are one of the few products that have obtained public certification for both new construction and renovation. **Feature 5: Sumitomo Riko Brand** Celebrating 90 years since its founding in 2019. With years of trust and achievements, Sumitomo Riko's products have gained No. 1 market share in various fields. *For inquiries about this product:* Ozeki Chemical Sales Department TEL: 03-3297-3211
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Applications/Examples of results
Suppression of collapse and deformation of wooden houses and buildings due to earthquakes.
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Founded in 1903, Ozeki Co., Ltd. continues to deliver products that meet the needs of the times as a specialized trading company for chemicals and electronic components for the next 100 years. The Chemical Products Sales Department provides various color materials such as inorganic pigments, organic pigments, dyes, and processed pigments that match the diverse color plans and needs from manufacturers in various fields including paints, inks, building materials, and plastics. We are capable of dispersion processing and grinding using equipment such as Henschel mixers and atomizer grinders at our contract processing facilities. Additionally, we handle functional materials such as UV absorbers and various additives, as well as construction-related materials. The Electronic Components Sales Department has developed suppliers not only in Japan but also in China for many years. We now specialize in magnetic materials, coils, and transformers, offering a complete lineup from small to large products, with many items available exclusively through Ozeki in Japan. We provide better products at lower prices, ensuring high cost performance. Since 2013, we have started handling metal cutting processed parts and supply components to major domestic companies. 【Locations】 ■ Domestic Offices: Tokyo Headquarters, Osaka Branch ■ Overseas Subsidiary: Ozeki (Hong Kong) Limited