Combining fire resistance and airtightness. Elastic sealing material for sealing gaps in gas extinguishing systems.
This is a modified silicone-based elastic sealing material that expands when heated and suppresses flames. It compensates for the weaknesses of non-combustible materials in terms of airtightness and flexibility, making it suitable for use in interior and exterior applications.
This product, known for its high reliability as a "fireproof sealant," has been confirmed to have a "1-hour fire resistance for walls" and a "2-hour fire resistance for floors" through fire tests conducted by the Japan Building Disaster Prevention Association. During a fire, the sealing material expands and hardens due to high temperatures, suppressing flame penetration from joints and the rise in temperature on the backside. Under normal conditions, it possesses flexible rubber elasticity, demonstrating adaptability and water-stopping effects at joint areas in construction. Additionally, this product is a non-formaldehyde material certified as JIA F☆☆☆☆, suitable for building applications, and is a "health-conscious housing product" that does not contain 13 types of VOCs. 【Features】 ■ Performance confirmed under the following conditions in fire resistance tests at the Japan Building Disaster Prevention Association: - 1-hour fire resistance: Joint width 10mm × Joint depth 10mm - 2-hour fire resistance: Joint width 20mm × Joint depth 20mm *For more details, please download the PDF or feel free to contact us.
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basic information
【Other Features】 ■ A one-component, moisture-curing elastic sealant primarily made of modified silicone resin. ■ Excellent displacement followability, contributing to airtightness in gaps, prevention of water ingress, and reduction of gas leakage. ■ Expands upon heating during a fire, forming a ceramic-like layer. ■ Has a weather resistance equivalent to 10 years and has obtained F☆☆☆☆ certification. ■ Suitable for use in conjunction with non-combustible materials such as rock wool, glass wool, and mortar, serving as a supplementary material to enhance airtightness and followability that may be difficult to achieve with non-combustible materials alone. *For more details, please download the PDF or feel free to contact us.
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Applications/Examples of results
【Main Use Cases】 - Improving airtightness in gas fire extinguishing equipment areas such as data centers and server rooms - Sealing at the junctions of ceilings and beams - Sealing gaps around horizontal sleeves - Sealing at the junctions of fire doors and walls - General areas where fire resistance, airtightness, and flexibility are simultaneously required (including areas not certified by the Minister)
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Company information
Sekisui Fuller Co., Ltd. is engaged in the manufacturing and sales of high-performance products centered around adhesives. Products utilizing adhesive technology are used in a wide range of fields, from everyday household items to industrial applications and large-scale construction and civil engineering sectors. In recent years, the demand for these products has become even more diverse. On the other hand, scrutiny regarding environmental impact has intensified, leading to higher standards of compliance required from manufacturers due to revisions in building codes and guidelines from the Ministry of Health, Labour and Welfare. In this market context, Sekisui Fuller has continued its relentless efforts to sustainably develop its business. We constantly capture the latest needs, develop new products through technological innovation, and strive to improve customer service. This has become a significant driving force for the growth of our business. Sekisui Fuller Co., Ltd. will continue to closely engage with users and the community, responding to the expanding market needs with prompt and meticulous service.
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