SILASTIC 8257 Silicone Foam is a low hardness product, primarily developed as a dispensed ‘foamed-inplace’ gasket material for the automotive and industrial assembly & maintenance industries. When the A and B liquid components are thoroughly mixed in a 1:1 ratio by volume, the product will expand and cure to a foamed elastomer in approximately 10 minutes at room temperature. This foam has a fine cell structure and works as a seal or gasket where long service life, chemical resistance, good weatherability and low compression set are required. The hardness makes the product suitable for applications with low clamping pressure. Furthermore, the inherent properties of a silicone elastomer mean that the product can be used over a broad temperature range. The material expands without employing ozone depleting CFCs or other related blowing agents.
FEATURES & BENEFITS
•Low hardness (Shore 00) • User-friendly, easy to handle 1:1 mix ratio • Fast ambient temperature cure, no need for temporary storage of equipped parts • Does not contain chlorofluorocarbons (CFCs) • Low compression set (post-cured) which is retained at high service temperatures • Stable and flexible over a wide temperature range
APPLICATIONS
• SILASTIC™ 8257 Silicone Foam is designed to be dispensed and cured directly on parts to form an integrated compression gasket • Typical applications include automotive parts, housings for electric devices, exterior lighting, domestic appliance components and tile-printing-rollers.
原厂资料 | 物性表(英文) | |||
产品特性 | 良好粘合性可发泡 |
物理性能 | 值/单位 | 测试标准 | 测试条件 |
---|---|---|---|
密度 | 1 g/cm³ | Internal | |
密度 | 1.06 g/cm³ | Internal | |
密度 | 0.11~0.16 g/cm³ | Internal | cured |
粘度 | 10.5~14.5 Pa-s | Internal | |
粘度 | 19.5~28 Pa-s | Internal | |
机械性能 | 值/单位 | 测试标准 | 测试条件 |
压缩永久形变 | 73 % | Internal | 50% compression, 22 hours at 70°C non-post-cured |
压缩永久形变 | 9 % | Internal | 50% compression, 22 hours at 70°C post-cured |
硬度性能 | 值/单位 | 测试标准 | 测试条件 |
邵氏硬度 OO | 25 OO | Internal | cured |
此物性表中的信息由阿技材料库从该材料的生产商处获得。阿技材料库尽最大努力确保此数据的准确性。 但是阿技材料库对这些数据值不承担任何责任,并强烈建议在最终选择材料前,就数据值与材料供应商进行验证。