Extreme temperature resistance

Stable at 315℃ (600℉)for a long time
The temperature resistance of ordinary silicone foam sealing parts is usually between 200 and 250℃, while China High Temperature Silicone Gasket significantly raises this upper limit to 315℃ and can maintain structural integrity and functional stability at this temperature.
24-hour long-lasting protection
This is not an instantaneous peak but a long-term guarantee that lasts for more than 24 hours. This means that in the links that require long-term high-temperature operation, it can provide unprecedented reliability and greatly reduce the risk of downtime caused by the failure of sealing materials.


Obtained the SGS certification certificate
As a professional high temperature silicone gasket supplier,We have sent the product to SGS for test and obtained the certificate,to let you purchase with confidence.
Contact us to request an SGS certificate

excellent seal performance
High Temperature Silicone Gasket in Sanpu Silicone have outstanding resistance to permanent compression deformation. The product has passed rigorous environmental simulation tests. Even under extreme temperature differences and various chemical media, it can still achieve long-term and stable sealing effects, effectively preventing leakage
sanpu silicone manufacturer
Pursue excellence and be realistic
stronge Strength
Sanpu Silicone's registered capital and paid-in capital both reach 10 million yuan, and it covers an area of over 50,000 square meters. With solid capital and scale strength, it lays a solid foundation for sustainable development.
Strong production capacity
Sanpu Silicone has an independent factory covering an area of 8,000 square meters and is equipped with over 40 advanced production facilities, including more than 10 flat vulcanizing machines with independent intellectual property rights. It has established an efficient and stable production line, with an annual output value of 8 million square meters


Technology leadership
The R&D technical team is highly competent, equipped with a physics laboratory and a chemistry laboratory, and has three core senior engineers with an average silicon age of over 20 years.
custom service
Adhering to the principle of putting customers first, our company's products are exported to the United States, Japan, South Korea and many European countries. With stable quality and professional service, we have won wide recognition from customers at home and abroad
silicone sponge parameters
| Products name | 315℃ High Temper Sealant Foam | Density(g/cm*3) | 0.5-1(31--62.43lb/ft³) |
| Thickness(mm) | 2-13 (0.08--0.5 in) | Hardness(Shore C) | 45-95 |
| Width(m) | <1.2m (47.24in) | Color | Accept customization |
| Length(m) | Any length | Cell structure | closed cell |
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