Liquid Silicone Foam for Global Industrial Sealing & Cushioni

HONG YE SILICONE, the professional manufacturer of RTV2 addition curing silicone rubber, releases upgraded liquid silicone foam, also known as foamed silicone or silicone sponge, to satisfy rising global demand for lightweight sealing and cushioning materials.

This two-part platinum-cured foaming silicone adopts 1:1 mixing ratio for A and B components. It features adjustable foaming ratio from 2 times up to 7 times volume expansion, uniform pore structure, low linear shrinkage and outstanding compression rebound. The eco-friendly material maintains stable soft elasticity within -65℃ to 200℃, delivering reliable heat resistance, cold resistance, electrical insulation and flame retardancy. It has no migration or atrophy after long-term use.

The liquid silicone foam can be processed simply without thickness limitation for finished goods. It is widely used to produce sealing rings, gaskets, foam sheets, automotive interior cushions, silicone insoles, maternity support pads, children pillows and filling materials for robot silicone and human body silicone products.

As a full-line silicone supplier, we provide one-stop silicone material solutions, including mold making silicone, pad printing silicone and electronic potting compound. Every batch undergoes strict quality inspection to guarantee stable performance for mass production. Customization of foaming ratio, density and softness is available for worldwide B2B buyers.

Manufacturers can cut raw material cost and improve finished product consistency by using this liquid foaming silicone. It meets international environmental standards and can be shipped as non-dangerous goods. Our technical team also supplies operation guidance to help customers avoid curing failure caused by inhibitors like sulfur, heavy metals and moisture.