... 1. thick 1-10mm,width 300mm- 500mm, length 1- 2meters, foam density controllable. 2. Hardness:20-50 Shore C 1.Product ... Description; We specialize in producing all kinds of silicone foam seal whose density can be made from 0.35 to ... and agriculture area. They are glossy surface, nice elasticity, uniform foam, aging, fire-retardant, noise isolation, moistureproof, internal damping, anti-stress, ...