... cell structure, low thermal conductivity, excellent anti-water/ vapor property. It is fire resistant. Detailed Product Description: Rubber Foam ... Sheet Bellsafe-flex adopting NBR/PVC as the main raw material, is an environmental product.It has closed cell structure ... to sports equipment accesory,medicine ,tobacco field ,etc. Specification: Main material : NBR/PVC Width: 1m, 1.2m Length: 10m, 20m ...