The common specification:
1. The thickness of carpet underlay: 7mm-15mm
2. The density of carpet underlay: 4lb-8lb (64kgs/M3 --128kgs/M3 )
3. The color of carpet underlay: Many colors available
4. The back of carpet underlayment:
A. Fabric
B. Non woven fabric
C. PVC film
D. PE and Nylon net
E. Aluminum film
F. Paper
5. The raw material of carpet underlay: Non-polluted recyle sponge
6. The size of floor underlay: According to the customer's requirement.
Sponge Pad