A New Decorative Material- interior decoration 1.Easy to instal 2.Light 3.safety 4.indehiscent ERC Material ... don't fall off, not cracked, high durability,light weight ,good hardness, elastic and good toughness, ... , cost is high. ERC material is very light, the weight only has about 5% of ... polymer material, harmless to the environment. In the new century ,the key words are : environmental protection, ...