1. This product is specialized in waterproof materials, packing, building damp proofing.
2. This product is processed by making the paper base soaked in low-softening petroleum asphalt, then covered with high softening petroleum asphalt, and last coated with isolating mate rias such as talk powder.
It is widely applied to the simple waterproofing, temporary-building waterproofing, building dampproofing, packing; as well as the single, multi-layers waterproofing of building roofs, underground facilities, water conservancy projects, etc.