This series of products not only has excellent low smoke halogen-free flame retardant properties, and extrusion processing performance is excellent. Can be squeezed out in ordinary PVC extrusion molding machine, as long as the cooling device is normal. If using low compression ratio screw (halogen-free material for special screw) processing, extrusion speed can be accelerated. The product is suitable for flame-retardant requirements, the second danger of small occasions, such as: subway, ships, power stations and other densely populated public places. Suitable for wire core operating temperature 90 ℃ LSZH flame retardant cable insulation.