EPE pearl cotton, whose chemical name is polyethylene foam cotton, is a new type of environmental protection packaging material with non-crosslinked closed-cell structure. It consists of countless independent bubbles produced by physical foaming of low density polyethylene. EPE pearl cotton is also widely used in elastic lining of handbags and bags, sound insulation materials produced in industry, floating equipment for aquaculture, protective pads for sporting goods, lifesaving equipment for aquatic engineering, floor decoration and padding for families and hotels, etc. Its pipes are widely used in air conditioning, baby carriages, children's toys, furniture and other industries. Basic characteristics: 30-40 times high foaming product, light weight, good firmness, flexibility and cushioning, low thermal conductivity, excellent thermal insulation performance, foam material with independent bubbles, waterproof material with little water absorption, high foaming and excellent waterproof performance, which makes it have strong buoyancy and is not affected by various drugs and corrosion-resistant materials. The foam material with independent bubbles with excellent weather resistance has excellent sound insulation and vibration prevention effects, and the foam material with fine bubbles has excellent processability, such as cutting, bonding, extrusion, vacuum forming and compression forming, and its appearance is smooth, colorable and beautiful. Flame retardant products produced by processing can be used for antistatic. Physical properties: unit data density of the project is G/cm3 0.03, cell structure-tensile strength of uncrosslinked seal KG/ CM2 3.40, tear strength KG/CM2 2.60% elongation125, water absorption MG/CM2 0.0 1 shrinkage (70-C% 0.75, thermal conductivity kcal/m.h.c02).