Polyethylene foam cotton, also known as EPE pearl cotton, is a non-crosslinked closed-cell structure and a new type of environmentally friendly packaging material. It is composed of numerous independent bubbles formed by physical foaming of low-density polyethylene resin. It overcomes the drawbacks of common foam rubber, such as fragility, deformation, and poor recovery. It features waterproof and moisture-proof, shockproof, sound-insulating, thermal insulation, excellent plasticity, high tensile strength, recyclability, environmental friendliness, and strong impact resistance. It also boasts good chemical resistance. It is an ideal substitute for traditional packaging materials.

Broadly applied in packaging for car seat pads, cushion pillows, electronic appliances, instruments, computers, audio equipment, industrial control cabinets, hardware lighting, crafts, glass, ceramics, home appliances, spray painting, furniture and household goods, high-end fragile gift packaging such as alcohol and resins, hardware products, toys, fruits and vegetables, leather shoes' inner packaging, daily necessities, and express delivery packaging. Adding colored antistatic agents and flame retardants enhances its superior performance.