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 countless independent bubbles formed by physical foaming of low-density polyethylene. It overcomes the shortcomings of ordinary foam rubber, such as fragility, deformation, and poor resilience. It boasts many advantages, including water and moisture resistance, shock absorption, sound insulation, thermal insulation, excellent plasticity, high tensile strength, recyclability, environmental friendliness, and strong impact resistance. It also has excellent chemical resistance and is an ideal substitute for traditional packaging materials.

Broadly used in packaging for car seat pads, cushions, electronic appliances, instruments, computers, audio equipment, industrial control cabinets, hardware lighting, crafts, glass, ceramics, home appliances, coatings, furniture, leather goods, high-end fragile gift packaging such as wine and resins, hardware products, toys, fruits and vegetables, shoe packaging, and daily necessities, as well as express delivery packaging. Adding colored antistatic agent and flame retardant enhances its superior performance.