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(Expanded Polystyrene) It is a lightweight polymer. It is made of polystyrene resin by adding a blowing agent and softening it by heating at the same time to produce gas and form a foam with a rigid closed-cell structure.

EPP filling is a technology that uses Expanded Polypropylene (EPP) as a filling material, which is widely used in many fields due to its excellent physical and chemical properties. EPP has the characteristics of high efficiency of resilience, durability, environmental protection, anti-pressure and anti-vibration, non-toxic, harmless, non-static, no ringing, feel good, flame retardant, particle uniformity, no odor, and bright colors, etc. It is very suitable for use as children's toys, furniture, sofas, pillows, cushions and other foam particles (foam). Good, flame retardant, uniform particles,

The main component of PE filled pillowcase tube is polyethylene, which is a non-toxic and harmless synthetic material. It has the advantages of softness, good resilience, moisture resistance as well as mold resistance. It can provide comfortable support to absorb pressure effectively and bring good support and comfortable feeling during sleep.

Polyphenylene Ether (PPE) ResinIn order to adjust the softness and elasticity of pillow inserts, the following ingredients are usually added: 1. polyurethane foam granules: these granules have good elasticity and cushioning properties that adjust to the pressure on the head and provide comfortable support. They are also highly breathable and help keep the head dry.2. air microbeads: lightweight and with good resilience, they provide soft support for the head and also help to improve the breathability of the pillow insert.

TPE (thermoplastic elastomer) is a material with the high elasticity, high strength and high resilience of rubber, but also has the characteristics of injection molding. TPE is an environmentally friendly material that does not contain harmful substances and will not cause any harm to human health or the environment during production and use. In addition, TPE can be recycled and reused, which is in line with the requirements of sustainable development.