Advantages: good physical properties, bending resistance, good flexibility, high tensile strength and good air permeability. Very light, fireproof, waterproof, moth-proof, mildew-proof and crack-proof. Suitable for indoor and outdoor decoration materials, it is a new type of green decoration material. With high air permeability, pu material has an air permeability of 8000- 14000g/24h/cm2, high peel strength and high water pressure resistance, and is an ideal material for the top and bottom layers of waterproof and breathable clothing fabrics.

Disadvantages: the price is high, and the price of some special PU fabrics is 2-3 times higher than that of PVC fabrics. Generally, the patterned paper needed by PU fabrics can only be discarded after 4-5 times.

The use of pu materials

1, furniture industry application: paint, coating, adhesive, sofa, mattress, seat armrest.

2. Application of household appliances: electrical insulation paint, wire and cable sheaths, insulation layers of refrigerators, disinfection cabinets, water heaters, etc., and waterproof potting glue for electronic devices of washing machines.

3. Building applications: sealant, adhesive, roof waterproof insulation layer, cold storage insulation layer, internal and external wall coating, floor paint, synthetic wood, runway, waterproof plugging agent, plastic floor.

4. Transportation industry applications: aircraft, automobile interior seats, handrails, headrests, door inner panels, instrument panels, steering wheels, bumpers, shock absorbers, fenders, carpet gaskets, paints, heat insulation parts, pipes, sealing washers and snow chains.

5. Shoemaking and tanning applications: inner and outer soles of shoes, adhesives, leather finishing agents, artificial leather and synthetic leather coatings.

6. Sports industry applications: plastic sports venues (including basketball, volleyball, badminton, tennis venues and track laying), sports shoes and scooters.