What is PU sole and what is its use?

Polyurethane (PU) began to be used as soles and other materials in 1970s.

The main advantages of polyurethane are hardness, flexibility, durability and elasticity in a large density range.

PU, also known as polyurethane, originated in Germany during World War II. PU is an environmentally friendly material, which is easy to hydrolyze, but its physical properties are very good in normal dry environment. First of all, it is light in weight, easy to foam, can be sprayed with various colors, is wear-resistant and folding-resistant, and is more suitable for making sandal soles, beach soles, leisure soles and camera bags.

Extended data:

Daily application

Furniture industry application

1. Paint, 2. Paint, 3. Adhesive, 4. Sofa, 5. Mattress, 6. Seat armrest.

Application of household appliances

1. Electrical insulating coating 2. Wire and cable sheath 3. Insulation layer of refrigerator, freezer, disinfection cabinet, water heater, etc. 4. Waterproof potting compound for electronic components of washing machine.

Construction industry application

1. sealant, 2. Adhesive, 3. Roofing waterproof insulation layer, 4. Cold storage insulation, 5. Interior and exterior wall coatings, 6. Floor paint, 7. Synthetic wood, 8. Runway nine. Waterproof plugging agent, 10 plastic floor.

Traffic industry application

1. Aircraft and automobile interior seats, handrails, headrests, door inner panels, instrument panels, steering wheels, bumpers, shock absorbers and fenders 2. Carpet lining, paint 3. Insulation component, pipe 4. Sealing washer 5. Snow chains.

Application of shoemaking and leather industry

1. insole and outsole 2. Adhesive 3. Leather finishing agent 4. Artificial leather and synthetic leather coatings.

Sports industry application

Plastic sports ground (including basketball, volleyball, badminton, tennis court and runway laying), sportswear (dance clothes, swimsuits and dance clothes); Sports shoes and scooters

References:

Baidu Encyclopedia-Pu