PU injection molding process?

This material is mainly temperature. I used it six or seven years ago. Material temperature 160 ~ 185, which can be debugged in multi-stage slow mode. The injection time is too long, about 10 ". This mainly depends on the size and weight of the product. The multi-stage injection speed can be properly adjusted, the time can be appropriately increased, and the molding cycle is slow. Please forgive me if there is anything wrong.

Polyurethane elastomer Polyurethane elastomer has soft and hard segments, so it can be endowed with excellent properties such as high strength, good toughness, wear resistance and oil resistance through the design of molecular chain. The polyurethane known as "wear rubber" has both the high elasticity of rubber and the rigidity of plastic. ?

Polyurethane foam:

Polyurethane foam is divided into rigid foam and flexible foam, which has excellent elasticity, elongation, compressive strength and softness, as well as good chemical stability. In addition, polyurethane foam has excellent processability, adhesion, heat insulation and other properties, and belongs to excellent cushioning materials.

The production of polyurethane materials has spread all over North America. It is reported that the overall average annual growth rate of polyurethane foam market in North America is expected to reach about 6%. It is estimated that by 2020, the growth areas will mainly focus on the residential and industrial spray polyurethane foam market, as well as military applications. In addition, polyurethane will also be used in the medical industry to treat wounds in time and effectively.