The composition of sponge mostly polyurethane, like foam as of the same material different manufacturing process will create different things.

PU foam sponge mainly include polyester and polyether type can slice or winding, can also according to the customer request composite processing, hot pressing process and blasting hole processing, etc. PU packing sponge since it has heat preservation, heat insulation, sound-absorbing, shock absorption, flame retardant, antistatic, permeability is good wait for a characteristic, therefore, are involved in all kinds of industries, including auto industry, battery industry, cosmetics industry, chest circumference underwear manufacturing and high-grade furniture manufacturing.