How many specifications of sponge are there?
There are 16 sizes of sponges. Ordinary sponge: sponge with a density of 15-50. High-quality sponge:...
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There are 16 sizes of sponges. Ordinary sponge: sponge with a density of 15-50. High-quality sponge:...
Environmentally friendly sponge is made of many chemical substances polymerized. Its main chemical c...
BS-Polyurethane sponge filler Polyurethane bio-sponge filler is made by double blasting of oxygen an...
Filter sponge is a high-tech material. It is designed for astronauts to help relieve the stress astr...
1. Material difference: The raw material of latex is natural oak sap, which is formed by foaming to ...
Memory foam refers to a polyether polyurethane foam sponge with slow rebound mechanical properties, ...