Preventing Cracking in PU Leather: Techniques and Solutions
What is PU? Polyurethane (PU) is a polymer material whose molecules contain repeating units of ether or ester bonds. PU has a wide range of excellent properties, including abrasion resistance, oil resistance, solvent resistance, and good elasticity, so it is widely used in many fields, such as synthetic leather, coatings, adhesives, sealants, and foams. Classification […]