Indicators on ใยหิน You Should Know
The Liquor conclude connects with another isocyanate team or terminal, whilst the isocyanate end carries on to react with more polyols or cross-linking brokers and chain extenders, resulting in the development of prolonged polyurethane chains.ใยหินกลุ่มแอมฟิโบล เส้นใยจะเป็นเส้นใ