polyol is used in the reaction. catalysts and additives used in pir formulations also differ from those used in pur. pir is typically produced as a foam and used as rigid thermal insulation. other thermal insulation products: fiber-glasswool nitrile rubber crosslinked polyethylene foam - xlpe extruded...
from its commitment to quality and its endeavor to bring all processes of production integrated under its ambit. we don't have one single strategy to compete against so many and so diverse rivals; but i would suggest that most of our strategies boil down to what can be best expressed with a single sentence...