| P440 | General purpoge nesin of modium weight, whose degree of
pobmeriztion of about 1500 and K value of 73-75, with good
manspareney, thermul stability, water resistance and weather ability | Non-foumed and dighly-foumed atifcial kather,
which can he used to spray and dye metal coating
glas fiben, dipping and gneral-purpos psoducts |
| P450 | Paste resin of low molccular weigh, whose degree of polymerization
f abou 1000 and k value of 65, with good foaminess and high-
peed coating abil ity, and content filler can be added | Foamed layer of dlasticfloor, foamed atificial
eather and wall paper |