D/DE izikhiye zepholiyotheeni yepolyurethane
Izinto ezibalulekile
1、Ukubanjiwe kakhulu, ukuhlawulwa kancane, ukubanjiwa kwezinyanga eziningi;
2、Ubunzima 0.4～0.7g/c m³ okuzivikelene, ubukhulu bokuphuma kwesikhathi esiself-skinning 4～6mm;
3, isimo sokwenziwa sikhululekile, sisebenzisa ukubambisana + ukufakwa kwezinkambu zokufaka okuqinileyo.