Lub Shrinkage tus nqi ntawm Polyurethane Prepolymer hloov li cas?
Nov 17, 2021
1. Nrog rau qhov txuas ntxiv ntawm lub sijhawm kho, nws hloov pauv hauv cov duab zigzag;
2. Polyurethane prepolymer yuav txo qis nrog qhov nce ntawm ib puag ncig kub; nws yuav hloov pauv nrog qhov nce ntawm ib puag ncig cov av noo.
3. Polyurethane prepolymer yuav nce nrog nce pwm kub. Cov txheej txheem pwm sib txawv muaj qhov sib txawv ntawm qhov sib txawv ntawm qhov shrinkage, nrog qhov me tshaj qhov ntev ntawm qhov kev taw qhia thiab qhov loj tshaj plaws transverse kev taw qhia.
4. Ua ntej ib qho ntev, tus nqi shrinkage nce nrog qhov nce ntawm txoj kev khiav ntev, tab sis tom qab ib qho ntev, tus nqi shrinkage txo nrog qhov nce ntawm qhov ntev txaus.
