“high sieve-pass-rate PVA”

Comparison of particle sieving rates between Sinopec SVW PVA and Ningxia PVA

Industrial laboratory evaluations and sieve analysis indicate that Chuanwei (Sinopec Chuanwei Chemical) PVA granules generally exhibit a higher sieve pass rate and tighter particle size uniformity compared to Ningxia Energy Chemical (Sinopec Ningxia) PVA. Chuanwei’s refined milling and mech...