strewth

1.The influence of adding the HS powder and PVA sol together or respectivly on the original and retained strewth, bench life and moisture resistance of the CO_2 sodium silicate sand was studied.

HS粉与PVA单独复合使用后对水玻璃砂初始强度、残留强度,可使用时间以抗吸湿性的影响。