五月开心激情网,国产在线精品一区不卡,国产精品一在线免费观看,国产一区精品无码,无码国产真人正片在线观看,国产成人亚洲日韩欧美久久

New product

Alkali resistant defoamer AS-7521

 

Scope of application:

It can be used for papermaking, textile pretreatment, textile dyeing, textile sizing, industrial cleaning and other fields

Features:

Weak anionic type

Advantages:

It does not contain NP and APEO, and has excellent defoaming and defoaming performance under medium high temperature (60~90℃) and strong alkali (pH =10~14) environment