国产精品热久久高潮av袁孑怡-欧美福利专区-999久久久免费精品国产-欧美网站免费观看在线-日本在线一区二区-国产又大又硬又爽免费视频试-中文无码日韩欧-国产精品12-青青视频免费观看免费-日日躁夜夜躁xxxxaaaa-成人在线视频一区-少妇一晚三次一区二区三区-av免费观看不卡-韩国精品福利一区二区三区-成熟丰满少妇激情xxxx

        HY-738Y is a kind of highly purified, remodeled and organically modified bentonite of which the raw material is natural calcium bentonite. It is mainly used in low and medium polar solvents, such as paints, inks and other products. It has the following features:

(1) Easy to disperse: under the effect of appropriate amount of polar activator, HY-738Y has fast speed of dispersion and gelation, and small dispersing fineness.

(2) Anti-sediment: HY-738Y has the property of anti-sediment in the system.