免费看男女做爰爽爽网站-免费看欧美一级特黄a大片-免费看欧美一级特黄a大片一-免费看片91视频-免费看日B-免费看日B视频

BTA has good corrosion inhibition on copper, copper alloy, silver and silver alloy, and is mainly used as volatile corrosion inhibitor for copper and copper alloy, circulating water treatment agent, anti-rust oil, automobile antifreeze, photographic antifoggant, polymer stabilizer, plant growth regulators, lubricant additives etc. 

BTA can also be used as chrome-fog depressant in chromium plating industry to prevent the harm of chromium fog and increase the surface radiance of the plating piece.

As a good ultraviolet absorbent with the absorbing wavelengths of 290-390nm, BTA can be used as additives for outdoor coatings to prevent the coatings from fading due to the UV radiation.

Avoid contact with eye and skin. In case of contact, flush with water immediately.

BTA: 25kg net in compound plastic woven bag. 

Storage for six months in shady, dry and cool place.