防尘

Coating film waterproof, oil-proof, dustproof and lightproof, candy be not intenerated, slimy or changed shape.

包上膜衣，可防水、防油、防尘、遮光，糖果不受潮、不粘连、不变形。

The new muffler device has simple structure,it has lesser effect on the resistance loss of chief ventil...

该声装置结构简单,对阻力损失影响小,防尘、防潮及降噪效果明显,可广泛应用于煤矿声降噪。

AQUASOL is used as a hard wearing, protective coating for all building surfaces including concrete, brick, masonry, dry lining, asphalt and asbestos.

高雅素是一种耐磨、防水、防尘水基环氧树脂保护膜。可用于各种砖、混凝土、水泥、石制建筑及石棉表面。

A novel dust proofing agent for dyestuff was prepared by the addition of industrial fatty acid and glycol epoxide, which could produce a kind of emulsor.

采用工业脂肪酸和环氧乙烷加成法研制成乳化剂,进而获得一种新型染料防尘剂。