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...

该消声装置结构简单,对主要通机的阻力损失影响小,防尘、防潮及降效果明显,可广泛的煤矿主要通机的消声降。

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

素是一种耐磨、防水、防尘的水基环氧树脂保护膜。可各种砖、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。