珍珠岩助滤剂是由精选小粒径矿砂经净化煤气加热，在垂直立窑内选择性膨胀，膨胀经研磨净化获得的一定粒度搭配的粉末状化学产。
我公司的珍珠岩助滤剂是一种由惰性非晶玻璃粒子组成的白色固体粉末。
The perlite filter aid produced by our firm is a kind of white particles composed of inert amorphous glass particles.
本文讨论了制造助滤剂的科学基础，测定了珍珠岩助滤剂的化学性质和物理结构。
In this paper, the scientific bases for preparation of filter-aid have been discussed and the chemical properties and physical structure of perlite filter-aid have been analysed.
过滤动力学试验及工业啤酒过滤试验表明，开发成功的珍珠岩助滤剂是良好的啤酒助滤剂。
The filtering kinetics and industrial filtration tests of beer have indicated that the perlite filter-aid made by us is a nice filter-aid for the filtration of beer.
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