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????????????????????????,??????,????(?)??????????????,?????????????,??????,????????????Mg x (H 2 O){Mg 3~x ?AlSiO 3 O 10 ?(OH) 2 }???????????????????,??????????????????????????
??????????????????????????,?800~1000????0.5~1.0??,???????8~15?,???30????????50-200kg/m3,??????????,?????????????
Vermiculite
Lingshou yixin minerals Ltd.
vermiculite, coleredsand
