金剛砂是由礬土、無煙煤、鐵屑經(jīng)過高溫電熔燒結(jié)而成,它熔點(diǎn)高,比重大,耐酸耐磨度強(qiáng),截污能力強(qiáng)是污水處理的又一種新型濾料,也是做地坪材料和切割片的優(yōu)質(zhì)產(chǎn)品。
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