color:silver gold expandedSize:1-3mm 4-7mmHardness:1.5-2.8proportion:2.4-2.7Usage:heat resistant and thermal insulation
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JIAQI MINERAL PROCESSING FACTORYVIP会员第12年
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color:silver gold expandedSize:1-3mm 4-7mmHardness:1.5-2.8proportion:2.4-2.7Usage:heat resistant and thermal insulation
