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国家建材局石材质量监测中心根据国家技术监监督[1994]技监监计统函字第101文和国家建材局[1994]监通文于1994年5月至10月对全国22个省、市、自治区338个花岗石产品企业进行了全国统一检查。 此次花岗石产品全国统检,依据JC205—92《天然花岗石建筑板材》行业标准的技术要求;长度、宽度、厚度、角度、平度、光泽度、外观质量、吸水率、体积密度、弯曲强度、压缩强度进行检验和试验、产品综合判定合格率为
The Stone Building Quality Monitoring Center of the National Building Material Bureau is in accordance with the State Technical Supervision [1994] and the technical supervision of the supervisory system letter No. 101 and the State Building Materials Bureau [1994] Jian Tong Wen from May to October 1994 to 22 provinces and cities across the country , 338 granite products enterprises of the autonomous region conducted a unified national inspection. The nationwide inspection of granite products is based on the technical requirements of JC205-92 “Natural Granite Building Board” industry standard; length, width, thickness, angle, flatness, gloss, appearance quality, water absorption, bulk density , bending strength, compressive strength test and test, product comprehensive judgment pass rate