No spark fine stone concrete quality requirements

No spark fine stone concrete quality ( 1) Don't angry, Explosion-proof) The mix of cement should be adopted for the class on the surface laying thickness should comply with the design requirements. ( 2) Misfire surface quality key requirement is still should comply with the surface of the provisions of other relevant chapters. ( 3) Raw material processing and preparation, attention should be paid to check material, shall not be mixed with fine grained metal or other impurities prone to spark. ( 4) Used in the construction materials should be used after the test, intermediate may not replace any material and mixing ratio, lest cause poor surface and quality problems. ( 5) Surface temperature should not be less than 5 ° C, it should be in accordance with the requirements of winter construction insulation, antifreezing measures.