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What are the advantages of polished bricks
2023-04-21491
1,advantageone:noradioactiveelements:naturalstoneisamineral, withouthightemperaturesintering,itcontainsindividualtraceradioactive elements,long-termcontactwillbeharmfultohumanbody;Polishedbricksdo not...
Rules of purchase of anti-skid brick
2023-04-21547
1,thebackoftheanti-skidbrickdropsafewdropsofteajuiceorwater, afterafewminutes,dependingontheextentofthewaterdropinhalation diffusion,nowaterabsorptionorlowwaterabsorptionrateisgoodquality.2.Knockonthe...
What are the characteristics of marble
2023-04-21498
undeformedAfteralongtimeofnaturalaging,thestructureoftherockisuniform,the linearexpansioncoefficientisverysmall,theinternalstresscompletely disappeared,nodeformation.HighhardnessGoodrigidity,highhardn...
