Its thermal class is H, with excellent mechanical strength, electrical property and chemical erosion resistance.

耐热等级H级.有良好的机械强度 、 电气性能及耐化学腐蚀性.

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There are two reasons - and wear plates , and friction and printing plate, electro - chemical corrosion and chemical erosion.

有两个来因会使印版砂目磨损, 一是摩擦,二是印版的电化腐化和化学腐化.

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