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water valve sheet are mainly used in the industry of sanitary,bathroom and seal.It can guaranee that the produt of XinXing can be used normally for 500,000 times and they do not trickle down at all.The high quality and effectiveness of using can compare with the same category of foreigh ones.In Sep.2008,XinXing has built a new factory covering an area of 23 acres which are used professionally for producing the Valves products,and which has the capablity and the scale of satisfying the different customers' demand. Item Unit & Symbol Indicators Density g/cm3≥3.55Rockwell Hardness HRA84 86Bending Strength MPa300 340Volume Ressistivity Ω·m(20ºC)5×1013Thermal Conductivity w/m.k(20ºC)21Co-efficient of Thermal Expansion (20 100ºC)7×10-6Water Absorption %0Max operation temperature ºC1500 1680Rough Strength μm0.1 0.5Gloss strength Beeline