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Product: Silver pearl  Price: Bargain  Delivery Period: Shipped within days from the date of payment of the buyers. Last Updated: 11 Jul,2012   Valid Until： Long-term effective

Specific gravity: 27,7 kN/m3 ASTM C97-47 DIN 52102 Crushing strength: 166-227 N/mm2 ASTMC 170-50 DIN 52105 Tensile strength: 12-14,5 N/mm2 ASTMC 99-52 DIN 52112 Wear at 2000 rpm: 2,2-2,4 mm ASTM 1242-56 Thermal expansion coefficient: 5,6 Wa