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Physical and chemical properties 1 Forging tungsten rod 1.1 Purity: W≥99.95%; 1.2 Density:≥19.3g/cm3; 1.3 Linearity:≤1%; 2 Sintering tungsten rod 2.1 Purity:W≥99.95%; 2.2 Density:≥18.3g/cm3; 2.3 ...