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恒荣电子有限公司
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WK-573A/573H ( CASTING ) PROPERTIES OF UNCURED MATERIAL: 1.Appearance: 573A Black liquid 573H Brown liquid 2.Viscosity 573A 500-700 cps 573H 1,300 cps 3.Density 573A 1.05 573 H 1.05 4.Mix Ratio 573A / 573H : 100/50 5.Life ; (mixture) @25℃ 40mins 6.Gel Time 80 mins 7.Curing Condition 6 Hours PROPERTIES OF CURED ……………7 DAYS CURED @25℃ H. D. T. ASTM D 648 ℃ 110 Flexural Strength ASTM D 790 Kgf/mm2 8.0 Tensile Strength ASTM D 638 - 4.5 Adhesive Strength Kgf/mm2 83 Hardeness ASTM D 2240 Shore D 88 Volume. Resistivity ASTM D 257 ohm-cm >1016 Dielectric Constant ASTM D 150 @25℃,1KHz 4.0 DielectrecStrength 2mm KV/mm 22.0 Moisture absorption ASTM D 570 @100℃/ 4 Hr <0.1