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Sheet Moulding Compound

Sheet Molding Compound (SMC) is a mixture of polymer resin, inert fillers, fiber reinforcement, catalysts, pigments and stabilizers, release agents, and thickeners and possesses strong dielectric properties.

 

PropertyTest MethodValues
Specific DensityASTM D7901.7
Glass Contents (%)N/A25
Water Absorption (24Hrs) (%)ISO620.2
Tensile Strength (Kgf/cm2  )ISO527700
Flexural Strength (Kgf/cm2 )ISO1781550
Dielectric Strength (KV/mm)IEC60243-112
Comparative Tracking Index (Volts)IEC60112>600
ARC Resistance (Secs.)D-495180
FLAMMABILITY INDEXUL-94V-0
Glow Wire Test(°C) ,3mmIEC-60695-2-11960
Hot Wire Ignition Test (Secs.)D-3874>120
Relative Thermal Index, Strength ( °C ) (Thickness - 3mm)UL-746B130
Relative Thermal Index, Elect. (°C )(T -3mm)UL-746B105
High Voltage Arc Tracking Rate(mm/min)UL-746A0 thr. 10
High Amp Arc Ignition (mean no. of arcs)UL-746A>120
Material GroupIEC-601121
Pollution DegreeIEC-609503
Insulation Classas per NEMAB
Working Temp ( °C )-(-) 40°C to 130° C



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