现货 POM Tecoform PO20 NL RM,阻燃性,增强级,耐寒

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2018-10-15

PhysicalpropertiesofFormaldehydeisasmooth,glossy,hardanddensematerial,paleyelloworwhite,,fromcontinuetoburnafterthefire,flameyellowtop,bottomisblue,themoltendropoccurs,hasastrongpungentformaldehydesmell,,isgenerallynottransparent,goodcoloring,/cm3,%,moldingtemperature170-200℃,dryconditionsin80-90℃,buttheshort-termcanreach160℃,thehomopolymerizationshort-termheatabove10℃higherthancopolymerizationPOMPOM,butlong-termthermalcopolymerizationPOMinsteadofaround10℃℃~100℃,breakingdowntempe,shinyhardanddensematerials,yelloworwhite,canbein-40-100°lastics,sveryresistanttoacid,it,smallwaterimbibition,dimensionstability,luster,theseperformanceisbetterthannylon,polyformaldehydeashighlycrystallineresin,,bendingstrength,fatigueresistance,:°(yield)70MPaElongation(yield)15%(fracture)15%Impactstrength(nogap)108KJ/m2(withagap)/m2featuresPOMhasverylowfrictioncoefficientandgoodgeometricalstability,,soitisalsousedforpipingdevice(pipevalve,pumpcasing),,evenatlowtemperatureswithexcellentcreepproperties,geometricstability,,whichcanbeashighas2%~%.Ther,themeltingpointisobviously,onceitreachesthemeltingpoint,,gth,,,,ials.。