Lead-free Material

Item : NS503- black durostone)Product DescriptionDurostone NS503-Black us the top grades of the material and it is a lead-free material, it is designed for who wanted to enhace productivity and reduce the loss of the products. This item can withstand the temperature more than 380 degree (10~20seconds). And keep its mechanical strength, smoothness and original color when continuously used during the temperature of 300°c .Composite materials ( durostone) it is excellent material for fixture, wave soldering, reflow soldering, SMT oven tray, had tin furnace jig, such as PCB and electronic industryProduct Features-Excellent chemical, resistance , High protection on chemical attack erosion -Low thermal conductivity-Excellent Machining properties enabling the manufacture of complex design solder pallets and fixtures-Good resistance to chemicals used in modern fluxes -Conform to RoHs and Environmental Health Safety requirementHow to choose the durostone material There are different grades durostone material for choosing,  it depend on your production requirement and your products ,the high grade material can be reuse more than 20000 times some are less , and the pricing are different too .please kindly check the "Technical Data" for choose reference or contact us for advice. Technical DataTest Item      NS-301NS-302NS-302 NS-302NS-302NS-306NS-503ColourBlackGreyDark redBlueGreenBlackBlackDensity( g/cm3 )1.81.851.851.851.851.902.00Flexural Strength @ 23℃(MPa)360 360360360 360 360360Flexural Strength @ 150℃(MPa)180180180180180200260Flexural Strength @ 180℃(MPa)110120   120120120130150Modulus of Elasticity @23 ℃(MPa)18000180001800018000180001800018000Modulus of Elasticity @ 150 (MPa)800090009000900090001200014000Modulus of Elasticity @ 180 ℃(MPa)-----1000010000Water Absorption(%)  <0.20<0.20<0.20<0.20<0.20<0.20<0.20Coefficient of Linear Expansion(10-6/K) between 30℃ and 200℃  13121212121111Thermal Conductivity  (W/moK)0.570.570.570.570.570.570.53Maximum Operating Temperature (℃) 10-20 seconds280300300300300360380Standard operating temperature(℃)260280280280280300300Surface resistance (ohms)( Ω )105-109Chemical ResistancegoodGreatGreatGreatGreatExcellentExcellentStandard Sheet Size(mm)1160 x 1260Standard Thickness(mm)3,4,5,6,8,10,12Flatness Tolerance(mm)-0/+0.15Parallelism(mm)0.1Cutting ServicesThe standard sheet size is 1160x1260mm, sheets can be cut into the smaller size in our workshop before delivery and it's free of charge, It will easy for the shipment and save process before use. Just let us know the size what you want when you place order! Free sample We provide sample (size 160x160 mm) for test or checking the quality … samples are free of charge, but should be send by customer's courier account and freight collect.


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