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Your current location:Home » Product supply » Polyurethane Potting Compound For Electronics
Polyurethane Potting Compound For Electronics
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Product: Views:2Polyurethane Potting Compound For Electronics 
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Last updated: 2016-12-05 14:41
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If you are planning to wholesale best cheap and high quality polyurethane potting compound for electronics China, or hot sale polyurethane potting compound for electronics in China from professional polyurethane potting compound for electronics manufacturers and suppliers and factory, please feel free to contact SEPNA, and welcome to check products price with us.Flame Resistance Polyurethane Potting Compound SP2286 ? ? ? ? ? ??◆Detailed Product DescriptionSP2286 is two-component low viscosity frame retardant potting compound at room temperature or heating.Features1.Low viscosity, strong operability2.Excellent low temperature properties, weatherability .3.Excellent flame retardancy4.Excellent electrical insulating properties, stability?5.Good waterproof, moisture resistance, very low water absorption6.Good adhesion to most metals and plasticsUsePotting compound for communications equipment, transformers, ignition controller, electronic sensors◆Data TableProperties before curinSP2286SP2286PartABAppearanceBlack LiquidAcid LiquidViscosity, mPa.s(25℃ mPa·s)600±10040±20A+B350±100Density, ?g/cm3(25℃ g/cm3)0.95±0.051.15±0.05Working time ,25℃ min35~45(Until 10000mPa·s)Mixture/mass ratio, weightA : B= 4:3Preliminary curing time,℃/hr25℃/(8-10)hViscosity after mixing, mPa.s (25℃)1000-2000500-900Density after mixing, ?g/cm3(25℃)1.401.08Operation time after mixing, min(25℃)21Preliminary curing time,℃/hr80/1.5 or 25/1080/1.5 or 25/10Properties after curinHardness, Shore A45±5/Volume resistance DC500V, Ω·cm>1015/Water absorption 24h,25℃,%<0.1/Dielectric strength, KV/mm,25℃>20/Flame retardancy, UL-94 levelV-0/Application temperature , ℃-40~130/>16/Tensile-shear strength, Mpa, Fe/Fe>5/Thermal conductivity, W/m.K0.35/Dielectric constant, 50Hz,25℃5.32/Heat-resisting class ,IEC 85B/Heat Index, IEC216,℃130/Linear shrinkage, %0.8-1.0/Linear thermal expansion ,μm/(m,℃)120/GTT(glass-transition temperature) ,DSC,℃63/Note:①All data above were tested under standardized condition.②All data listed in the chart were for the generalized item in the series; please refer to the related data sheet for special items.③Storage condition has a direct impact to the products’ shelf life, Please refer to the instruction for special items’ storing◆Operation1.Preparation:Dry all containers and mould in 70-80 ℃ oven for 1-2 hours to remove moisture.Also can decrease the temperature, the longer heating time, the device to remove moisture2.Mixing : put A and B into a container. stirring clockwise (or counterclockwise) 2-3mins with same direction. to minimize stir into the air, pay attention to the bottom of container, the edge still need to stir well, otherwise there will be not curing phenomenon at local .3.Defoaming :The ?potting surface should be ?smooth without air bubbles ,the mixture should be vacuum cast off the air bubbles (≤-0.1mpa) .Mixing and dynamic deaeration of pumping air into vacuum state is helpful to remove air bubblers.It needs to omit steps 2 ,3 if use the mechanical measuring mix potting.4.Casting: the mixture is poured into the device, the device structure is complex, large volume, should be pouring. Pouring bubble available purging heat gun, etc. Can eliminate foam surface.5.Curing: 25 ℃ / h (8-10), or 80 ℃ / 1 h can be cured. The environmental humidity should be controlled in < 70%, low temperature should be take into consideration the longer curing time .◆Package and StoragePackage ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? StoragePart A : 20kg/drum ? ? ? ? ? ? ? ? ? ? ? ?Seal and Avoid light and lightPart B: 25kg/pot ? ? ? ? ? ? ? ? ? ? ? ? ? Temperature in 10~30℃, humidity≤50%RHShelf life: Part A 12months, Part B 6 months◆Safety Operation MaterialMSDS isn't included here. Please read TDS, MSDS and label carefully before operation.You can get MSDS from Sepuna or other distributors, or mail to service center sepuna@sepuna.cn, or call +86-400-882-1323.◆Product WarrantyAll product properties and application details based on information believe to be reliable and accurate. But you still need to test its property and safety before application. The advices we supply don't apply in any circumstances. Sepuna don't make assurance of any other applications outside the specification until Sepuna supply a special written guarantee. Sepuna is only responsible to replac or refund if this product is defective within the warranty period stated above. Sepuna makes it clear that will not be liable of any accidents.


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  • 25 Oct 2016 15:05
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