If you are planning to wholesale best cheap and high quality two part polyurethane sealant China, or hot sale two part polyurethane sealant in China from professional two part polyurethane sealant manufacturers and suppliers and factory, please feel free to contact SEPNA, and welcome to check products price with us.Low Water Absorption Polyurethane Potting Compound SP2208◆Detailed Product DescriptionFeatures1.Low viscosity,fast curing2.Excellent performance on low-temperature and aging3.Excellent and stably electrical dielectric4.Excellent bonding, good water-proof and moisture-proof.5.Very low Water absorption 6.Bonding very well with most metals and plasticsUsageUsed for Casting and potting in water through the component,communication equipment,dashboard component, electronic spark control, electronic sensor, ect.◆Data TableSP2208 ASP2208 BAppearanceWhite/ Black Fluidtransparent light yellow FluidViscosity CPS (25℃)1300 ± 50040± 20Density0.98±0.021.20±0.03Ratio of weightA：B = 100 ：66Ratio of volumeA：B = 117 ：100Hardness Shore A70Water absorption (25℃ soak in 15 days)< 0.15 %Dielectric intesity kV/mm（25℃）>20Volume resistance（DC500V）Ω·CM1×1013dielectric dissipation factor,50HZ0.02Flammability class UL 94V-0Application temperature ℃-60～150Service temperature(UP to 1hr) ℃165Test in the cup Test conditionMixing speed: 1500rpm, Agitator diameter: 50mm, The volume paper cup: 250mlWeight (A/B)100/66gIngredient temperature23°CMixing time15sNo flowing time3minNote：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.◆OperationPreparationsMaterial preparation: Stirring in the original drum, then pouring into dispenser.To avoid bubbles inside of finished products, both tank should be usually kept 30 to 50 minutes under the vacuum pressure 0-2mmHg.Max tolerance: Mixing proportion of deviation may affect mechanical properties, tolerance should be less than 1%.Other:Through the production, should always maintain the tank airtight . the compressed gas should be dry If need, otherwise part B will become sticky, and influence the mechanical properties.Suggestion of molding conditionMachine Mixing method Material temperature Part A 25-30 ℃ Part B 25-30 ℃ low pressure Pouring machine recommended approach is to use static method◆Package and StoragePackage Part A : 200kg/drum Part B:200kg/ drum Storage The opened drum should be sealedAvoid moisture, and be used out in a short timeShelf life: 12months for part A; 6months for part B ◆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 [email protected], 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 replace 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.
