Solvent-free Polyurethane Potting Compound SP2609◆Detailed Product DescriptionFeatures1.No solvent, easily process2.Excellent performance on low-temperature and aging3.Excellent and stably electrical
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Solvent-free Polyurethane Potting Compound SP2609
◆Detailed Product Description
1.No solvent, easily process
2.Excellent performance on low-temperature and aging
3.Excellent and stably electrical dielectric
4.Very low Water absorption
5.Good adhere to most material
SP2609 can be used as adhesives, fillers, coating and plastic injection. It has good bonding to metal, wood, plastic and hard foam material surface.
Brookfield RVT Test Method
Test temperature is 200 c
Mixing ratio, by weight
Mixing ratio, by Volume
About 5-8 hours at room temperature
Initial setting time
5~7 hours RTV
Peel strength (Al/Al)
-40℃ - 80℃
Short exposure (1h)
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.
Bond line preparation and surface pre-treatment requirements
The substrate should be clean, dry, and free of dust, oil, grease and other contaminants. The use of suitable primers on metal surfaces can improve the adhesion and / or the long term bond stability.
Mixing and Applying
Adhesive components can be mixed manually, with stirring application or two-component mixing equipment. The adhesive is only to be used within a limited time (prolife) .After this time the mixture gels up and is not suitable for use. Therefore only the amount that can be applied within the time of prolife should be mixed.
The prolife depends on the quantity and temperature of the mixed batch. With larger quantities and increase in temperature, the temperature, the prolife decreases. Lower temperatures extend the prolife. If there is excessive curing agent dosing, the viscosity will decreases after mixing, mucous membrane is broken sex will increase.
Adhesive components should not come into contact with moisture during the storage or application. Contact with moisture (water vapors) generates foaming of the adhesive and weakens the bond line. Therefore all packing should be sealed properly and have to be protected against humidity during storage.
SP2609 can be cured between 15C and elevated temperatures (up to 60C). The curing time will be reduced substantially with increasing temperatures. Also the addition of chemical catalysts (accelerators) speed up the curing reaction (i.e. prolife, open time)
During curing there should be adequate contact pressure (load pole. presses, clamps) and fixtures to hold the joint in the place. An adhesive squeeze out along the bond line is a goops indication adhesive in the joints
Fresh, uncured material (cleaning of application equipment, spills on substrate, etc.) can be removed with a special PU cleaner (e.g. Macroplast B 8030); cured adhesive can only be removed mechanically.
Typical Shear results
Tensile Shear strength (in Mpa.) as function of the curing time at 20 C
Tensile Shear strength (in Mpa.) as function of the curing time at elevated temperatures （Measured at 20 C）
Tensile Shear strength (in Mpa) at different temperature (after 12 days at ambient temperature)
◆Package and Storage
In sealed containers and dry conditions
Recommended storage temperature ：15℃ to 25 ℃
Shelf-life: 12 months in original packaging
Recommended storage temperature: 15℃ to 25 ℃（not<10℃ and>50 ℃）
Shelf-life: 12 months in original packaging
◆Safety Operation Material
MSDS 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@example.com, or call +86-400-882-1323.
All 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.