3M Scotchcast™ 251 Rigid Polyurethane Electrical Resin, 20 lb, Brown
MFR #:7000006255
EIS #:3MR25120LB
UPC #:00054007345169
MFR #:7000006255
EIS #:3MR25120LB
UPC #:00054007345169
Temporarily Out of Stock
Min Qty:1
|Qty Increment:1
3M™ Scotchcast™ Electrical Resin 251 has good handling characteristics. The medium viscosity, rigid resin is suitable for applications where physical strength and excellent electrical properties at elevated temperatures are required. ASTM Approved, MIL I 16923E Certified and RoHS 2011/65/EU Compliant.
3M™ Scotchcast™ Electrical Resin 251 is a 2 part, oven curing, liquid resin that's useful for electronic and electrical applications requiring the highest level of protection. This filled epoxy based resin has a medium viscosity property, which makes it easy to infuse on any surface. It is useful for applications that include filling, patching, insulating and more.
$1,424.06 / Kit
Min Qty:1
|Qty Increment:1
3M™ Scotchcast™ Electrical Resin 251 has good handling characteristics. The medium viscosity, rigid resin is suitable for applications where physical strength and excellent electrical properties at elevated temperatures are required. ASTM Approved, MIL I 16923E Certified and RoHS 2011/65/EU Compliant.
3M™ Scotchcast™ Electrical Resin 251 is a 2 part, oven curing, liquid resin that's useful for electronic and electrical applications requiring the highest level of protection. This filled epoxy based resin has a medium viscosity property, which makes it easy to infuse on any surface. It is useful for applications that include filling, patching, insulating and more.
- Attributes
- Features
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Attributes
General Information
Item NamePolyurethane Electrical Resin
Trade NameScotchcast™
SeriesScotchcast™ 251
General Features
TypeRigid
Design & Construction
ColorBrown
Cure TypeOven
FormLiquid
Performance Details
Tensile Strength5280 psi
Flexural Strength9500 psi
Moisture Absorption0.25% Weight Increases 240 hr at 96% R.H
Gel Time20 min
Chemical Properties
Specific Gravity1.5
Viscosity19000 cP
Viscosity - Part-A175000 cP
Viscosity - Part-B10000 cP
Mixing Ratio1:1 (Weight), 50:50 (Volume %)
Electrical Properties
Dielectric Strength425 V/Mil
Physical Properties
Container Size20 lb
Container TypeKit
Elongation0.7% at Break
Hardness40 Shore D
Environmental Condition
Temperature Rating155 °C
Features
- An easy 1:1 mix ratio and good handling characteristics have contributed to the product's popularity
- Warming this resin to 120 °C (248 °F) will lower its viscosity below 200 centipoise for maximum impregnating ability
- High-temperature
- Excellent electrical properties
- Filled epoxy liquid resin
- 5 x 10^-5 length/unit length/°C coefficient of linear thermal expansion
- 17,500 psi compressive strength
- Gel Time: 23 min at 120 °C
- Flash Point: A = 202 °C, B = 152 °C
- Viscosity: 19000 cps at 23 °C/73 °F/Mixed)
- Density: A = 1.53 kg/l, B = 1.48 kg/l
- Temperature rating: Class F (<=155 °C)
- Thermal Conductivity: 8 x 10^-4 Cal/sec/cm^2/°C/cm
- Viscosity - Part-B: 10000 cps at 23 °C/73 °F