Leecast 37-90
- Chemical Family
- Epoxy & Epoxy Derivatives
LEECAST 37-90 is a proprietary anhydride cured epoxy system. LEECAST 37-90 is light in color and may be used with features a convenient 1:1 by volume mix ratio. Electrical properties are excellent. Mechanical and thermal properties are also very good - comparable with resins cured with amine hardeners.
Product families
- Epoxies
Other characteristics
- Brand
- Leecast
- Polymer Name
- Epoxy Resins & Compounds
- Safety
Avoid skin contact when using this product. LEECAST 37-90 may cause skin sensitization or allergic reactions.
- Appearance
- Clear liquid, Amber liquid
- Shelf LIfe
- 12 months
- Cure
- Chemical Cure
- Heat Cure
- Technology
- Plastics
- Use Direction
Accurately weigh both components then mix well. Parts to be encapsulated should be clean and free of all grease and oils. All surfaces should also be dry. A typical cure schedule is 2 hours at 90oC followed by 3hours at 150oC.
- Handling
LEECAST 37-90 should be stored in closed containers at temperatures above 60oF (15.5oC) to prevent crystallization. Handle in well ventilated areas. Keep containers closed when not in use to prevent possible moisture contamination
- Plastics and Elastomers Functions
- Resin
Technical data
Table 1 of 3
4 rows| Characteristic | Value | Unit |
|---|---|---|
| Hardness (25ºC) | 85 | Shore D |
| Tensile Strength | 12000 | psi |
| Tensile Elongation | 5 | % |
| Glass Transition Temperature | 135 | ºC |
Table 2 of 3
6 rows| Characteristic | Value | Unit |
|---|---|---|
| Viscosity (25ºC) (Part A) | 12500 | cps |
| Density (Part A) | 9.7 | lbs./gal |
| Specific Gravity (Part A) | 1.2 | g/ml |
| Viscosity (25ºC) (Part B) | 200 | cps |
| Density (Part B) | 10 | lbs./gal |
| Specific Gravity (Part B) | 1.2 | g/ml |
Table 3 of 3
8 rows| Characteristic | Value | Unit |
|---|---|---|
| Mix Ratio, by volume (Part A) | 100 | — |
| Mix Ratio, by weight (Part A) | 100 | — |
| Pot Life (25ºC) (100 g) (Part A) | min. 8 | hours |
| Recommended Cure Cycle (Part A) (90ºC) | 2 | hours |
| Mix Ratio, by volume (Part B) | 100 | — |
| Mix Ratio, by weight (Part B) | 100 | — |
| Pot Life (25ºC) (100 g) (Part B) | min. 8 | hours |
| Recommended Cure Cycle (Part B) (at 150ºC) | 3 | hours |
