Eager Polymers EP4117
- Chemical Family
- Polyesters
Eager Polymers EP4117 is a room temperature curing, rigid, translucent, polyester resin for use with fiberglass fabric. It is an air-inhibited resin so additional layers can be applied without sanding between layers. Consequently, EP4117 is often called bonding resin or laminating resin. Successful applications include boat-building, auto body construction, mother mold production and other reinforced plastic parts by hand lay-up or chopper gun.
Product families
Applications
- Exterior & Body
- Tooling & Moldmaking
- Marine
Product Families
- Thermoset Resins
Other characteristics
- End Uses
- Hulls, Marine Applications
- Polymer Name
- Polyester (unspecified)
- Processing Methods
- Casting, Continuous Lamination, Hand Lay-up
- Markets
- Automotive & Transportation
- Industrial
- Mix Ratio
The gel time and cure time are both dependent on three parameters; The percentage of MEK-P catalyst used; The temperatures of all ingredients and the surrounding environment; The mass concentration of the resin, a solid-cast shape vs. thin film. A good starting point, at 72°F, is 1-1/4 % catalyst by weight. This is equivalent to 10 drops catalyst per ounce of resin, or 1 teaspoon catalyst per pint of resin. This level will result in a 15 min pot life and a 24-hour cure. As temperatures rise above 72°F, decrease catalyst, and vice-versa. Polyester resins will not cure below 60°F. Experiment until the correct ratio is determined for your specific application. In general, mix what you can use in 10 minutes. Remember to always wear eye-protection when working with polyester resin and catalyst.; The strength of a fiberglass composite comes from the glass fibers. Thus, in making a strong fiberglass part it is crucial to use the correct amount of resin. Using a fiberglass roller will help saturate all the fabric with a minimum amount of resin.
- PACKAGING
Qt, Gal, and 5 gallon sizes include the catalyst. With drums, catalyst must be purchased separately by the Gallon.
- Cure
- Air Dry
- Technology
- Composite Materials
- Packaging Type
- Drums
- Composites End Use
- Hulls
- Marine Applications
- Material Features
- General Purpose
- Good Rigidity
- Translucent
- Compatible Reinforcements
- Glass Fiber
- Composite Materials Functions
- Resins Binders & Matrix Materials
- Composites Processing Methods
- Casting
- Continuous Lamination
- Hand Lay-up
- Is Available in the Following Sizes
- Quart Kit 2-1/4 lb
- Gallon Kit 9 lb
- 5 Gallon Kit 45 lb
- 55 Gallon Drums 500 lb
Technical data
Table 1 of 1
6 rows| Characteristic | Value | Unit |
|---|---|---|
| Compressive Strength | 20000.0 | psi |
| Flexural Strength | 15000.0 | psi |
| Maximum Use Temperature | 180.0 | °F |
| Specific Gravity (9.2 lbs./ gallon) | 1.11 | — |
| Tensile Strength | 10000.0 | psi |
| Viscosity | 650.0 | cps |
