4901 LamLight Fast Cure
There are other ways to make hatches, and then there’s the better way. Arjay’s Lam Light compound is used by some of country’s more innovative boat builders as that better way. It not only reduces weight and labor, but also reduces the need for extensive cosmetic work post-mold.
Read the ProTips
Better Part Cosmetics in Less Time
Lightweight LamLight cures fast and stays cool for better hatch and small part cosmetics and reduced labor costs
4901 LamLight Fast Cure Compound is formulated with premium polyester resins and advanced fillers. It can be used as the primary laminating resin in two part compression applications for producing small parts. The controlled exotherm and fast curing results in rapid part turnover and premium cosmetic finishes which are superior to parts made with other materials and processes.
Performance Benefits
- Formulated with premium resins
- Controlled exotherm and shrinkage
- Low Styrene content
- Very low air entrapment
- Excellent durability
- Can be poured, infused or sprayed
Simplify Your Process: Why LamLight is Better
Introducing Lam Light into open molds greatly reduces problems with pressure and flow when compared to RTM. This reason alone can result in lower cost, and higher quality.
4901 in Squish Mold Applications
Wet Out Female Half
Using 1.5% clear or disappearing red MEKP
Apply 60% of 4901
Over one or two continuous strand glass mats
Add Core & Glass
Press core, add more glass and remainder of 4901
Availability
| Table Header | REGULAR |
|---|---|
|
4901 LamLight Fast Cure Bonding & Filling Compound |
|
|
5 Gal Pail | 55 Gal Drum |
RECOMMENDED FOR
| RECOMMENDED FOR | |
|---|---|
|
Compression Molding |
Small FRP Parts |
|
Rapid Mold Turnover |
Casting Complex Geometries |
WORKING PROPERTIES
| GEL TIME | Gel Time | Reaction Time | Fixture Time | Peak Exotherm |
|---|---|---|---|---|
|
30-42 min |
15-25 min |
49-67 min |
240-310℉ |
TYPICAL PHYSICAL PROPERTIES
| RECOMMENDED FOR | |
|---|---|
|
Color |
White |
|
Odor |
Styrene |
|
Texture |
Smooth |
|
Weight |
7.0-7.4lbs/gallon |
|
Shelf Life |
4-6 Months |
VISCOSITY
| GEL TIME | RPM | µ Min | µ Max |
|---|---|---|---|
|
2 |
2,100 |
4,800 |
TYPICAL CURED PROPERTIES
| GEL TIME | Test | Average | Deviation |
|---|---|---|---|
|
Tensile Elongation |
1.00-3.00% |
– |
|
|
Tensile Strength |
1,480-1,640 PSI |
– |
|
|
Compressive Strength |
2,950-3,250 PSI |
– |
|
|
Lap Shear |
1,200-1,420 K PSI |
– |
|
|
Heat Deflection |
145-165℉ |
– |
|
|
Linear Shrinkage |
<1% |
|
|
|
Shore D Harness |
65-80 |
– |
