JEFFCO EC-21
2:1 PRESS MOLDING HARDENER
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Product Description:
Modified polyamide/polyamine hardener. 20 minute cycle time at standard process temperatures. Excellent bonding to difficult substrates. Fast wetting of fiberglass reinforcements. Easy to use 2:1 volumetric mix ratio. Excellent flexibility when used in sub-zero environments (on-snow applications). Low toxicity, low odor system. Solvent free, 100% solids. Ships DOT non-regulated.
Product Uses:
Press molded parts such as snow-skis, water-skis, snowboards, etc. |
| PROPERTIES OF EC-21 HARDENER (neat): |
Minimum |
Maximum |
| Gel Time: Gel Time (minutes@ 77°F, 100 grams)
|
35
|
45
|
| Viscosity: @ 77°F, cps
|
1,100
|
1,300
|
|
Color: (Gardener)
|
6
|
|
Weight Per Gallon: (lbs.)
|
8.2
|
8.2
|
|
Weight Per Active H:
|
|
|
|
Mix Ratio: Parts Per 100 Resin (by weight, 2:1 volume)
|
42 |
42 |
|
Thin Film Cure Time: Minutes @ 175°F
|
15
|
20
|
|
Thin Film Set Time: @ 77°F (hours)
|
|
|
|
Cure Time: @ 75°F (hours)
|
|
|
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Pot Life: (minutes @ 77°F, 100 grams)
|
|
|
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TYPICAL CURED PROPERTIES WITH 1301 RESIN
|
Minimum |
Maximum |
|
Cure schedule: Gel @ ambient + 2 hours @ 212°F or 7 days at 77°F
|
|
HDT: (°F) ASTM D648-264
|
175
|
175
|
|
Shore D Hardness:
|
83
|
83
|
|
Barcol Hardness Units :
|
|
|
|
Flexural Strength: (psi)
|
15,900
|
15,900
|
|
Flexural Modulus: (psi)
|
|
|
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Tensile Strength:
|
8,700
|
8,700
|
|
Tensile Modulus: (psi)
|
|
|
|
Elongation: %
|
6.5
|
6.5
|
|
Compressive Strength: (psi)
|
|
|
|
Bond Strength: psi ASTM C882
|
|
|
|
Water Absorption: %
|
|
|
|
Heat Deflection Temperature:
|
|
|
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Heat Distortion Temperature: °C
|
|
|
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Service Temperature: °F
|
|
|
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Tensile Strain at Break: %
|
|
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How Supplied:
Pails, Drums
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The information contained herein is offered without charge
for use by technically qualified personnel at their discretion and risk.
All statements, technical information and recommendations contained herein
are based on test and data which we believe to be reliable, but the accuracy
or completeness thereof is not guaranteed and no warranty of any kind
is made with respect thereto. Always read, understand, and comply with
hazard warnings described in the products' Material Safety Data Sheet(s)
before use.
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