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JEFFCO 3181

SAFETY 3:1 LAMINATING HARDENER

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Product Description:
Modified polyamide/polyamine hardener. 30 minute pot life, with fast cycle times at standard process temperatures. Excellent bonding to difficult substrates. Fast wetting of fiberglass reinforcements. Good workability with carbon and KevlarÔ fabrics. Easy to use 3:1 volumetric mix ratio. A good all-around tooling and laminating hardener. Low toxicity, low odor system. No VOC’s, 100% solids. Ships DOT non-regulated.        

Product Uses:
Composite parts and tools made by hand lay-up, vacuum bag or other molding techniques

 
PROPERTIES OF 3181 HARDENER (neat): Minimum Maximum
Gel Time: Gel Time (minutes@ 77°F, 100 grams) 25 35
Viscosity: @ 77°F, cps 350 550
Color: (Gardener) 4
Weight Per Gallon: (lbs.) 8.3 8.3
Weight Per Active H:
Mix Ratio: Parts Per 100 Resin (by weight, 3:1 volume) 29 29
Thin Film Cure Time: (minutes @ 175°F)
Thin Film Set Time: @ 77°F (hours) 15 20
Cure Time: @ 75°F (hours)
Pot Life: (minutes @ 77°F, 100 grams)

 

TYPICAL CURED PROPERTIES WITH JEFFCO 1381-R-1 Resin
Minimum Maximum
Cure schedule: Gel @ ambient + 2 hours @ 212°F or 7 days @ 77°F
HDT: (°F) ASTM D648-264 185 185
Shore D Hardness: 85 85
Barcol Hardness Units :
Flexural Strength: (psi) 18,560 18,560
Flexural Modulus: (psi)
Tensile Strength: (psi) 9,750 9,750
Tensile Modulus: (psi)
Elongation: % 4.5 4.5
Compressive Strength: (psi)
Bond Strength: (psi) ASTM C882
Water Absorption: %
Heat Deflection Temperature:
Heat Distortion Temperature: °C
Service Temperature: °F
Tensile Strain at Break: %

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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