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JEFFCO 3179

50 MINUTE 4:1 HARDENER

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Product Description:
A minimum toxicity laminating hardener for use on large parts. Exhibits very low exudation allowing for secondary bonding with minimal preparation. Low odor and low to moderate skin toxicity for wet lay up laminating. Cured material has >185°F HDT without a post cure allowing finished laminate to be used elevated service environments. Easy to use 4:1 volume (100:22 by weight) mix ratio. 100% solids, zero VOC’s and ships DOT non-regulated.       

Product Uses:
Composite parts and tooling made by hand lay up and vacuum bagging.

 
PROPERTIES OF 3179 HARDENER (neat): Minimum Maximum
Gel Time: Gel Time (minutes@ 77°F, 150 grams) 45 55
Viscosity: @ 77°F, cps 250 300
Color: (Gardener) 4+
Weight Per Gallon: (lbs.) 8.2 8.2
Weight Per Active H:
Mix Ratio: Parts Per 100 Resin (by weight, 4:1 volume) 22 22
Thin Film Cure Time: (minutes @ 175°F)
Thin Film Set Time: @ 77°F (hours) 6 6.5
Cure Time: @ 75°F (hours)
Pot Life: (minutes @ 77°F, 150 grams)

 

TYPICAL CURED PROPERTIES WITH 1379 RESIN
Minimum Maximum
CURED PHYSICAL PROPERTIES (1 ply 34 oz biaxial, 1 ply 26 oz unidirectional, 65% glass)
HDT: (°F) ASTM D648-264
Shore D Hardness: 88 88
Barcol Hardness Units :    
Flexural Strength: (psi) D-790 17,560 17,560
Flexural Modulus: (psi) D-790 x 10 to the 6th power 419,100 419,100
Tensile Strength: (psi) D-638 9,544 9,544
Tensile Modulus: (psi) x 10 to the 6th power 451,700 451,700
Elongation: % 3.97 3.97
Compressive Strength: (psi)
Bond Strength: (psi) ASTM C882
Water Absorption: % .14 .14
Heat Deflection Temperature:
Heat Distortion Temperature: °C
Service Temperature: °F
Tensile Strain at Break: %    

How Supplied:
Pails, Drums, Tote Bin

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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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