Standard Epoxies

Laminating Epoxies

PRO-SET® Laminating epoxies are a versatile system of liquid resins and hardeners designed to meet a wide range of wet lay-up laminating applications.

PRO-SET Laminating epoxies are used to produce lightweight, high-performance composite structures that will withstand long-term cyclic loading in the harshest environments.

These epoxies develop excellent physical properties at room temperature and may be post-cured for enhanced performance. Other features include:

Ability to bond to many different types of core materials
including wood, metal and all reinforcing fabrics
Excellent moisture resistance
Superior resistance to heat
Superior resistance to fatigue

AN EXTENSIVE RANGE OF RESINS AND HARDENERS

PRO-SET Laminating Epoxies
Choose one of four PRO-SET resins by viscosity
Low Viscosity Laminating Resin	LAM-125
Medium Viscosity Laminating Resin	LAM-135
Thixotopic Laminating Resin	LAM-145
Choose one of four PRO-SET Hardeners by cure speed
Fast Laminating Hardener	LAM-224
Medium Laminating Hardener	LAM-226
Slow Laminating Hardener	LAM-229
Extra Slow Laminating Hardener	LAM-237

HARDENERS MAY BE BLENDED FOR TARGETED CURE TIME

MATCH THE CORRECT RESIN TO YOUR EXACT REQUIREMENTS

This guide compares the typical physical properties. These test specimens are cured at room temperature to gelation and at 82°C for eight hours, unless otherwise noted. Neat epoxy samples are used for testing. These are typical values, not to be construed as specifications.

Property	Standard	units	LAM-125 Resin¹	LAM-135 Resin¹	LAM- 145 Resin¹
Mix Ratio by Volume		R:H	3:1	3:1	3:1
Mix Ratio by Weight		R:H	3.5:1	3.5:1	3.5:1
Mixed Viscosity @25℃	ASTM D2196	mPas	449-616	904-1705	1495-2059
Mixed Viscosity @22℃		g/cc	1.16	1.17	1.17
Shear Thinning index	ASTM D2196	RPM Rotation			1.37
Compression Yield	ASTM D695	MPa)	-96	-101	-101
Tensile Strength	ASTM D638	MPa	-70	-74	-75
Tensile Modulus	ASTM D638	GPa	-3.19	-3.19	-3.19
Tensile Elongation	ASTM D638	%	-5.6	-6.2	-6.2
Flexural Strength	ASTM D790	MPa	-124	-128	-128
Flexural Modulus	ASTM D790	GPa	-3.12	-3.03	-3.03
Tg Ultimate via DMA²	ASTM E1640³	℃	>89	>102	>102
Tg Ultimate via DSC with LAM-251-HT Hardener²	ASTM E1640³	℃	135	142	142

As of press time, TBD values are undergoing testing.
¹Average of properties for combinations with LAM-224, LAM-226, LAM-229 and LAM-237 Hardeners.
²LAM-151-HT Resin/LAM-249-HT Hardener cured @ 60°C × 2 hours + 150°C × 4 hours.
³Additional post cure may be required; contact us for details.
41 HZ, 3°C per minute.

MATCH THE CORRECT HARDENER TO YOUR EXACT REQUIREMENTS

Property	Standard	LAM-224 Hardener	LAM-226 Hardener	LAM-229 Hardener	LAM-237 Hardener
150g Pot Life @ 25℃	ASTM D2471	13 min	52-59 min	93-100 min	128-163 min
500g Pot Life @ 25℃	ASTM D2471	12 min	45-52 min	73-84 min	102-107 min
Approx. working time @ 25℃		40 min	2-3 hr	4-5 hr	7-8 hr

Hardeners can be blended for intermediate cure times.

DOWNLOADABLE TECHNICAL DATASHEETS

PRO-SET LAM-145 with LAM-224 Fast Cure Laminating Epoxy
PRO-SET LAM-145 with LAM-226 Medium Cure Laminating Epoxy
PRO-SET LAM-145 with LAM-229 Slow Cure Laminating Epoxy
PRO-SET LAM-145 with LAM-237 Extra Slow Cure Laminating Epoxy

DNV GL Approval. PRO-SET LAM-125 and LAM-135 resins with LAM-224, LAM-226, LAM-229 and LAM-237 hardeners combinations have all been awarded Type Approval by DNV GL.

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