Haprez™ 3747

About
A high performance, room curing laminating system that is specifically formulated for use in automotive tooling aids, duplicates, Keller models, fixtures, spotting racks, foundry tools, and all other applications requiring laminates for use up to 245° F. Provides excellent wetting characteristics on fiberglass cloth, and its smooth handling and spreading quality make it quick and easy to use. Its low viscosity characteristics also enables hand application by brush, roller, squeegee, or conventional internal mix spraying equipment. Non-settling during storage and use, to yield completely uniform results with every use. It is also non-sagging to insure that the glass stays in place during fabrication and curing, and its long pot life characteristic enables continuous, non-stop laminating to any desired thickness. While yielding exceptionally high strength properties, HAPREZ 3747 is also a close tolerance system. Low shrinkage factors of 0.0005 per linear inch are customarily obtained with this system, making it ideal for close tolerance applications. May be used with any HAPCOAT system to provide a totally compatible laminate system.&&

About

A high performance, room curing laminating system that is specifically formulated for use in automotive tooling aids, duplicates, Keller models, fixtures, spotting racks, foundry tools, and all other applications requiring laminates for use up to 245° F. Provides excellent wetting characteristics on fiberglass cloth, and its smooth handling and spreading quality make it quick and easy to use. Its low viscosity characteristics also enables hand application by brush, roller, squeegee, or conventional internal mix spraying equipment. Non-settling during storage and use, to yield completely uniform results with every use. It is also non-sagging to insure that the glass stays in place during fabrication and curing, and its long pot life characteristic enables continuous, non-stop laminating to any desired thickness. While yielding exceptionally high strength properties, HAPREZ 3747 is also a close tolerance system. Low shrinkage factors of 0.0005 per linear inch are customarily obtained with this system, making it ideal for close tolerance applications. May be used with any HAPCOAT system to provide a totally compatible laminate system.&&

Product Description
Generic	热塑性聚酯
Material Status	Commercial: Active
Features	Good Rigidity,Low contractility,Quick wetting
Availabilitys	North America

Technical Data
PHYSICAL	Nominal value	Unit	Test method
Density	1.30	g/cm³

IMPACT	Nominal value	Unit	Test method
Impact strength of cantilever beam notch	25	J/m

Thermosetting mixed viscosity	Nominal value	Unit	Test method
24℃	38000	cP

Supplementary information	Nominal value	Unit	Test method
Curing time
21℃	1.0	day

MECHANICAL	Nominal value	Unit
Shore hardness
Shaw’s D, 25 ℃	87
tensile strength	338	MPa

THERMAL	Nominal value	Unit
Operating temperature	118	℃
Thermosetting components
Component A	按重量计算的混合比: 100
Component B	按重量计算的混合比: 16
storage stability
25 ℃	30 to 40	min

Notes
1. Typical properties: these are not to be construed as specifications.
2. 12 Ply
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