3d cam
An ISO 9001/AS 9100 Certified Company
3d cam

3D-Cam, Inc.
9801 Variel Ave.
Chatsworth, CA 91311

Tel: 818.773.8777
Fax: 818.773.9582

 

PRODUCT HIGHLIGHTS:

  • Improved viscosity for easier pouring

  • Does not contain VCHD or MDA

PRODUCT APPLICATIONS:

  • Molds for casting polyurethane, epoxy, polyester and other materials

  • Vacuum form molds

  • Wax casting molds

  • Compression molds

PRODUCT DESCRIPTION:

ET50 is an aluminum powder filled epoxy casting resin system that provides service temperatures to 350° F (177°C). ET50 is most commonly used for the construction of molds that require good heat conductivity, outstanding durability, and that provide production run capability. The majority of applications for ET are used in conjunction with other materials in developing composite mold structures.

The composites approach to mold construction uses ET50 as a binder for SC-124 Aluminum Granules. This mixture is cast behind a high temperature surface coat, ET10 or ET15. This combination provides several benefits. The ET10 or ET15 surface coat provides exceptional durability, and the aluminum granule addition to the ET50 provides vastly increased heat conductivity and reduced shrinkage. In addition this method will decrease coast. Generally, the SC-124 Aluminum Granule is added at the rate of 60 parts by weight to 100 parts by mixed resin and hardener. Larger amounts of aluminum granules are added when vacuum form molds, casting molds, foam molds, and other low pressure compression type molds.

PHYSICAL PROPERTIES

Hardness, Shore D ASTM D-792 90
Specific Gravity, (gm/cc) ASTM D-2240 1.69
Volumetric Weight, (cu.in./lb) ASTM D-792 17
Compressive Strength, (psi) ASTM D-695 27,800
Flexural Strength, (psi) ASTM D-790 11,100
Flexural Modulus, (psi) ASTM D-790 1.06X106
Tensile Strength (psi) ASTM D-638 8,150
Shrinkage, (in./in.) ASTM D-2566 .002
Heat Deflection Temperature, (264 psi) ASTM D-648 311°F (155°C)
Coefficient of Thermal Expansion, (in/in./°F) ASTM D-3386 1.9X10-5

HANDLING PROPERTIES

Mixed Viscosity(cps) 15,500
Work Life@ 770F(250C) 60 minutes
Demold Time@ 750-80F(240-27°C) 16-24 hours

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