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PRODUCT BULLETIN
www.axson-technologies.com 800.344.7776 axsonmh@axson.com
31200 Stephenson Hwy Madison Heights, MI 48071 Ph 248.588.2270 Fax 248.588.5909
DESCRIPTION
SP-707 is a thixotropic, aluminum filled, high temperature epoxy surface coat which gives excellent surface duplication while
maintaining non-sag qualities. SP-707 mixes easily and applies smoothly with a brush. SP-707 can be used for high temperature
tooling applications up to 300 F (149 C). Use SP-707 surface coat with EC-433 / EC-439 / EC-440 casting systems or EL-336 / EL-337
laminating systems. Typical applications include: Vacuum Form Molds, RIM Molds, High-Temp Bonding Fixtures, Autoclave
Molds, Plastic Injection Molding Prototypes, High Temperature Holding Fixtures, RTM Molds, Cold Press Molds and Drape
Form Molds.
TYPICAL HANDLING CHARACTERISTICS @ 77 F (25 C)
Mix Ratio (parts by weight) ……………………………………………………………………………………………………………….. 100R/15H
Work Life (230 gram mass) ………………………………………………………………………………………………………………. 23 minutes
Mixed Viscosity ……………………………………………………………………………………………………………………………….. 12,400 cps
Yield Per Pound @ 0.030 /1mm ………………………………………………………………………………………………………… 4.6 sq/ft
Specific Gravity ………………………………………………………………………………………………………………………………. 1.39 g/cc
Cure-To-Demold (also reference laminating or casting system used) ……………………………………………………… 8-16 hours
Complete Cure …………………………………………………………………………….. refer to recommended oven cure schedule on page 2
Resin Color …………………………………………………………………………………………………………………………………….. Gray
Hardener Color ……………………………………………………………………………………………………………………………….. Amber
Mixed Color ……………………………………………………………………………………………………………………………………. Aluminum Gray
Shelf Life of Resin and Hardener (in original unopened containers) ……………………………………………………….. 2 years
TYPICAL PHYSICAL PROPERTIES (Cast Bar)
Tensile Strength ……………………………………………………………………………………………………………………………… 11,640psi (80MPa)
Tensile Elongation …………………………………………………………………………………………………………………………… 5%
Flexural Strength …………………………………………………………………………………………………………………………….. 19,560psi (135MPa)
Flexural Modulus …………………………………………………………………………………………………………………………….. 509,000psi (3,509MPa)
Compressive Strength ……………………………………………………………………………………………………………………… 15,290psi (105MPa)
Izod Impact Strength ……………………………………………………………………………………………………………………….. 5.8 (ft-lb)/ft
Hardness ……………………………………………………………………………………………………………………………………….. 90 Shore D
Heat Deflection Temperature @ 264 psi …………………………………………………………………………………………….. 220 F (104 C)
Heat Deflection Temperature @ 66 psi ………………………………………………………………………………………………. 229 F (110 C)
SP-707
HIGH TEMPERATURE
EPOXY SURFACE COAT
ALUMINUM FILLED
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SP-707 Tech PRODUCT BULLETIN CONT.
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POST CURE SCHEDULE
6 24 hours @ 77 F (25 C)
+2 hours @ 150 F (66 C)
+2 hours @ 200 F (93 C)
+2 hours @ 250 F (121 C)
+2 hours @ 300 F (149 C)
NOTE: The post cure schedule of the high-temp tooling epoxy laminate or casting system used with your surface coat would have
precedence over that of the surface coat. However, to attain suitable high temperature resistance and chemical resistance, the surface
coat is recommended to be post cured to a minimum of 200 F (93 C).
HEATING AND COOLING RATES DURING POST CURE
When oven curing laminated molds always place the mold in a room temperature oven, increasing the temperature at a rate of no more
than 50 F (30 C) per hour. When cooling, allow molds to remain in the heated oven, decreasing the temperature at a rate of no more than
50 F (30 C) per hour. Never remove the mold from the oven until temperature has been lowered to less than 100 F (38 C).
Once a mold has been heat cured and conditioned, and during the production curing cycles of composite parts or thermoplastic parts, you
can revert to the heating/cooling rates prescribed for the production resin or thermoplastic being processed.
SP-707 Tech/Revised 1/28/15
Supersedes 6/13/14
The information contained in this technical data sheet results from research and tests conducted in our laboratories under precise conditions. Seller
cannot anticipate all conditions under which seller s products, or the products of other manufacturers in combination with seller s products, may be used.
It is the responsibility of the user to determine the suitability of the Axson Technologies products, under their own conditions, before commencing with
the proposed application. In no event shall Axson Technologies, Inc. be liable for any direct, indirect, punitive, incidental, special, and/or consequential
damages, to property or life, whatsoever arising out of or connected with the use or misuse of our products.