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Tuffalloy™ 4270 Series

  • Tuffalloy™ 4270 series are low viscosity Liquid Molding Compounds with outstanding physical properties such as high impact, high heat distortion, and high tensile strength.
  • The 4270 Series is available in 4 speeds; 15, 7, 2, and 1 minute. The user has the ability to use a slower speed initially and increasing to a faster speed when using meter-mix dispensing equipment.
Physical Properties Tuffalloy 4270 Tuffalloy 4272 Tuffalloy 4274 Tuffalloy 4275
Mix Ratio by Volume A:B 100:100 100:100 100:100 100:100
Mix Ratio by Weight A:B 100:85 100:85 100:85 100:85
Gel Time 100 grams @ 25˚C 15 min. 7 min. 2 min. 1 min.
Color (cured) Light Brown Opaque Light Brown Opaque Light Brown Opaque Light Brown Opaque
Hardness Shore 84 D ± 3 84 D ± 3 84 D ± 3 84 D ± 3
Viscosity mixed at 25˚C cps 300 ± 50 300 ± 50 300 ± 50 300 ± 50
Specific Gravity mixed at 25˚C 1.13 1.13 1.13 1.13
Shrinkage .0005 – .003 .001 – .004 .002 – .008 .003 – .012
Demold Time @ 70˚F 1/8″ thick 6-8 hours 1.5-2 hours 8-20 min. 5-12 min.
Weight per cubic inch (lbs) 0.0408 0.0408 0.0408 0.0408

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Tuffalloy Products

Hapco Inc.

Tuffalloy 4275

$77.08$989.34
$76.77$988.60