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Dragon Skin™ 10 FAST

Dragon Skin™ 10 FAST vs. Smooth-Cast™ 321

Addition Cure Silicone Rubber Compound

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Smooth-Cast™ 321

Dragon Skin™ 10 FAST vs. Smooth-Cast™ 321Dragon Skin™ 10 FAST

Off-White, Ultra Low Viscosity Liquid Plastics

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Key Differences

Product Type
  • Silicone Rubber - Platinum Cure
  • Flame Rated Materials
  • Skin Safe FX Materials
  • Urethane Resins
Mixed Viscosity23,000 cps80 cps
Cure Time75 minutes30 minutes
Shore D Hardness70
Shore A Hardness10
ColorTranslucentOff White
Tensile Strength475 psi3,000 psi
Elongation @ Break1,000 %8 %
Disclaimer
Although we do our best to ensure accuracy, Smooth-On offers no warranties, promises, and/or representations of any kind, either expressed or implied, as to the accuracy, completeness, or reliability of the information contained on this Compare Tool, nor suitability of the information contained herein to your particular circumstances. Smooth-On assumes no liability for losses or damages of whatever nature (direct, indirect, consequential or other) associated with your use, or inability to use, the Compare Tool, or from your use (or failure to use) the information contained herein. Other useful tools include product technical bulletins and our extensive FAQ section. You can also contact our technical support team.

All Technical Data

Dragon Skin™ 10 FASTSmooth-Cast™ 321
Product Type
  • Silicone Rubber - Platinum Cure
  • Flame Rated Materials
  • Skin Safe FX Materials
  • Urethane Resins
Mixed Viscosity23,000 cps80 cps
Mix Ratio By Volume1A:1B1A:1B
Mix Ratio By Weight1A:1B100A:90B
Pot Life8 minutes9 minutes
Cure Time75 minutes30 minutes
Shore D Hardness70
Shore A Hardness10
Specific Gravity1.07 g/cc1.05 g/cc
Specific Volume25.8 cu. in./lb.26.4 cu. in./lb.
ColorTranslucentOff White
Die B Tear Strength102 pli
Tensile Strength475 psi3,000 psi
Tensile Modulus138,000 psi
Elongation @ Break1,000 %8 %
100% Modulus22 psi
Compressive Strength3,550 psi
Compressive Modulus40,300 psi
Flexural Strength3,500 psi
Flexural Modulus110,000 psi
Shrinkage<.001 in. / in.0.007 in. / in.
Heat Deflection Temp140 °F
Useful Temperature (min)-65 °F
Useful Temperature (max)450 °F
Dielectric Strength>350 volts/mil

Product Description

Dragon Skin™ 10 FAST

Dragon Skin™ silicones are high performance platinum cure liquid silicone compounds that are used for a variety of applications ranging from creating skin effects and other movie special effects to making production molds for casting a variety of materials. Because of the superior physical properties and flexibility of Dragon Skin™ rubbers, they are also used for medical prosthetics and cushioning applications. Dragon Skin™ rubbers are also used for a variety of industrial applications and have a service temperature range of a constant -65°F to +450°F (-53°C to +232°C)

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Smooth-Cast™ 321

The Smooth-Cast™ 320 Series consists of ultra-low viscosity casting resins that yield virtually bubble-free off-white castings. The Smooth-Cast™ 320 resins are sister products to our popular Smooth-Cast™ 300 Series of bright white plastics, but are easier to color using SO-Strong™ or Ignite™ color tints. Smooth-Cast™ 320 series is easy to mix and pour, offering the convenience of a 1A:1B by volume or 100A : 90B by weight mix ratio.

The Smooth-Cast™ 320 Series resins readily accept pigments and fillers (such as URE-FIL™ 3, 5 and 7 from Smooth-On). Fully cured castings are tough, durable, machinable and paintable. They resist moisture and mild solvents. Applications for Smooth-Cast™ 320 Series resins include reproducing small to medium size sculptures, making prototype models, special effect props, decorative jewelry and taxidermy (bones, antlers, teeth etc.).

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Flame Rated Materials ›

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Skin Safe FX Materials ›

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