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Mold Max™ 29NV

EZ-Spray® Silicone 22 vs. Mold Max™ 29NVEZ-Spray® Silicone 22

Low Viscosity Tin-Cure Silicone Mold Rubber

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Key Differences

Product Type
  • Silicone Rubber - Platinum Cure
  • Silicone Rubber - Tin Cure
Mix Ratio By Volume1A:1BN/A (gram scale required)
Pot Life5 minutes40 minutes
Cure Time45 minutes6 hours
ColorTranslucent GreenYellow
Although we do our best to ensure the accuracy of this Compare Tool, Smooth-On offers no warranty either expressed or implied as to the reliability of the information contained herein. Smooth-On assumes no liability for loss or damage associated with use of the Compare Tool. If this is a critical project, we encourage you to review all of the technical data below and contact our Technical Service department with any questions or concerns.

All Technical Data

EZ-Spray® Silicone 22Mold Max™ 29NV
Product Type
  • Silicone Rubber - Platinum Cure
  • Silicone Rubber - Tin Cure
Mixed Viscosity11,000 cps10,000 cps
Mix Ratio By Volume1A:1B
Mix Ratio By Weight100A:10B
Pot Life5 minutes40 minutes
Cure Time45 minutes6 hours
Shore A Hardness2229
Specific Gravity1.08 g/cc1.17 g/cc
Specific Volume25.6 cu. in./lb.23.7 cu. in./lb.
ColorTranslucent GreenYellow
Die B Tear Strength102 pli96 pli
Tensile Strength490 psi417 psi
Elongation @ Break450 %361 %
100% Modulus49 psi54 psi
Shrinkage<.001 in. / in.0.002 in. / in.
Useful Temperature (min)-65 °F-65 °F
Useful Temperature (max)500 °F400 °F
Volume Resistivity9.000000E+14 ohm/cm
Dielectric Strength>500 volts/mil
Dissipation Factor, 100Hz0.02
Dielectric Constant, 100Hz3.4
Thermal Conductivity0.21 W/M*K

Product Description

EZ-Spray® Silicone 22

EZ~Spray® Silicone 22 are sprayable silicones which cure quickly to soft rubbers with high elongation and tear strength. Liquid silicone is sprayed through the EZ~Spray® Junior Cartridge System which is an economical alternative to expensive spray equipment. After a suitable thickness is attained, EZ~Spray® Silicone 22 cures in about 45 minutes. EZ~Spray® Silicone cures with negligible shrinkage to strong, durable silicone rubbers good for production casting of polyester, epoxy or urethane resins, gypsum, concrete and other materials.

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Mold Max™ 29NV

Mold Max™ 29NV is a Shore 29A tin-catalyzed silicone mold rubber that offers low viscosity, fast cure and long library life.
Mold Max™ 29NV does not require vacuum degassing. Mix ratio is 100A:10B by weight. Working time is 45 minutes and cure time is 6 hours at room temperature.
Mold Max™ 29NV will reproduce the finest detail and is suitable for a variety of industrial and art related applications including making molds for reproducing prototypes, furniture, sculpture and architectural elements. Cure time can be reduced with Accel-T™ cure accelerator. Mold Max™ 29NV can be used to cast a variety of materials including concrete, wax, gypsum, low melt alloys/metals and urethane, epoxy or polyester resins.
Important; you must weigh Part A & B components using a gram scale to be successful with Mold Max™ 29NV.

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