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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 wax, gypsum, low melt alloys/metals and urethane, epoxy or polyester resins. Important; Do not cast concrete into rubber molds made with this product. Concrete will not cure properly and inhibition will result.
Important; you must weigh Part A & B components using a gram scale to be successful with Mold Max™ 29NV.
Mix Ratio By Weight 100A:10B
Specific Gravity 1.17 g/cc
Specific Volume 23.7 cu. in./lb.
Pot Life 40 minutes
Cure Time 6 hours
Shore Hardness 29 A
Tensile Strength 417 psi
100% Modulus 54 psi
Elongation @ Break 361 %
Die B Tear Strength 96 pli
Shrinkage 0.002 in. / in.
Useful Temperature (max) 400 °F
Useful Temperature (min) -65 °F
Dielectric Strength >500 volts/mil
Dielectric Constant, 100Hz 3.4
Dissipation Factor, 100Hz 0.02
Volume Resistivity 9.000000E+14 ohm/cm
Thermal Conductivity 0.21 W/M*K
Mixed Viscosity 10,000 cps