Mold Max 40 High Performance Molding Silicone

Mold Max 40 High Performance Molding Silicone

Mold Max 40 High Performance Molding Silicone are tin-type silicone compounds with exceptional working properties and shelf lives. Mold Max® Silicones, which come with Smooth-On's "Libra®" catalyst, can thus offer a long shelf life.

Mold Max® silicones can be colored with Silc Pig® silicone colorants. Cast silicones have a pot life of 45 minutes and the Silicone cures overnight at room temperature. Vacuum degassing using a vacuum pump and chamber is recommended to remove trapped air.


General Features

  • Mold Max® Silicones; Many industrial and artistic applications, including prototypes, furniture, sculpture and architectural element molds, with the finest details
  • can model. Mold Max® Silicones; Can be used for casting (without mold release) of many materials including wax, gypsum, low melting alloys / metals, urethane, epoxy or polyester resins.

Not compatible with THI-VEX® Mold Max® 40 silicone.

IMPORTANT:When using Mold Max® silicones, you must weigh Part A and B components using a precision scale to get the correct result.

Technical Specifications

  • Specific Gravity: 1.14 g/cc
  • Specific Volume 1.51 m3/kg (24.3 cu. in./lb.)
  • Mixture Life: 45 minutes
  • Curing Time: 24 hours
  • Shore A Hardness: 40
  • Tensile Strength: 37.92 Bar (550 psi)
  • 100% Modulus: 13.10 Bar (190 psi)
  • Reach at Break: 250 %
  • Die B Breaking Force: 120 ply
  • Drain Allowance: <,0.004 in. / in.
  • Mixing ratios by weight: 100A:10B
  • Color: Mint green
  • Usable Temperature (min): -53°C (-65°F)
  • Usable Temperature (max.): 204°C (400°F)
  • Mixture Viscosity: 45,000 cps
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