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PolyTek

PlatSil 73-15 Silicone Rubber 2 lb

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$50.00

TL Item#: 107145 Category: Mold Making & Casting

PlatSil® 73-15 Silicone Rubber is a two-part, platinum-catalyzed, liquid silicone system that cures (RTV) to a white translucent, Shore A15 rubber. The transparent nature of the cured rubber makes it a good option for molds that need to be cut after cured – because the model is visible, parting lines can be better determined. It is also very useful when casting intricate parts to ensure that the entire mold cavity has been filled with casting material. This is a pourable rubber, but it can be easily thickened with PlatThix Liquid Thickener or Fumed Silica for brush-on application.

Technical Specifications

  • Mix Ratio by Weight: 1A:1B
  • Shore Hardness: A15
  • Pour Time: 20 min.
  • Demold Time: 4-5 hr.
  • Cured Color: White Translucent
  • Mixed Viscosity: 2,500 cP
  • Specific Volume: 25 in³/lb
  • Specific Gravity: 1.1
  • Elongation: 640 %
  • Tensile Strength: 265 psi
  • Die B Tear Strength: 55 pli
  • Die T Tear Strength: 17 pli
  • Cure Inhibition: Contamination from sulfur (e.g., sulfur-based clay), amines, tin compounds, cured polyester resin, some paints and some silicone rubbers may inhibit surface cure of platinum-cured rubbers.

FOR INDUSTRIAL/PROFESSIONAL USE ONLY.

NOTE: While Techland takes steps to ensure accuracy in it's product listings and images, any color samples or lamp and product images shown on this website are for reference only, may not be exact and may vary from the actual product look and/or color.

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