AEROMARINE PRODUCTS AM128 POURABLE SILICONE RTV MOLD-MAKING RUBBER

1 GALLON SIZE KIT = 8.8 LBS


AeroMarine Products AM128 Silicone RTV Rubber-Pourable 1 gallon size kit (8.8 lbs.) of silicone rubber for making molds.  Use it for making molds for industrial parts, concrete stamps, figurines, soap, candles, etc.  It is very flexible, with a durometer of 28 Shore A. The AM128 flows very nicely and picks up incredible detail.  

Please note: Our silicone RTV rubber is sold by weight.


**AM128 Pourable is a 10:1 mix ratio by weight.  You must use a digital gram scale for the correct measurements.**

Among the many things you can cast into molds made of  AM128 Silicone RTV Rubber Pourable are:
  • Urethane (polyurethane)
  • Polyester resin (decreases mold life)
  • Plaster
  • Hydrocal, Hydrostone
  • Low melt metals like pewter or  bismuth tin (decreases mold life)
  • Cement, Concrete (decreases mold life)
  • Epoxy (decreases mold life)
  • Soap
  • Waxes


**Silicone does stick to itself, glass and anything made of or containing silica.  Please use a petroleum based mold release if you are pouring silicone into a silicone or silica based mold.**


ALWAYS SHAKE PURPLE CATALYST VERY VIGOROUSLY FOR 90 SECONDS BEFORE POURING.  POUR CATALYST IMMEDIATELY AFTER SHAKING IT!


Typical Properties:

Color:   Purple
Mix Ratio:   10:1 by weight
Pot Life:   45 Minutes
Tack Free Time:   6-8 hours
Demold Time:   16-24 hours
Tensile Strength:   >400 psi
Elongation:   >500%
Tear B:   ~110 pounds per inch
Useful Temperature Range:   -60F to 300F

The silicone resin base is white/beige, and the catalyst is purple. 



Please contact us before buying if you have any questions.  Check our other Ebay listings for related casting and moldmaking supplies. 


RETURNS: 30 Day return policy, buyer pays return shipping.


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