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Mold Making

Molding Compounds

High Strength 3 RTV Mold Making Rubber

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High Strength 3 RTV Mold Making Rubber

by Alumilite

HSIII mold rubber recreates minute details, is chemical resistant, very durable and easy to work with. HSIII is a high tear strength RTV rubber with exceptional flexibility and tear strength. Great for molds with deep undercuts. RTV mold rubber vulcanizes (cures) at room temperature in 24 hours. This kit contains enough catalyst and rubber base to mix 1 pound of mold making powder. You should get 30 to 50 parts per mold. Mold making instructions not included, recommended for advanced mold makers.

Product specifications:
Mix Ratio 10:1
Mixed Viscosity 150
Specific Gravity 1.16
Pot Life 2 hrs.
Demold Time 24 hrs.
Platinum/Tin Cure Tin
Hardness 10
Color Pink
Linear Shrink (%) .48
Tear Strength (ppi) 110
Elongation 575%
Tensile Strength (psi) 400
Temperature Range (F) -67-392

Average User Rating: Based on (2 Reviews)

J B. from Port Allen, LA says:

Good, tough, stuff. This stuff is a lot harder than some other mold making material that I've worked with. Very tear resistant. Somewhat messy and difficult to work with because it's so thick (like...[more]

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	Item#	size	description	Manufacturer Number	List Price	Non-Member Price	VIP Member Club Price	Quantity
	22813	1 lb.	HSIII RTV	20500	$24.76	$22.28 10% Off	$21.05 15% Off

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Customer Product Reviews

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Rated by: J B. in Port Allen, LA

Rated by: Graphi . in ,

Highly recommended product! Cures at "Room Temperature Vulcanization" = RTV Although this product says it is recommended for advanced mold makers... It is really quite easy and safe to use. Excellent Product at a realistic price!

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