Latex #80 has been manufactured according to the same time-tested formula that has been used by mold makers the world over, since the late forties. Latex #80 is suitable for making rubber molds by painting, brushing or spraying. Its major uses have been in the manufacture of models for the reproduction of sculpture and other highly sensitive works. • High latex stability and long storage life • Films that are tear resistant • Excellent resistance to sunlight • Exceptionally long runs when casting concrete, plaster, and wax • thickened with CECO powder.

is a vulcanizeable Natural Latex compounded from specially processed Latex with a solid content of between 68 and 70 percent, which minimizes shrinkage. Number 80 is therefore suitable for making rubber molds by painting, brushing or spraying. The special method of compounding, and its high solid content, permit reproduction of the finest detail. Its major uses have been in the manufacture resin figures, ornamental wax candles, and isostatic molding bags.
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Latex #660 (Pre-vulcanized Natural Latex)- Latex #660 is the pre-vulcanized form of #80. It was designed specifically for short-run polyester work. When polyester resins are cast into natural latex, a tackiness develops on the surface of the rubber and/or polyester cast. This is due to free sulfur not combining with the mold. The problem can be solved by using a pre-vulcanized latex such as #660, that contains no free sulfur on the surface. This avoids the necessity of an aluminum or plaster separator during the curing process. Click here for Tech Info.