LOW CTE SLUSH MOLDS WITH TEXTURED SURFACE, AND METHOD OF MAKING AND USING THE SAME

摘要

A rotomolding tool having a textured surface is provided. The tool comprises a shell having a body portion and an upper mold surface having a grain texture, at least the body portion comprising a nickel-iron alloy having a coefficient of thermal expansion of at most 5.O x 10~6 in/in/°F at temperatures between 100° and 500°F.