High Copper-Based Alloys

AMPCOLOY® 940 and 944.

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AMPCO Metal, Inc. (Arlington Heights, IL) showcased its two high copper based alloys—AMPCOLOY® 940 and 944—recognizing that the plastic injection mold industry is a key market segment for the continued growth of the company. Each alloy is beryllium free.

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Are Copper Beryllium Molds Safe?

One study indicates that there is little risk of transfer of beryllium to the finished molded-plastic product.