News

New American Chemet building going up in East Helena

American Chemet Corporation is a global leader in producing metal-based products that reduce greenhouse gas emissions and make industries more efficient.

American Chemet Supports East Helena Elementary School Suicide Prevention Program

American Chemet and Blue Cross Blue Shield of Montana provided almost $17,000 in grant funding to train Kindergarten through third grade teachers on the PAXIS Institute Good Behavior Game last month. Teachers in Kindergarten through third grade will implement the program with a goal to develop coping skills for social, emotional and behavioral challenges that will last a lifetime

Antifouling Copper Approval Ensures Savings, Performance

Sep 20, 2016 12:31 PM

Jotun believes the European Union’s decision to approve the use of copper in marine antifoulings will ensure continued delivery of powerful benefits for both the shipping industry and environment. Copper is a key ingredient of most antifouling coatings, valued for its ability to provide the best overall balance of environmental protection and cost savings.

Marine Coatings: Making Sense of Copper-Based Antifouling Regulations

“Biofouling control has tremendous environmental benefits that range from energy savings to slowing the spread of invasive species. Over regulating copper-based antifouling coatings—the most proven and utilized [marine] coatings in the world, which have been universally approved by numerous countries worldwide based on the results of exhaustive human health and environmental studies—is questionable.

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Copper in Antifoulings

This article gives an updated overview of the use of copper in antifouling paints. In the first part, the worldwide regulatory status is summarized, for both commercial vessels and pleasure craft, based on the results from the detailed scrutiny of copper that has been undertaken by regula- tors in recent years in countries such as the United States, Australia, New Zealand and the EU.

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Paging Dr. Copper

Copper is used in everything from automobiles to air conditioners, but it has one property that makes it especially attractive for medical uses: It kills bacteria.

Copper in Aquaculture

Discussion on Copper in the Aquaculture Environment, Total versus Bioavailable.

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Deriving Safe Levels of Copper

The multiple uses of copper and copper compounds necessitate an assessment of risks from exposures to the marine compartments. The sediment compartment is the sink for much of the copper released into the aquatic environment, therefore realistic safe levels are required for the purposes of Risk Assessment.

Marine Paint Friend or Foe

May 01, 2015 10:06 AM

A number of studies were reviewed that investigate copper concentration in ocean water, sediments and organisms.

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Copper in the Ocean Environment

May 01, 2015 09:51 AM

A number of studies were reviewed that investigate copper concentrations in ocean water, sediments and organisms. The purpose of reviewing the studies was to compare natural versus anthropogenic copper concentrations. It was found that large variations in concentrations do occur in ocean water, sediments and organisms due to both naturally occurring and anthropogenic copper.

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