EN-Based Coating Provides Improved Mold Release

BN Shield permanent mold release from Square One Coating Systems is a composite electroless nickel coating that incorporates submicron boron nitride particles throughout.

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BN Shield permanent mold release from Square One Coating Systems is a composite electroless nickel coating that incorporates submicron boron nitride particles throughout.  When incorporated with an underlayer of high-phosphorus electroless nickel, the mold release is said to provide improved release, wear, lubricity and corrosion protection.

Well-suited for plastic molding markets, the electroless nickel-based process provides precise coating uniformity over the entire mold surface, unlike processes such as chrome plating, the company says. Electroless nickel also is less expensive than chrome.

According to the company, BN Shield users have experienced extended mold life, decreased cycle times and decreased downtime. In addition, poor release on softer rubbers and plastics is said to be either minimized or eliminated.