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Industry News
New AOC resin certified by NSF International

AOC's cobalt-free Vipel F010-H2O-00 vinyl ester has been certified to NSF/ANSI 61: Drinking Water System Components-Health Effects by NSF International, making it easier for manufacture of potable water applications.

Author:
Posted on: 5/14/2012
Source: CompositesWorld

AOC (Colliersville, Tenn., USA) reorted on May 14 that its new Vipel F010-H2O-00 vinyl ester has been certified to NSF/ANSI 61: Drinking Water System Components-Health Effects by NSF International, making it easier for customers to manufacture products for potable water applications. The resin’s cobalt-free formulation also is said to give it superior corrosion resistance for applications that contain sodium hypochlorite, or bleach.

The NSF/ANSI 61 standard establishes health effects requirements for products, components and materials used in drinking water systems. “Customers that fabricate products for drinking water use can be assured that this resin conforms to the health effects requirements for NSF 61,” says Fletcher Lindberg, business manager for Open Mold, Reinforced Resins. “This makes it faster and easier for those companies to obtain NSF Certification for their products. The Vipel F010-H2O data sheet describes the protocols for customers to follow to meet the requirements.”

Vipel F010-H2O uses a special catalyst that does not require a cobalt promoter. This feature makes the coating suitable for sodium hypochlorite containment. In contrast, composite materials that use cobalt-based promotion reportedly weaken over time when exposed to bleach or sodium hypochlorite.

“Since F010-H2O is formulated for sodium hypochlorite resistance, the composite equipment lasts longer and saves customers the cost of replacement,” explains Scott Lane, corrosion product leader. “This is a tremendous benefit for customers in the municipal water treatment sector where the use of sodium hypochlorite as a sanitizer is increasing.”

Vipel F010-H2O is used as a coating system in tanks that hold at least 4,000 gal (15,142 liters) and piping at least 6 inches (152 mm) in diameter. When the resin is formulated and processed according to specifications, the coating system is suitable for both potable water (as demonstrated by the NSF 61 certification), as well as sodium hypochlorite containment used in potable water systems.

 

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