Cortec Corporation has announced a new Super Barrier version of its EcoShield VpCI-144 paper for protecting metal parts from corrosion. The EcoShield VpCI-144 Super Barrier combines the corrosion protection of VpCI paper coating with a high gloss water-based barrier coating that prevents moisture from reaching metal parts wrapped inside the paper.

Corroson protection paper launchedAccording to the company, the enhanced moisture barrier of EcoShield VpCI-144 Super Barrier is an environmentally friendly alternative to polyethylene and waxed papers. Under recent ASTM E-96 testing, EcoShield VpCI-144 Super Barrier exhibited a water vapor transfer rate (WVTR) highly comparable to that of polycoated paper, Cortec said in a statement.

Past testing has also shown EcoShield VpCI-144 Super Barrier to rival the moisture barrier properties of polycoated paper and commercial waxed paper. Poly and wax coatings are not recyclable through normal channels, but EcoShield VpCI-144 Super Barrier paper is environmentally safe and fully recyclable/repulpable into other types of paper products such as boxes, cardboard, and other corrugated materials.

EcoShield VpCI-144 Super Barrier combines corrosion protection, moisture barrier properties, and oil and grease resistivity into one material to protect both ferrous and non-ferrous metals. This eliminates the need to inventory multiple types of papers for different types of metal.

VpCIs on the inside face of the EcoShield VpCI-144 Super Barrier paper vaporise and condense on metal surfaces to form a thin protective film that doesn’t influence the physical properties of sensitive electrical and electronic components, including conductivity and resistivity. The protective film does not need to be removed prior to further surface finishing or coating application, and protected parts can be painted, welded, or soldered.

The product is useful in a variety of different applications. These include metal production such as coils, wire reels, plate, and bar; metal forging and die casting of raw and machined forgings and castings; metalworking such as stamping, sheet metal work, springs, bearings, fasteners, tubes, pipes, jewelry, and silverware; products such as engines, machinery, equipment, tools, hardware, appliances, instruments, and motors; as well as electrical and electronic products such as components, controls, and printed circuit boards.

Protected metals include carbon steel, stainless steel, galvanized steel, cast iron, aluminum alloys, copper
brass and solder.

EcoShield VpCI-144 Super Barrier is made from neutral natural kraft paper without the use of chlorine or other bleaching chemicals. It contains no nitrites, phosphates, silicones, chromates, other heavy metals, or toxic products.



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