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Nyseal is a patented pre-applied permanently fused fastener underhead
sealing element.
Green-colored Nyseal creates a gasket-type seal, preventing leakage of fluids
and gases under pressures up to 500 psi. The coating is permanently fused on
the bearing surface of the fastener. As the screw is seated to its final position
against the mating part, the Nyseal element compresses slightly and fills the
void under the bearing surface of the head and countersink/counterbore.
Nyseal was developed as a solution to a need for a highly durable fastener
sealing element that could perform under high pressure and was resistant to a
wide variety of chemicals. It eliminates the need and cost of secondary
application during the assembly process.
Prelok engineers are available to assist in recommending the correct sealant
solution for your application.
Product Guide
We currently process a range of Headed Components.
We offer a complete Plate and Patch service.
This is a general guide to the products we currently process. We are able to process other components subject to evaluation.
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