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Polyurethane Gaskets

At Hennig Gasket & Seals, we will manufacture the polyurethane gasket or seal you need with competitive pricing and no tooling charges. Whether you have a drawing or you need us to reverse engineer from a sample part, we will have your gasket or seal fabricated quickly. Our in-house capabilities reduce production cycle time from receipt of order to final delivery, and we use advanced technologies to ensure your order meets all critical dimensions.

Over 100 years in business, we know what it takes to provide the best customer service in the industry. We offer precision cutting, and the same service to all customers no matter how big or small the job. Our customer base is throughout the world, as our high performance polyurethane gaskets have become popular with manufacturers everywhere. We are a strong company, built on a solid foundation of hard work and experience. We stand by our product and we guarantee your 100% satisfaction.

Polyurethane Gasket & Seal Material

Polyurethane is often interchangeably referred to simply as “urethane”.  However, polyurethane does not contain, nor is produced from, ethyl carbamate.  Polyurethane is often the material solution when the gasket or seal needs to be soft like rubber or hard like plastic but endure environments neither a rubber gasket or plastic gasket could survive.  The material characteristics of polyurethane make it better resistant to abrasions, cuts, cracking, oil, grease, chemicals, high impact and heavy loads.  It is virtually immune to ozone and oxygen.  Applications for polyurethane gaskets and seals include wear pads, electrical equipment, machine mounts, vibration damping and shock absorption.

Specifications of the Polyurethane Rubber Sheet material:
Polymer: Polyurethane Diisocyante
Durometer Rating (hardness): 60A, 70A, 80A, 90A (custom up to 70D)  
Temperature Range: -25°F to +250°F 
Tensile Strength: 
Finish: cast sheets 
Widths: 12", 24", 48" 
Gauge (thickness): .005" up to 2" 
Pressure Sensitive Adhesive (PSA):  available upon request
Grades: standard, precision, food grade 
Additional Polyurethane Gasket Material Available:  Yes

Polyurethane Gasket Material Grades

Standard – thickness tolerance of  +/-0.030”, FDA approved for wet and dry food applications

Precision – tight thickness tolerance of +/-.005” (as requested to +/-.001”), free of wax and mold release, FDA approved for wet and dry food applications.

Polyurethane Gasket Fabrication Process

Hennig Gasket and Seals utilizes a variety of cutting methods to custom fabricate your polyurethane gasket either from your supplied material or from our large inventory or polyurethane stock material.  Our in-house capabilities include waterjet cutting, flash cutting, die cutting and hand cutting.  Our experts can help guide you through the correct material selection to determine which polyurethane, rubber or plastic gasket material is best suited for your application.  Contact us today.