Seal Design for efficient manufacturing and print development for APQP production consistency.
Design assistance for new products and predictive analysis of failure modes or design weaknesses is available.
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Complete CAD Solidworks and 3D Design Services with print creation and mating surface analysis for compatibility.
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Rapid Prototyping available for quick production of parts needed for testing and approval.
Rotary testing with optional abrasive slurry to validate impact of road debris or exterior contaminates on sealing environment.
Lifespan testing for abrasion, and estimating life expectancy of oil seals in anticipated physical environments.
Determination of failure modes can allow longevity analysis, prediction of failure modes and warranty requirements.
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Oil Seal Environmental Test Chamber for evaluation of seal performance under various use temperatures and measurement of lifespan.
Allows evaluation of materials under different temperature ranges for proper choice and understanding of failures modes and possible warranty requirements.
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Tensile Testing for determination of material elongation, tensile and modulus under different elongation requirements.
Physical performance of elastomers and rigid steels and thermoplastics can be judged before and after exposure conditions that might weaken or degrade materials.
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Mill for construction of in house fixtures for installation of oil seals and gaskets within test chambers.
In house construction allow quick use of necessary fixtures to ensure consistent fit within test chambers or simulating final product installation.
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Turn Lathe for construction of metal rings and mating surfaces for oil seals and rounded seal components
In House construction allows quick use of necessary fixtures to allow testing of oil seals in final mating surfaces when not yet available or not efficient to obtain customer used mating surfaces.
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Durometer testing of elastomers and thermoplastics to verify conformance and verify changes that occur after test exposure.
Durometer specifications can be monitored shipment to shipment or before and after test regimens.
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Low and High temperature cycling chamber for material testing within planned material operating conditions.
Physical Testing as well as long term exposure testing for baseline performance, anticipate lifespan of product or other customer requirements.
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Please mind our dust..
We are still working on improvements within our engineering area and anticipate future fluid, ozone, low temp TR10 test capabilities in the next 12 months.We look forward to future tours of our engineering facility and working on many testing projects for customers and outside organizations.
Please see our Corona Virus (Covid-19) Safety Notification for availability of facility visits.
McMasters Koss Bulk Parts Shipment 
McMasters Koss Commercial O-Ring Inventory Hallway 
Customer Specific O-Ring Inventory 
McMasters Koss Bulk Inventory Area 
McMasters Koss Bulk OEM Storage Facility 
McMasters Koss JIT Delivery System 
McMasters Koss Durometer Testing Center 
McMasters Koss Inspection Capabiltiies 
ASTM Specifications for Testing and Compliance 
McMasters Koss Global Shipments 
McMasters Koss Headquarters Complex McMasters Koss Oil Seal Environmental Test Chamber 
Custom Molded Rubber Seals 
Fluorocarbon O-Rings and Molded Seals 
Extruded Rubber Gasket 
Custom Molded Rubber Seals 
O-Rings 
McMasters Koss APQP Compliance 
Custom Molded Ball Seals 
Custom Molded Rubber Seals 
Oil Seals 
Custom Molded Rubber Seals 
Custom Molded Rubber Seals 
Extruded Rubber Seals