Full Physical Testing Capabilities including specific gravity, tensile, elongation, modulus and Shore A and IRHD Durometer measurement readings.
Click Here to reach out to our engineering team to discuss your physical test requirements.
Full Heat and Liquid Age Testing with multiple force convection lab ovens on site to handle multiple projects at one time.
Click Here to reach out to our engineering team to discuss your heat oven test requirements.
Low Temperature Brittleness Testing for evaluation of material at extreme application low temperatures.
Click Here to reach out to our engineering team to discuss your low temperature test requirements.
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Infrared Spectrophotometry, Thermogravimatric Analysis (TGA) Compressive Stress Relaxation, (CSRT) Electrical Conductivity, Abrasion Resistance, Adhesion Resistance and Finite Elemental Analysis are available.
Click here to reach out to our engineering team to discuss your test requirement.
A variety of physical testing is available for oil seals and other dynamic sealing products.
Click Here to learn more about our engineering facilities.
Laboratory offices are current under expansion but should be completed by June 2022 with January 2023 registration to ISO 17025
We are looking forward to customer tours soon.
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