Laboratory Testing Services

McMasters Koss Team Coat

McMasters Koss offers a variety of physical testing services for rubber elastomers for engineering groups or customers.

Some testing services will have charges or fees and may require submission of fluids if customer requires testing in a fluid we do not have available.

Laboratory Test Equipment

Micro Hardness, Shore A Hardness and other Rockwell Scales can be tested and monitored for compliance and analysis purposes.

Initial submission physical properties or batch to batch compliance and be monitored and reported.

Tensile Testing for determination of material elongation, tensile and modulus under different elongation requirements is available.

Tensile testing after Air Age, Fluid Age and Ozone exposure will identify changes the materials will exhibit under test conditions.

Tensile Tester
ASTM Standards for O-Rings

Standard ASTM testing and customer specified testing can be quoted and performed.

We regularly test to most ASTM specifications and have worked with a significant number of OEM specific material or test requirements.

We have standard test fixtures available for testing of various material and have the capability to manufacture custom fixtures if needed.

A2LA, CNLA and TAF certified material results are available for PPAP submission.

McMasters Koss has provided thousands of level 3 PPAP’s to automotiive OEM’s and can meet your material certification requirements.

Please click here for information on McMasters Koss Level 3 PPAP capability.

McMasters Koss Material & Dimensional Report
  • McMasters Koss Bulk Parts Shipment
  • McMasters Koss Commercial O-Ring Inventory Hallway
  • Customer Specific O-Ring Inventory
  • McMasters Koss Bulk Inventory Area
  • Shipping Department
  • Pallet ready to ship
  • Durometer Tester
  • O-Ring Micro Vu Measurement
  • ASTM Specifications for O-Rings and Rubber Seals
  • McMasters Koss Global Shipping
  • McMasters Koss Headquarters Complex
  • Oil Seal Environmental Test Machine
  • Quad Rings
  • Fluorocarbon O-Rings and Seals
  • Extruded Rubber Gasket
  • Custom Molded Rubber Seals
  • O-Rings
  • McMasters Koss PPAP with APQP Manuals
  • White Rubber Balls
  • Molded Rubber Seals
  • Oil Seals
  • Custom Molded Seals
  • Extruded Rubber O-Rings