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Test Blocks
Accuracy starts with a trusted reference. Opti-Tech Scientific provides Canadian labs, manufacturers, and quality control teams with Buehler’s Wilson-certified hardness test blocks for every major method—Rockwell, Vickers & Knoop, Brinell, and universal testing systems. Each block is precision-manufactured and calibrated to exact ASTM and ISO specifications, giving you the confidence that your results are right the first time, every time. Whether you’re verifying day-to-day performance or meeting strict audit requirements, our Canadian-supplied test blocks deliver consistency you can measure—and reliability you can prove.
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Wilson Vickers and Knoop Hardness Test Blocks
Wilson Vickers and Knoop hardness test blocks set the standard for the industry and are made from the highest quality material to insure the most uniform and repeatable blocks available.
Wilson Rockwell Hardness Test Blocks
Wilson Rockwell hardness test blocks set the standard for the industry and are made from the highest quality material to insure the most uniform and repeatable Rockwell test blocks available.
Wilson Brinell Hardness Test Blocks
A comprehensive variety of scales and blocks are available to meet the wide ranges and hardness scales associated with Rockwell®, Brinell, Knoop and Vickers testing.
Rockwell Hardness Testing Calibration Kits
Rockwell Hardness Testing Calibration Kit contain three test blocks (low, medium, and high), an indenter, and a case. Each component can also be purchased separately and has its own part number.
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Known for service-excellence, we don’t just supply the tools, we assist you in gaining proficiency with our products through our dedicated training program.