The Electric Crocking Tester – GenCrock has a friction head diameter of Ø16°0, 1mm. With this specific diameter, consistent contact is provided between the wheel and the specimen, which results in accurate and uniform abrasion across the entire surface of the specimen.

The diameter of the friction head plays a key role in replicating the effect of typical friction on materials, allowing for a precise assessment of colorfastness. With this exact measurement, GenCrock offers standardized conditions that help produce reliable and reproducible test results for different samples and testing sessions.

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