Friction and wear testing is governed by a range of Japanese Industrial Standards (JIS), ISO standards, and ASTM standards. Selecting the correct standard for your application is the first step in designing a reliable test.
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JIS K 7125 — Plastics Films and Sheets: Friction Coefficient
JIS K 7125 (ISO 8295) specifies the method for measuring the static and kinetic friction coefficients of plastic films and sheets. The sled method is used, in which a weighted sled covered with the film specimen slides over another film specimen at a defined speed. This standard is widely applied in packaging film, agricultural film, and industrial film quality control.
Key conditions: Load 200 g, speed 100 mm/min, 23°C / 50% RH
JIS K 5600-5-4 — Paints: Scratch Hardness (Pencil Method)
JIS K 5600-5-4 (ISO 15184) specifies the pencil method for evaluating the scratch hardness of paint coatings. A pencil of defined hardness grade is pressed against the coated surface at a 45° angle with a 750 g load. The hardest grade that does not scratch the surface is reported as the pencil hardness.
JIS K 7317:2022 — Plastics: Scratch Hardness of Functional Films
JIS K 7317:2022 specifies a more reproducible scratch hardness test for plastic functional films using a diamond indenter. It was developed specifically for optical films, hard coats, and display films where the pencil method lacks sufficient precision. See our dedicated article: What is JIS K 7317:2022?
ASTM D1894 — Standard Test Method for Static and Kinetic Friction
ASTM D1894 is the U.S. equivalent of JIS K 7125 for measuring static and kinetic friction coefficients of plastic films and sheeting. Widely referenced in international trade and export quality specifications.
Other Relevant Standards
- ISO 12137-2:1997 — Paints and varnishes: Scratch resistance, pendulum method
- ASTM D2197 — Adhesion of organic coatings by scrape adhesion
- ISO 8251 — Anodic oxidation coatings on aluminum: abrasion resistance
- JIS H 8682-1 — Anodic oxide coatings on aluminum: abrasion resistance test
- ASTM D4060 — Abrasion resistance of organic coatings by the Taber abraser
Related Products
Surface Property Tester TYPE:14FW
JIS K 7125 / ASTM D1894 compliant friction measurement
Surface Quality Measuring Machine TYPE:38
JIS K 5600-5-4 pencil hardness tester
Steel Wool Durability Tester TYPE:38F
JIS K 7317:2022 dedicated tester