Scratch Scuff Mar Finish Tester
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Whats/App: +86 185 0176 3615
Web: qinsun-lab.com
The Scratch Scuff Mar Finish Tester is designed to evaluate the scratch, scuff, and mar resistance of materials such as automotive paints, coatings, plastics, and decorative finishes. It simulates mechanical contact and friction under controlled conditions, providing quantitative and qualitative assessment of surface durability and appearance retention. This tester complies with automotive standards, including General Motors GM-9150P, to ensure materials meet required performance levels.
Standards
This tester is suitable for testing according to:
(1) GM 9150P – Scratch and scuff resistance for automotive materials
(2) GMW14130 – Surface abrasion and scuff resistance
(3) ISO 1518 – Paints and varnishes—Scratch resistance methods (reference)
(4) ASTM D7027 – Coatings and finishes surface abrasion and scuff evaluation (reference)
(5) SAE J400 – Automotive material surface durability evaluation (reference)
Parameters
| Parameter | Unit | Value / Description |
|---|---|---|
| Test Sample Size | mm | 300 × 300 |
| Applied Load | g | 750 (including pressure bar, paperclip, washer, screw, and nut) |
| Test Method | – | Linear drag of sample with vertical applied load |
| Test Directions | – | Four edges of the sample, reciprocal motion |
| Construction Material | – | Aluminum alloy and solid stainless steel |
| Device Weight | kg | 2.0 |
| Dimensions | mm | 180 × 180 × 100 |
| Power Supply | – | Not required (manual operation) |
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