Mar resistance tester for plastic and automotive parts
Whats/App: +86 156 1874 6768
Web: standard-groups.com
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) |
Features
Mechanically robust: Aluminum and solid stainless-steel construction ensures stability and durability
Surface treatment: Powder-coated and anodized finishes resist corrosion and wear
Precise loading system: Standardized weight assembly ensures repeatable and consistent results
Replaceable paperclip friction head: Simplifies consumable management and maintenance
Compact, bench-top design: Suitable for laboratory and R&D environments
Simple, intuitive testing: Allows for straightforward visual evaluation of surface damage
Versatile: Suitable for R&D, quality inspection, and benchmark testing
Test Procedures
Secure the sample on the test platform, ensuring flat contact.
Install the loading assembly and verify total weight matches the standard.
Attach the paperclip friction head correctly to the loading assembly.
Drag the sample linearly along the prescribed path under constant pressure.
Repeat the procedure for all four edges of the sample.
After testing, remove the sample and evaluate surface scratches, scuffs, and damage visually.
Record the results and assess material surface durability.
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