Multi-Finger Scratch/Mar Tester
Multi-finger scratch/wear testers are widely used in materials science, engineering, automotive manufacturing, optics, and biomaterials. They are used to evaluate the interfacial bonding strength, scratch resistance, wear mechanisms, and failure modes of coatings, films, or bulk materials. These testers provide parameters such as material hardness, elastic modulus, toughness, adhesion, coating strength, and fracture toughness, helping to optimize coating processes and determine film-substrate adhesion.
Standards
Chrysler LP-463DD-18-01 Scratch and Mar Resistance of Automotive Plastics
Chrysler PF-10938 Scratch and Mar - Resistance of Molded-In-Color Plastic Components
Ford BN 108-13 Resistance to Scratching
Ford BO 162-01 Resistance to Scratch and Mar
General Motors GMN 3943 Scratch and Mar Resistance of Plastics, Five Arm Test
General Motors GMW 14698 Scratch Resistance of Organic Coatings and Self- Adhesive Foils
Nissan M0159 Testing Method of the Scratch Resistance of Interior Polypropylene Resin Part
China: GB/T 2918. GB/T 6151. GB/T 8424.3
Europe: PV3952. BMW GS97034-2. BMW GS97034-9
North America: GMN 3943-2003. FLTM BN 108-13. STD1024-3113. GMW 14698-A, GMW 14688
Technical Parameters
| Parameter | Specification |
|---|---|
| Test Load Range | 0–100N (adjustable in 1N increments) |
| Scratch Speed | 10–200mm/s (programmable) |
| Scratch Head Options | 1mm, 5mm, 10mm tungsten carbide |
| Power Supply | 220V/50Hz (110V optional) |
| Control Interface | 7-inch color touchscreen (bilingual) |
| Instrument Dimensions | 550mm (L) × 400mm (W) × 300mm (H) |
| Net Weight | 28kg |
| Compliance Standards |
Over 15 global automotive norms |
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