Multi-Finger Scratch/Mar Tester

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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

Product Advantages

Universal Applicability: Designed for scratch resistance testing of automotive interior materials including plastics, rubber, leather, fabrics, coatings, and non-composite substrates.

Precision Engineering: Achieves linear motion accuracy via a high-precision servo motor and ball screw drive system, ensuring repeatable test results.

Modular Flexibility: Interchangeable tungsten carbide scraping tools and adjustable weight systems (0–100N load range) adapt to varying test protocols.

Durability: Corrosion-resistant aluminum and stainless steel construction withstands harsh laboratory environments.

User-Centric Design: Intuitive embedded system with bilingual (English/Chinese) touchscreen interface simplifies operation for global teams.

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