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Continuous Load Scratch Resistance Tester

Get a quote:

Whats/App: +86 185 0176 3615

Web: qinsun-lab.com

The Continuous Load Scratch Resistance Tester is designed to evaluate surface scratch resistance and coating adhesion performance under continuously increasing load conditions. By applying controlled linear motion combined with progressive vertical loading, the instrument accurately identifies surface damage thresholds, making it suitable for assessing the durability and mechanical integrity of screens, films, wall coverings, and coated materials.

Application

Scratch resistance testing of mobile and tablet display screens

Scratch resistance evaluation of functional and decorative films

Scratch durability assessment of wallpapers and surface coverings

Adhesion strength testing of coatings under progressive load

Surface hardness and smoothness characterization

Typical test samples include:

Glass and coated display panels

Protective and decorative films

Wallpaper and laminated surfaces

Painted, varnished, or coated substrates

Standards

ISO DIS 12137-2 (Plastics — Determination of Scratch Properties)

JIS K 5600 (Testing Methods for Paints)

Parameters

ParameterSpecification
Sliding speed 600 mm/min (return speed: 1200 mm/min)
Drive motor Reversible motor
Drive mechanism Rack and pinion transmission
Sliding distance 100 mm
Vertical load Continuous load: 0–50 g, 0–100 g, 0–200 g
Fixed load: 200 g
Safety system Overload protection, high-frequency noise suppression circuit
Overall dimensions Main unit: W535 mm × D225 mm × H340 mm

Features

Multiple test functions integrated into a single system

Scratch resistance testing in accordance with ISO DIS 12137-2. with scratch size evaluated by microscopic observation

Pencil hardness–type testing based on JIS K 5600. using a 45° inclined pencil to compare surface hardness

Surface smoothness measurement by recording sliding resistance of a flat fixture to calculate static and dynamic friction

Optional friction and wear analysis software enables quantitative evaluation of scratch resistance based on measured resistance

Accurate determination of critical loads corresponding to surface indentation and cracking through resistance variation analysis


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