ASTM & ISO Scratch Resistance Tester Manufacturer & Supplier
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Whats/App: +86 156 1874 6768
Web: standard-groups.com
The Scratch Resistance Tester (GB 4943.1) is designed for evaluating the scratch resistance of solid insulation components or printed circuit boards in household appliances and similar products. Developed according to GB4943.1-2011 (clause 2.10.8.4), IEC60950-1 (clause 2.10.8.4), GB4706.1 (clause 21.2), and IEC60335-1 (clause 21.2), this tester ensures materials have sufficient strength to resist penetration by sharp tools. The instrument provides precise, repeatable scratch tests, making it ideal for product safety verification and quality control.
Standards
(1) GB 4943.1 – Information Technology Equipment – Safety – Part 1: General Requirements (Clause 2.10.6.6)
(2) GB 4706.1 – Household and Similar Electrical Appliances – Safety – Part 1: General Requirements (Clause 21.2)
(3) IEC 60950-1 – Information Technology Equipment – Safety – Part 1: General Requirements (Clause 2.10.6.6)
(4) IEC 60335-1 – Household and Similar Electrical Appliances – Safety – Part 1: General Requirements (Clause 21.2)
Parameters
| Parameter | Specification |
|---|---|
| Input Voltage | AC 220V / 50Hz |
| Control System | PLC + Touchscreen |
| Drive Type | Stepper motor |
| Scratch Speed | 0–25 mm/s (adjustable) |
| Test Cycles | 0–9999 (presettable) |
| Scratch Spacing | Adjustable, 1–19 mm |
| Worktable | 360° rotatable |
| Scratch Load | 10 N ±0.5 N |
| Stylus | Hardened steel, conical tip, 40° cone angle, radius 0.25 mm ±0.02 mm (replaceable) |
| Scratch Angle | Vertical to sample surface, 80°–85° (adjustable) |
| Scratch Length | Max 200 mm (adjustable) |
| Translation Distance | Max 200 mm (adjustable) |
Features
Uses hardened steel conical stylus with polished tip (R0.25 mm ±0.02 mm) for precise scratch application.
Scratch tests performed at 20 mm/s ±5 mm/s in planes perpendicular to the conductor edge.
Stylus applies consistent load of 10 N ±0.5 N along its axis.
Scratch spacing ≥5 mm between lines and ≥5 mm from sample edges to ensure uniform results.
PLC + touchscreen control system for stable operation and easy parameter setup.
Rotatable worktable enables scratch testing in both longitudinal and transverse directions.
Adjustable speed, angle, length, and spacing allow compliance with multiple standard requirements.
Accessories
(1) Hardened steel stylus (conical tip, replaceable)
(2) Calibration weights and load adjustment kit
(3) Sample mounting clamps and rotating table
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