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Scratch Resistance Tester (GB 4943.1)

Get a quote:

Whats/App: +86 181 0160 0864

Web: gellowen.co.uk

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.

Application

Primary applications:

Scratch resistance testing of easily accessible solid insulation parts in household appliances

Evaluation of printed circuit boards for durability against sharp objects

Safety verification to ensure materials meet mechanical strength requirements

Typical tested products:

Household appliances (kitchen, cleaning, and personal devices)

IT equipment and peripherals

Electrical devices with exposed surfaces or touchable insulation components

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

ParameterSpecification
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)

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