Scratch tester （KK01，KK02，KK03），ISO 19252 abrasion and scratch hardness resistance tester

The Scratch Resistance Tester (KK01 / KK02 / KK03) is designed to evaluate the scratch resistance of plastics, films, coatings, and automotive interior and exterior materials. By applying a vertically loaded scratch stylus and moving it horizontally across the sample surface, you can quantitatively assess scratch characteristics. This helps you understand surface durability, optimize material selection, and improve product appearance and service life.

Application

You can use this tester for the following applications and test materials:

Scratch resistance evaluation of plastic molded products

Scratch property testing of film materials

Surface scratch performance assessment of coatings, paints, and sprayed materials

Scratch resistance testing of automotive interior and exterior components

Scratch durability testing of optical materials, packaging materials, and electronic housings

Scratch damage analysis during material research, development, and quality control

Standards

The tester complies with the following international standards:

ISO 19252 — Plastics — Determination of scratch resistance of plastics and coated plastics by progressive load test

ASTM D7027-05 — Standard Test Method for Instrumented Indentation Test for Plastics (Scratch Resistance Test)

Parameters

Parameter	KK-01	KK-02	KK-03
Dimensions (mm)	W965 × D530 × H690	W545 × D455 × H680	W545 × D455 × H680
Weight	150 kg	65 kg	150 kg
Power supply	AC 100 V	AC 100 V	AC 100 V
Maximum power consumption	60 W	60 W	60 W
Operating environment	10–40 ℃, 30–70 %RH, non-condensing	Same as left	Same as left
Test method	Progressive load method	Progressive load method	Progressive load method
Scratch direction	Left → Right	Left → Right	Left → Right
Vertical load range	1–200 N	1–50 N	0.1–5 N
Horizontal load	Max. 200 N	50 N	5 N
Scratch distance	Max. 400 mm	Max. 400 mm	Max. 400 mm
Scratch speed	1–400 mm/s	1–200 mm/s	1–200 mm/s
Scratch depth detection	Laser displacement sensor	Laser displacement sensor	Laser displacement sensor
Sample size	200 × 420 mm, thickness ≤ 5 mm	Same as left	Same as left

Features

Vertical load scratch testing

You can perform quantitative scratch evaluation in compliance with ISO and ASTM standards.

Touchscreen operation

All test parameters and functions are easily set and controlled through the touchscreen interface.

Teaching function

You can precisely define the load application area to ensure high repeatability of test results.

Testing of uneven surfaces

The suspension mechanism ensures linear vertical load application, allowing reliable testing even on uneven sample surfaces.

Test condition memory

You can store up to 20 sets of test conditions for repeated and comparative testing.

Multiple stylus options

A standard Φ1 mm stylus and optional customized styli allow evaluation of different scratch modes such as gloss scratches, scale scratches, and cutting scratches.

Convenient data output

Test results can be transferred via USB, with storage capacity of approximately 1.000 data records.

Accessories

(1) Standard scratch stylus Φ1 mm (for ISO/ASTM standard testing)

(2) Optional scratch styli (gloss scratch, scale scratch, cutting scratch, etc.)

(3) Safety cover (optional, for operator protection)

(4) USB connection cable

(5) Software and user manual

Test Procedures

Fix the sample securely on the test stage and ensure it is flat and stable.

Select the test mode and set vertical load, scratch speed, and scratch distance via the touchscreen.

Use the teaching function to calibrate the load area and scratch starting position if required.

Start the test. The stylus applies vertical load and moves horizontally while data are recorded in real time.

After the test, save the data and proceed with result analysis.

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