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Paint Surface Scratch Resistance Tester
BACK
Standards:
The instrument complies with major international and national standards for coating and paint testing: ISO 1518 – Paints and varnishes – Determination of scratch resistance ASTM D5178 – Test method for scratch resistance of coatings using a linear scratch device ASTM D2197 – Test method for resistance of organic coatings to abrasion GB/T 23989‑2009 – Determination of scratch resistance of coatings GB/T 1768‑2006 – Test method for abrasion resistance of paint films GB/T 6739‑2006 – Paints and varnishes – Pencil hardness test GB/T 9279‑2007 – Paints and varnishes – Cross-cut test
Applications:
The Paint Surface Scratch Resistance Tester is suitable for a wide range of coating and paint testing applications, including:
Evaluation of paint surface scratch resistance
Assessment of coating system durability and adhesion
Testing automotive surface coatings for scratch performance
Comparative studies of different paint or clearcoat formulations
Specific testing product: Paint Surface Scratch Resistance Tester
Product Information:
The Paint Surface Scratch Resistance Tester is a precision instrument designed to evaluate the scratch resistance of painted surfaces, coatings, and automotive finishes. It enables accurate assessment of paint and clearcoat durability, providing reproducible and quantifiable data for coating development, quality control, and comparative testing of surface treatments under controlled laboratory conditions.
Parameters
| Item | Details |
|---|---|
| Input Voltage | 220V / 50Hz |
| Control System | PLC + Touch Screen |
| Operation Interface | 7-inch color touchscreen, Chinese/English switchable |
| Drive Type | Stepper motor drive |
| Scratch Speed | 0 – 25 mm/s, adjustable |
| Limited Stroke | 0 – 85 mm (customizable) |
| Number of Tests | 0 – 9999. programmable |
| Post-Scratch Automatic Stop | Yes (electrode device) |
| Contact Limit Angle | 18° |
| Contact Ball Transition Radius | R6 |
| Scratch Spacing | 0 – 50 mm, adjustable |
| Test Sample Size | Approx. 150 × 100 mm |
| Rotating Table | 360° rotation capability |
| Scratch Pressure | Standard: 10 N ±0.5 N (1 piece); Optional: 20 N or 30 N ±0.5 N |
| Scratch Needle | R0.25 ±0.02 mm, other specifications optional |
| Machine Dimensions (L×W×H) | 380 × 300 × 180 mm |
Features
PLC + Touch Screen Control: Simple and intuitive operation with real-time monitoring.
Adjustable Scratch Parameters: Speed, spacing, stroke, and pressure can be fully customized.
Automatic Post-Scratch Stop: Ensures precise and reproducible tests.
360° Rotating Table: Allows versatile sample positioning for uniform testing.
Customizable Scratch Needle & Pressure: Supports multiple load levels and tip radii for different coating hardness.
High Repeatability: Guarantees reliable and consistent test results.
Versatile Applications: Suitable for paints, coatings, automotive finishes, and clearcoats.
Pre-Programmable Test Cycles: Supports up to 9999 tests with automated sequence control.
Accessories
Standard scratch needle R0.25 mm
Optional scratch needles and radii
Additional force weights (10 N, 20 N, 30 N)
Rotating sample table
Calibration and maintenance tools
Test Procedures
Sample Preparation:
Select a representative paint or coated surface.
Secure the sample on the rotating table, ensuring stable and level placement.
Setup:
Install the appropriate scratch needle and set the required scratch pressure.
Adjust the stroke and spacing parameters on the touchscreen interface.
Program the number of test cycles if required.
Testing Procedure:
Start the stepper motor to move the scratch needle across the sample surface.
Monitor the test via the touchscreen interface.
Automatic stop occurs after completing the programmed stroke or test cycles.
Record scratch parameters and inspect the surface for damage assessment.
Maintenance Information
Regularly clean the scratch needle and sample table to prevent contamination.
Verify the stepper motor and PLC control system for smooth operation.
Check and calibrate scratch pressure and needle radius periodically.
Ensure the rotating table rotates freely and maintains alignment.
FAQ
1. What is the core advantage of this product?
It provides precise, reproducible, and quantitative assessment of scratch resistance on paints, coatings, and automotive finishes.
2. Are the test results reliable?
Yes. The combination of stepper motor control, adjustable pressure, and automated stroke ensures consistent and repeatable results.
3. Which international or industry standards does it comply with?
ISO 1518. ASTM D5178. ASTM D2197. GB/T 23989‑2009. GB/T 1768‑2006. GB/T 6739‑2006. GB/T 9279‑2007.
4. Why is this product important?
It allows accurate evaluation of coating durability and scratch resistance, supporting product development, quality assurance, and comparative testing.
5. Which industries or applications is it suitable for?
Automotive coatings, paint and varnish manufacturing, industrial coatings, quality control laboratories, and R&D of protective surface coatings.
