Continuous Load Surface Performance Measurement Instrument

The Continuous Load Surface Performance Measurement Instrument is designed for evaluating coating adhesion, friction resistance, scratch resistance, and peeling behavior under continuously increasing load conditions. By applying proportional vertical loading during controlled linear motion, the instrument enables precise detection of surface performance changes and critical failure points, making it suitable for detailed analysis of coating durability and interfacial properties.

Application

Adhesion strength evaluation of surface coatings

Measurement of friction resistance between coatings and contact tools

Scratch resistance testing of thin and thick film coatings

Peeling resistance assessment under continuously increasing load

Surface performance characterization of films, coatings, and laminated structures

Typical test samples include:

Thin and thick coating layers

Painted and varnished surfaces

Polymer films and sheets

Decorative panels and laminated materials

Coated metal or non-metal substrates

Standards

GB/T 6040-2008 Test Method for Wear Resistance of Metal Surfaces

GB/T 17657-2022 Test Methods of Evaluating the Properties of Wood-Based Panels and Surface-Finished Panels (including abrasion and scratch tests)

ISO 20502 Fine Ceramics and Coatings — Scratch and Wear Testing

ISO 1518 Paints and Varnishes — Determination of Resistance to Scratching

ASTM D3702 Test Method for Wear Rate of Materials Using a Rotating Drum Apparatus

ASTM D1894 Test Method for Static and Kinetic Coefficients of Friction of Plastic Film and Sheeting

JIS P 8139 Determination of Friction and Wear Properties of Coatings

JIS P 8147 Determination of Surface Friction Coefficient and Scratch Properties of Coatings

JIS K 7317:2022 Plastics — Film and Sheeting — Determination of Coefficient of Friction

Parameters

Features

Wide evaluation range achieved through continuous load application, enabling assessment of adhesion strength from thin films to thick coatings

Scratch needle tip radius range from 5 μmR to 200 μmR, suitable for various coating thicknesses

Real-time monitoring of friction resistance changes during reciprocating motion

Accurate detection of surface condition changes and coating delamination cycles

Digital servo automatic zeroing ensures stable baseline measurements

Selectable sensitivity settings at 0. 10. 25. 50. and 100% FS

Integrated dynamic strain amplifier with low-pass filtering at 1. 10. and 100 Hz

Overload protection and high-frequency noise suppression ensure safe and reliable operation

Accessories

(1) Load sensor

(1) Ball indenter set

(1) Diamond scratch needle

(1) Rod gauge

(1) Continuous loading weight set

(1) Calibration weight set

(1) Relay cable

(1) Power cable (2P/E, 2 m)

(1) Accessory cover

(1) Tool set

(1) Parts box

(1) Operating manual

Optional: friction and wear analysis software

Test Procedures

Secure the test specimen on the moving stage.

Install the appropriate scratch needle or test head.

Set sliding speed, travel distance, load range, and motion mode.

Perform automatic zero calibration before testing.

Start the test to apply continuous vertical loading during linear motion.

Record friction resistance, scratch behavior, and peeling response in real time.

Determine critical load values corresponding to surface damage or coating failure.

Maintenance Information

Clean the moving stage and scratch needle after each test

Inspect load sensors regularly to maintain measurement accuracy

Check continuous loading mechanisms for smooth operation

Keep electrical components protected from dust and moisture

Store accessories and weights properly to prevent mechanical damage

FAQ

1. What is the core advantage of this product?

Its continuous load mechanism allows precise identification of critical adhesion, scratch, and peeling points that cannot be detected using fixed-load methods.

2. Are the test results reliable?

Yes. Direct load sensing, digital zero calibration, and stable mechanical design ensure accurate and repeatable measurements.

3. Which international or industry standards does it comply with?

The instrument supports GB, ISO, ASTM, and JIS standards related to friction, wear, scratch resistance, and coating adhesion.

4. Why is this product important?

Continuous load testing provides deeper insight into surface failure mechanisms, supporting material selection and coating optimization.

5. Which fields is this product suitable for?

It is suitable for coating development, materials research, quality inspection laboratories, decorative panel manufacturing, and industrial R&D applications.