Product Description

1.Product Overview

ST-COF90 Coefficient of Friction Tester measures static and kinetic coefficients of friction for sliding materials including plastic films & sheets, paper, rubber, woven sacks, paperboards, fabrics, conveyor belts, metal composite tapes for optical & communication cables, coated materials, timber, brake pads, shoe materials, windshield wipers, tires and more. By testing surface slip performance, users can control and optimize production processes and quality indicators to meet end-use requirements. With optional customized configurations, it also tests slipperiness of daily chemical products such as eye drops and cosmetics.

2. Application Scope

Standard Applications

Measurement of static and kinetic friction coefficients of plastic films/sheets, rubber, aluminum foil, paper, paperboard, plastic-paper composite films, fabrics, woven bags, metal composite tapes for communication & optical cables and other substrates during sliding contact.

Optional Custom Extended Applications

Slippage testing for cosmetics, eye drops and other daily chemical products; additionally applicable to conveyor belts, timber, catheters, carbon rods, coated materials, brake linings, shoe soles, wiper blades, artificial skin, metallic materials and crop-related friction testing.

3. Testing Principle

Fix test specimens flat onto the instrument’s test platform via the built-in clamping fixture. Place the specified slider on top of the specimen; the slider connects to the equipment’s drive unit. Force and displacement sensors fitted on the transmission system capture real-time force and displacement data throughout testing to calculate key frictional performance parameters of samples.

4. Product Features

1. Equipped with branded load cell sensors and imported high-speed acquisition chips for superior test accuracy.
2. Ultra-high resolution of 0.001 N, accuracy superior to Class 0.5.
3. Stable zero-point reading with minimal drift during no-load idle stroke dynamic tests.
4. Lead screw drive with stepless variable speed; displacement precision up to 0.1 mm.
5. Multi-standard compatibility: auto-set test parameters complying with Chinese National Standards, ASTM Standards, ISO Standards or user-defined specifications.
6. 7-inch high-definition touchscreen for intuitive operation and real-time data/curve display.
7. Password-protected startup with four-level access authority to prevent unauthorized operation.
8. Built-in thermal mini-printer supporting data review, statistical analysis and report printing.
9. Intelligent safety protections including travel limit protection, overload protection and power-failure data storage.
10. Optional professional PC software enabling data traceability, multi-level access management, audit trail and electronic signature functions.
11. Quick access to historical test data and printable test reports.

5. Technical Specifications

6. Applicable Test Standards

ISO 8295, ISO 8510-2, GB 10006, GB/T 2790, GB/T 2791, GB/T 2792, ASTM D1894, ASTM D4917, ASTM D3330, TAPPI T816, TAPPI T549

Note: Custom dedicated fixtures are required for compliance with certain listed standards.

7. Equipment Configuration

Standard Accessories

Main unit, embedded operating software, built-in thermal mini-printer, 200 g standard slider

Optional Accessories

Professional analysis software, data communication cable, custom non-standard 500 g slider, customized special load cell

Remark: Personal computer to be provided by end user.