Laboratory Fastness Rotary Friction Tester

Fastness Rotary Friction Tester

  A Fastness Rotary Friction Tester, also known as a Rotary Crock meter, is a specialized instrument used to evaluate the color fastness of textiles and materials when subjected to rotational rubbing. This test simulates the wear and friction that fabrics experience during use, helping manufacturers assess the durability of dyes and finishes. Purpose of Fastness Rotary Friction Tester The primary function of the Fastness Rotary Friction Tester is to determine how well a fabric's color withstands rubbing, both in dry and wet conditions. This is crucial for ensuring the longevity and appearance of textiles in real-world applications, such as clothing, upholstery, and footwear.   Working Principle of Fastness Rotary Friction Tester The tester operates by applying a specified pressure to a fabric sample using a standardized rubbing finger covered with a test cloth. The rubbing finger performs a set number of rotational movements (typically 1.125 turns clockwise followed by 1.125 turns counterclockwise) over the fabric surface. After the test, the degree of color transfer to the test cloth and any changes in the fabric's appearance are evaluated against standardized gray scales.   Common Testing Standards - AATCC 116: Colorfastness to Crocking: Rotary Vertical Crock meter Method. ISO 105 X16: Textiles—Tests for color fastness—Part X16: Color fastness to rubbing—small areas. - SATRA TM8: Color fastness to rubbing.   Key Specifications of Fastness Rotary Friction Tester - Rubbing Head Diameter: Typically 16 mm. - Applied Pressure: Approximately 1134 grams (11.1 N). - Rotation: 1.125 turns clockwise followed by 1.125 turns counterclockwise. - Sample Size: Commonly 60 mm × 60 mm. - Test Cloth: Standardized white cotton cloth, either dry or wetted depending on the test condition.   Benefits of Fastness Rotary Friction Tester - Realistic Simulation: Mimics the actual wear and friction fabrics undergo during use. - Versatility: Applicable to a wide range of materials, including textiles, leather, and printed fabrics. - Quality Assurance: Ensures products meet industry standards for color durability. - Standard Compliance: Aligns with international testing standards, facilitating global trade and quality benchmarks.   Applications Fastness Rotary Friction Tester - Textile Industry: Assessing the color durability of garments, upholstery, and other fabric products. - Footwear Manufacturing: Testing the colorfastness of shoe uppers and linings. - Automotive Interiors: Evaluating the wear resistance of seat covers and other interior fabrics. Quality Control Laboratories: Routine testing to ensure product consistency and compliance with standards.   Benefits of Fastness Rotary Friction Tester:

1. Accurate Colorfastness Evaluation- Provides precise assessment of how well fabric resists color loss and staining from rubbing.
2. Simulates Real-World Wear - Recreates rotational friction found in actual use (e.g., seat covers, apparel wear points).
3. Supports Wet & Dry Testing - Can test under both dry and wet conditions for comprehensive results.

 

4. Standardized Testing - Complies with global standards (AATCC 116, ISO 105 X16), ensuring reliable and comparable results.
5. Time-Saving & Efficient - Quick to set up and run, allowing for high-throughput testing in labs.
6. Versatile Use- Suitable for textiles, leather, coated fabrics, and printed surfaces.

 

7. Improves Quality Control - Identifies potential durability issues early in the production process.
8. Enhances Product Performance - Helps in developing fabrics with better resistance to rubbing and abrasion.

  Features of Fastness Rotary Friction Tester:

1. Rotary Rubbing Mechanism - Simulates 1.125 clockwise and 1.125 counterclockwise turns for realistic friction.
2. Standardized Rubbing Head - Fixed diameter (typically 16 mm) with specified pressure (≈1134 g) for consistent results.
3. Dry and Wet Testing Capability - Can perform tests using dry or wet rubbing cloths.

 

4. Sample Holder- Secure and easy-to-use fixture for holding fabric samples in place.
5. Test Cloth Mounting Arm- Quick attachment for standardized white rubbing cloths.
6. Simple Operation - Manual or motorized operation depending on model; easy to handle for lab technicians.
7. Compliance with Standards - Follows AATCC 116, ISO 105 X16, and SATRA TM8 protocols.

  How to Use Fastness Rotary Friction Tester:

1. Prepare the Sample - Cut a fabric piece (typically 60 × 60 mm) and condition it per standard requirements.
2. Mount the Fabric - Secure the fabric sample on the sample holder or base plate of the tester.
3. Attach Rubbing Cloth - Place a standard white test cloth (dry or wetted as required) over the rubbing head.

 

4. Apply Pressure - Lower the rubbing head onto the fabric. Standard weight is about 1134 g.
5. Start the Test - Operate the tester: the head performs 1.125 turns clockwise, then 1.125 turns counterclockwise.- Number of cycles (typically 10 or 20) is set based on the test standard.

 

6. Remove and Inspect - After testing, remove the rubbing cloth and assess any color transfer using a gray scale.
7. Evaluate Fabric Surface - Check the fabric for visible changes, fading, or wear.

 

8. Record Results - Grade both staining and fabric change per standard gray scale ratings.

    Fastness rotary friction tester [Scope of application] It is used to change the color fastness of the textile, printing and dyeing, printing and other products after a specific track friction. [Related standards] GB / T29865 AATCC116 ISO105-X16, etc. [Instrument characteristics]: 1.Single-chip control, speed can be set freely 2.Imported motor, linear guide, low noise, suitable for long time work 3. Liquid crystal display, film panel 4. Freely set the number of friction, can count up and down, and automatically stop the alarm when the set value is reached [Technical Parameters]: 1. Friction head diameter: 16mm 25mm 2. Vertical pressure: 11.1N 3. Working mode: 405 ° clockwise and 405 ° counterclockwise 4. Speed range: constant 60 rpm, LCD display, thin mold panel 5. Counting range: 0-99999 times 6. Power supply: AC 220V 50Hz 80W 7. Weight: 20KG 8. Volume: L420mm × W260mm × H430mm