5 scratch test methods for automotive interior and exterior trims

Scratch test is a routine test item for surface quality control of automobile interior and exterior trim parts, mainly to check the changes that occur when various automobile interior and exterior trim surfaces are scratched by hard objects and other environmental stresses, such as scratches on paint and plastic surfaces. marks, causing discoloration, changes in gloss, and fuzzing on the surface of the fabric. The scratch tester for automobile interior and exterior trims is an experimental instrument for scratch testing. Standard Group (Hong Kong) Co., Ltd. is the manufacturer. Customers in need are welcome to inquire. In addition, the R&D engineers of the Standard Group made the following brief descriptions of several methods for scratch testing of automobile interior and exterior trim, hoping to help each customer.

1. Five-finger scratch test method:

The equipment used is a five-finger scratch tester, and the main movement mode is linear one-way, sample movement or scratching head movement.

Suitable for samples: plastic parts, painted parts, self-adhesive foils

Standards Compliant: FLTM BO 162-01, FLTM BN 108-13, GMW 14698, GMN 3943

 

2. Grid scratch test method:

The equipment used is an electric cross-cut tester, the main movement method is linear one-way multiple scratches, and the scratching head moves.

Suitable for samples: plastic parts, plastic painted parts

Standard Compliant: PV 3952

 

3. Hardness test pen scratching method:

The equipment used is a hardness test pen, and the main movement method is a linear one-way scraping head movement, manual.

Suitable for samples: painted parts, self-adhesive foils

Compliant with standards: GMW 14698, TL 226

 

4. Coating scratch hardness tester scratch method

The equipment used is a coating scratch hardness tester, the main movement mode is linear movement and sample movement.

Suitable for samples: coating elastic parts, coating plastics, textiles, etc.

Compliant with: GME 60248

 

5. Paper clip scraping method

The scraping head is a paper clip, linear unidirectional sample movement, manual.

Suitable sample: Coated plastic

Standard Compliant: GMW 14130

 

 

After reading these, do you have a deeper understanding of the scratch test of automobile interior and exterior trims? Interested customers are welcome to inquire or leave a message to us to get the latest quotation of the scratch test instrument for automobile interior and exterior trims!