Scratch test of car interior and exterior trim
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. (Hong Kong) Co., Ltd. is a manufacturer. Customers in need are welcome to inquire. In addition, the R&D engineer makes the following brief description 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. The main movement mode is linear and one-way, sample movement or scratching head movement. Suitable samples: plastic parts, painted parts, self-adhesive foils Conform to standards: 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 test The main movement method is linear and one-way multiple scratches, and the scratching head moves. Applicable samples: plastic parts, plastic coated parts Comply with the standard: PV 3952 3. Hardness test pen scratching method: The equipment used is a hardness test pen, the main movement method is linear one-way scratching 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 method is linear movement, and the sample moves. Suitable for samples: coating elastic parts, coating plastics, textiles, etc. Compliant with the standard: GME 60248 5. Paper clip scraping method The scraping head is a paper clip, linear unidirectional sample movement, manual. Suitable sample: Coated plastic Compliant standard: GMW 14130
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Ball Burst Method (ASTM D3787): Steel ball penetration for textiles/films using testers like GT-C02-2.
Hydraulic Method (ISO 13938.1): Fluid pressure on rubber diaphragm for industrial fabrics via GT-C12A.
Pneumatic Method (ISO 13938.2): Compressed air for breathable materials tested with GT-C12B.
Results are influenced by raw materials, yarn properties,
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