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Stone Chip Tester Erichsen

Stone Chip Tester Erichsen

The MULTI GRIT / Stone Chip TESTER 508 VDA is a stone-hammer-blow / Stone Chip resistance tester that was originally developed in collaboration with the German Association of the Automotive Industry (VDA), but which also meets the requirements of national and international standards. The MULTI GRIT TESTER 508 VDA is for evaluating the performance of single- and multi-layer paints and similar coatings when subject to the stresses caused by low-mass, high-speed impacting objects (such as those encountered on road and rail vehicles, and traffic equipment). The new MULTI GRIT TESTER 508 SAE is a stone-hammer-blow testing instrument, which (in contrast to the VDA version) is equipped with an adjustable impact angle. Stone Chip resistance test finds its wide application in automotive industry for determination of the resistance of the coatings when subject to chipping damaged by stones.

Characteristics:

  • Test type: stone hammer blow
  • Other characteristics: pneumatic
  • Standard : VDA/SAE

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Product Specifications

Model 508 VDA MODEL 508 SAE
Principle of test: A defined number of impact bodies of specified shape, material and surface quality is made to impinge for a given period of time and with a specified energy at a determined angle (54° in accordance with DIN/ISO) of impact onto the specimen. Principle of test: A defined number of impact bodies of specified properties is made to impinge for a given period of time and with a defined energy at a determinate angle of impact onto the specimen.
Standard : DIN EN ISO 20567-1 FORD FLTM BI 157-06 RENAULT D24 1702 PSA D24 1312 DAIMLER DBL 5416 Standard : SAE J 400 ASTM D 3170
Compressed air connection: At least 6 bar / max. 10 bar, requiring a connecting hose with ID 13 mm Compressed air connection: At least 8 bar / max. 10 bar, requiring a connecting hose with ID 19 mm
Filling pressure control: approx. 5 bar, factory set Filling pressure control: 7.8 bar overpressure, set by factory
Note: If you need to perform a test not reflected here, contact us to find out if a special solution is possible.