Scratch Stylus acc. to Sikkens
Defined scratching damage of painted surfaces, Sikkens-type scratch tip
Sample Preparation

Model 463

Order number: 01000131
Only small quantity in stock
232.00 €

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Sample Preparation

Model 463

The Model 463 Sikkens-type scratching stylus consists of a carbide cutting edge with a side support button guide and a handle. In the standard version of the Model 463, the cutting edge has a width of 1 mm and right-angled edges. Turn the adjustment screws to align the cutting edge so that it is in line with the support head (as shown in Figure 2). A carbide cutting edge of 0.5 mm width is also available on request.

Purpose and application: The scratching stylus method is used to produce defined damages (cracks) on coated test panels to be used in corrosion tests, as, for instance, the Fog Spray Test acc. to DIN EN ISO 9227 with the ERICHSEN Corrosion Testing Apparatus, Models 606 and 608. This method provides a criterion for the evaluation of the extent or influence of corrosion underneath a coating and its effect on the adhesion. The length of the lateral damage underneath the coating serves as a measure of the corrosion protection factor.

Design and Function: The Scratch Stylus acc. to Sikkens, Model 463, consists of a carbide cutting blade guided by a supporting knob and a grip. In the standard version of Model 463 the cutting blade has a width of 1 mm and rectangular edges. It is adjustable in the horizontal direction by raising or lowering the cutting blade, using the locking screws. Upon request, a carbide cutting blade of 0.5 mm can also be supplied.

Execution of the test: The test panels are prepared with one or several straight scratch tracks over the whole of the metal sheet width in such a manner that they lie parallel to the narrow edge of the sheet and penetrate to the substrate. In some cases a St. Andrew's Cross scratch track may be necessary.

Scope of delivery:

  • Scratch Stylus acc. to Sikkens, Model 463
  • Sikkens cutting edge 1 mm

Norms

  1. DIN 53 167
  2. VDA 621-414
  3. VDA 621-415
  4. ECCA T8
  5. DIN ISO 4623

Technical specifications

Scratch profile

Sikkens 0,5 / 1 / 2 mm

Equipment