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BYK

Hardness Pencil Tester

The pur­pose of scratch hard­ness tests is to deter­mine the resis­tance of coat­ing mate­rials or lac­quers to scratch effects on the sur­face. This test is of par­tic­u­lar .....
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DESCRIPTION TECHNICAL DESCR. VIDEO
DESCRIPTION

Pen­cil Hard­ness Tester

(Wolf-Wil­burn)

The pur­pose of scratch hard­ness tests is to deter­mine the resis­tance of coat­ing mate­rials or lac­quers to scratch effects on the sur­face. This test is of par­tic­u­lar value for fur­ni­ture or vehi­cle lac­quers, but is also a use­ful aid in the devel­op­ment of syn­thetic resins or other film form­ing mate­rials.

Gen­er­ally, scratch hard­ness is mea­sured by mov­ing a sharp object under a known pres­sure over the test sur­face. The result may either be the value of the pres­sure required to scratch through the test mate­rial if a scratch­ing tool of con­s­tant hard­ness is used, or the hard­ness of the scratch­ing tool is varied while con­s­tant pres­sure is applied.

  • Twenty pen­cils (grade 9B to 9H) are used with a stan­dard holder
  • Pen­cils are moved with a fixed pres­sure and a fixed angle-ensur­ing the least amount of oper­a­tor error
  • Pen­cils can be eas­ily exchanged to min­i­mize down time dur­ing the test
TECHNICAL DESCR.
VIDEO
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Prices are quoted in euro (taxes excluded) and apply in the Benelux (recycling fee included). They are subject to change without notice. We reserve the right to adjust pricing errors and to limit quantities.

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