QFH-HG600 Hot Cross Hatch Adhesion Tester Instruction Cross-Cut Tester Kit

Product Introduction This instrument and is designed and manufactured according to the standard of ISO2409-1992. Applicable to GB /T9286-98, BS 3900E6/ASTM D3359. The instrument draw the grid of a certain size by a certain specification of the tools by using the uniform force,cut and penetrate the coating to be a grid lattice graphics,to evaluate the adhesion of coating on the substrate through the assessment of the full extent of the grid. Working principle and scope The instrument is a certain specification tool that will make the coating lattice graphics cut and penetrate,hatch completed by six graphic classification, assess the effect of the coating adhesion separated from the substrate. Instruction 1.The specimen must be prepared according to ISOR1514 and ISO2828 requirements. 2.The test piece is placed on the tablet hardness sufficient. 3. Handheld Hatch handle, so multi-blade cutter perpendicular to the specimen plane. 4.With uniform pressure, steady approach does not vibrate and 20-50mm / S cutting speed cutting program. 5.The specimen is rotated 90 degrees on the cutting stroke cuts repeat the above operation, so as to form a lattice graphics. 6.With a soft bristle brush on both sides of the diagonal lattice pattern gently back 5 times, 5 times forward brush specimens. 7.The test at least at three different locations on the test piece is completed,if the test results of three different positions, the experiment should be repeated at more than three positions, all while recording the results.To replace the multi-blade cutter, use a screwdriver blade Loosen the two screws, put the knives, knife blade attached to the handle side of the site, and tighten the screws.

• Multi-blade cutter addendum straightness: ≯ 0.003mm ≯ 0.006mm.
• Multi-blade cutter spacing: 1 +0.01mm, 2+0.01mm.
• Multi-blade cutter tooth tip width: ≯ 0.05mm.
• Cutter spacing and cutter types: 1mm and 2mm with 11 teeth
• Temperature: 23 ± 2 ° C; Relative humidity: 50 ± 5%.