Grid scratching instrument is designed and manufactured in accordance with ISO 2409-1974.It is also complies with GB/T9286-98 standard. The instrument is mainly used for the measurement of the grid scratching adhesion of the organic paints. It is not only applicable to the laboratories, but also good to the construction sites under various conditions. There are three specifications of multi-blade cutters(1mm,2mm,and 3mm),which can be chosed for different test conditions. The multi-blade cutter with 1mm distance is suitable to the test pieces with the paint film less than 60um.The multi-blade cutter with 2mm distance is suitable to the test pieces with the paint film of 60-100um

Model lists:

1. The one knife, two knives for general use(1mm and 2mm)

2. The rotary three knives(1mm,2mm,and 3mm)

3. The cylindrical four sides(1mm,2mm)

No     standard knife edge  Knife   Knife distance

H-5125 DIN/ISO  6            1      1mm(0.04inch)

H-5126 DIN/ISO  6            1      2mm(0.08inch)

H-5128 DIN/ISO  6           1      3mm (0.12ch)

H-5129 ASTM   11           1     1mm (0.04ch)  

H-5130 ASTM    11            1     1mm (0.04ch)&2mm   two knifes changeable

H-5131 ASTM    11            1     1mm (0.04ch)&2mm&3mm three knifes changeable

H-5132 DIN/ISO  6            1      1mm(0.04inch)&2mm   two knifes changeable

H-5133 DIN/ISO  6            1      1mm(0.04inch)&2mm&3mm three knifes changeable