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Qingdao Jingke Testing Equipment Co., Ltd
Hand cranked pencil hardness tester QHQ type
NegotiableUpdate on 12/03
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Overview
This product is designed and manufactured according to GB/T6739-1996
Product Details
This product is based onGB/T6739-1996Design and manufacture. The resistance exhibited by applying a surface to another object with higher hardness, that is, the ability of the paint film to resist deformation. Represented by pencil markings. Suitable for coating hardness testing.
The specifications are as follows:
1 Tester: Ensure the weight of the weights1000+/-50gApply a vertical force to the intersection of the pencil lead and the test bench, keeping the pencil in contact with the test bench45The angle between degrees remains unchanged. The test bench is movable, and scratches can be drawn with a pencil.
2 A set of advanced Chinese brand drawing pencils6H-6BPencil preparation; Remove the wooden pole and expose it3mmLead core, draw a circle on sandpaper and flatten the pencil tip to make the edge sharp.
3 The experiment must be conducted at a certain temperature23+/-2Celsius degrees, relative humidity50+/-5%Go ahead.
