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Характеристики
Pencil Hardness Tester Small Film Coating Detection Instrument Paint QHQ-A |
История изменения цены
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| Месяц | Минимальная цена | Макс. стоимость | Цена |
|---|---|---|---|
| Aug-15-2025 | 6252.71 руб. | 6377.64 руб. | 6314.5 руб. |
| Jul-15-2025 | 5071.42 руб. | 5172.58 руб. | 5121.5 руб. |
| Jun-15-2025 | 6154.38 руб. | 6277.8 руб. | 6215.5 руб. |
| May-15-2025 | 6105.15 руб. | 6227.16 руб. | 6166 руб. |
| Apr-15-2025 | 4874.73 руб. | 4971.20 руб. | 4922.5 руб. |
| Mar-15-2025 | 6006.40 руб. | 6126.51 руб. | 6066 руб. |
| Feb-15-2025 | 5957.84 руб. | 6076.51 руб. | 6016.5 руб. |
| Jan-15-2025 | 5908.55 руб. | 6026.28 руб. | 5967 руб. |
Описание товара
Brand NameYunlinLiModel NumberQHQ-APowerOtherUsageHardness TesterDIY SuppliesELECTRICALMeasurement unitpiece/piecesEach pack16 155,49 ₽-20%6 155,49 ₽-20%4 923,99 ₽4 923,99 ₽loader
Description
Pencil Hardness Tester Small Film Coating Hardness Detection Instrument Paint Hardness Tester QHQ-A
Note: The pencil hardness is the weight of pencil pressure on the measured object, not the direct weight of the car and weight Use: Coating hardness is the paint manufacturing, paint use (painted) industry to determine the quality of the necessary indicators. Pencil scratch test commonly used test methods to test the hardness of the coating. China has also promoted this test method in the development of coatings and in industrial production. The instrument can be used in the laboratory, but also apply to the construction site, and in any direction on the coating hardness identification. Structure and working principle: Instrument for the mechanical, three-point contact with the measured surface (two for the wheel, a point for the lead) Always ensure that the pencil and the measured surface angle of 45 °, the level of force to promote the instrument movement, you can complete the test process, the determination of coating Ability to resist deformation. Requirements: 1. GB1279-79 "Preparation of paint film," the preparation of three pieces of test, usually a smooth tinplate 120 * 50 * (O.2-0.3) mm, or the substrate and the size of the product otherwise specified. 2. Test conditions: according to product standards or construction requirements of the conditions. Instructions: 1. Place the instrument flat on the test piece (if the test piece is smaller than the instrument, place the test piece in front of the instrument and place the gasket under the front of the instrument in order to keep the instrument horizontal). 2. Use a razor blade to make the protruding part of the stylus pen about 2-5mm and grind it on the sandpaper, then insert the pencil into the instrument so that the stylus pen can be fixed and locked after being in contact with the test piece (Recommended: Select a plane in the shape of a rectangle and fix it. After the test, rotate the two planes and then fix the test. Then, rotate the two plane fixing test to use three circles on one surface.) When removing the washer, remove the spacer. 3. With thumb and middle finger caught in the center of two wheels. Push the instrument about 1-2cm backward to remove the instrument (do not apply any pressure when pushing the instrument). 4.Judgment of hardness, to see whether the scratch scratch film. Proposed to do at least three test strips above the location, take the average. Hardness of the series, the standard pencil from soft to hard 6B 5B 4B 3B 2B HB H 2H 3H 4H 5H 6H (a total of 13). Weight about: 2.6 kg
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