test item
Tape product testing | Nondestructive inspection of industrial products | Bolt stud test |
1. thickness | 1. UT(ultrasonic testing) | 1. Wedge load test |
2. extension test | 2. radiographic inspection | 2. torque coefficient |
3. elongation | 3. magnetic particle testing | 3. Fastening axial force |
4. 180°peel strength | 4. penetrant testing | 4. pretension force |
5. shear strength | 5. tension test | |
6. Stickiness test | ||
7. Initial viscosity test | ||
8. Xenon lamp accelerates aging | ||
9. ageing resistant | ||
10. waterproofness | ||
11. breakdown voltage | ||
12. Water vapor permeability | ||
13. fire resistance |
Coating detection:
1. plating thickness | 20. Insecticide resistance |
2. coating thickness | 21. Fastness to fading |
3. peel strength | 22. Salt spray resistance |
4. adhesive force | 23.bloom |
5. waterproof | 24. Resistance value of surface paint film |
6. color fastness to rubbing | 25. Hardness (Micro Vickers, 10g-100g) |
7. Friction fading | 26. Hardness (nanoindentation) |
8. stand wear and tear | 27. mildew resistance |
9. Scratch resistance | 28. impact resistance |
10.Sweat resistant solution | 29. Binding power of coating |
11. Cleaning resistance | 30. surface roughness |
12. Detergent resistant | 31. Surface topography observation |
13. soap-proof | 32. breathability |
14. Chemical resistant agent | 33. light resistance |
15. Oil resistant product | 34. Porosity of coating |
16. lubricating oil resistance | 35. Color, color difference |
17. Resistant unleaded gasoline | 36. Polarization curve, cyclic voltammetry curve and impedance spectrum of the sample |
18. acid resistance | 37. alcohol resistance |
19. alkali resistance | 38. Sunscreen resistant lotion |