- Electronics
- Toys and Children's Products
- Textiles, Footwear, Leather and Luggage
- Food , Drug and Cosmetic
- Auto Materials and Parts
- Metal materials and parts
- Building Materials and Light Industry Products
- Luxury Products
- Semiconductor and related Fields
- Electronic Commerce
- Certification
- Occupational Safety and Health
- Environment
- Inspection
- Audit
- Training
Industry
Service
Electronic process material testing
Electronic process material testing
Test item
Flux testing |
Solder paste inspection |
Solder wire inspection |
Adhesive testing |
Insulation paint testing |
1. appearance |
1. viscosity |
1. Flux content |
1. viscosity |
1. The original paint appearance |
2. density(g/cm3) |
2. Tin beads test |
2. OD(outer diameter) |
2. shear strength |
2. transparency |
3. solid content |
3. The collapse test |
3. Spray test |
3. Spread out/collapse |
3. sheet resistivity |
4. Help welding sex |
4. Wettability test |
4. Detection of tin bath |
4. High temperature strength |
4. Flash point |
5. Copper mirror corrosion test |
5. Flux content |
5. Welding continuity/uniformity |
5. Dielectric constant |
5. Thick layer of dry |
6. Physical stability |
6. Sample preparation |
6. Sample preparation |
6. curing |
6. Volume resistivity |
7. Water extraction fluid resistivity |
7. Grain size shape distribution |
7. Residual dryness |
7. Hot and |
7. Breakdown strength |
8.. Residual dryness |
8. Dielectric strength |
8. Bibulous rate |
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9. Acid value(mgKOH/gFlux) |
9. Shear strength after welding |
9. Oil resistance |
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10. Corrosion of copper plate |
10. Volume resistivity |
10. bending |
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11. Surface insulation resistance |
11. Surface resistivity |
11. Heat resistance |
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12. electromigration |
12. Solvent resistance |
12. The drying time |
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13. Mould test |
13. Mildew resistance |
13. Solid content |
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14. electromigration |
14. Acid value |
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15. viscosity |
Routine inspection of cleaning agent:
Specific gravity or density |
Electrical conductivity |
residues(wt%) |
Boiling point or range |
Insulation resistance(Ω) |
Ph of water extract (pH) |
Normal temperature volatilization rate (25℃, mg/s.cm2) |
Flash point |
Dielectric strength(kV/mm) Or pressure(kV) |
Corrosivity (to metal) (copper, 100℃, 3h) |
Corrosive to plastics (polyimide plastics, epoxy plastics, phenolic resins, polypropylene plastics only) |
Cleaner withoutODSCertification testing:
appearance |
Physical stability |
Distillation range |
Electrical conductivity |
pH |
Physical stability |
Corrosion test |
residues(wt%) |
Metal ions, |
Flash point(℃) |
density |
viscosity |
Surface tension |
breakdown voltage |
moisture |
Dynamic surface insulation resistance |
Boiling point or range |
Material compatibility test |
Cleaning temperature difference |
Partial discharge initial voltage(PDIV) |
Baker's rosin butanol value (KB value) |
Normal temperature volatilization rate(25℃, mg/s.cm2) |
Service
- Adhesive and tape testing
- Material hardness test
- Failure analysis and testing of composite materials
- Electronic process material testing
- Failure analysis and testing of electronic components
- Mechanical testing of materials
- Nondestructive testing of industrial products
- Failure analysis and testing of metal materials and components
- slice analysis
- Nondestructive testing of electronic products
- PCB&PCBA failure analysis and detection