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Electronic process material testing

Test items

 

Flux testing

Solder paste testing

Solder wire testing

Adhesive testing

Insulating paint test

1. Appearance

1. viscosity

1. Flux content

1. Viscosity

1. Appearance of original paint

2. Density (g/cm3)

2. Tin bead test

2. External diameter

2. Shear strength

2. Transparency

3. Solid content

3. Collapse test

3. Splash test

3. Spread/collapse

3. Sheet resistivity

4. weldability

4. Wettability test

4. Tank detection

4. High-temperature strength

4. Point of flammability

5. Copper mirror corrosion test

5. Flux content

5. Welding continuity/uniformity

5. Permittivity

5. Deep layer drying

6. Physical stability

6. Sample preparation

6. Sample preparation

6. Solidify

6. mass resistivity

7. Water extract resistivity

7. Particle size shape distribution

7. Residue dryness

7. hygrothermal

7. Disruptive strength

8.. Residue dryness



8. electric strength

8. Water absorption

9. acid value(mgKOH/gFlux)



9. Shear strength after welding

9. oil resistivity

10. Corrosion of copper plate



10. mass resistivity

10. Curve

11. Surface insulation resistance



11. Sheet resistivity

11. heat resistance

12. electromigration



12. Solvent resistance

12. drying time

13. mould test



13. Mold resistance

13. solid content




14. electromigration

14. acid value





15. viscosity

 

 

Cleaning agent routine inspection items:

Specific gravity or density

conductivity

residual quantity(wt%)

Boiling point or boiling range

insulation resistance(Ω)

Ph of water extract

(pH)

Normal temperature volatilization rate

(25℃, mg/s.cm2)

flash(ing) point

Dielectric strength (kV/mm)  Or withstand voltage (kV)

Corrosion (to metals)

(Copper sheet,  100℃,  3h)

Corrosion to plastics (only polyimide plastics, epoxy plastics, phenolic resins, polypropylene plastics)

 

Cleaning agent no ODS certification test:

appearance

physical stability

boiling range

conductivity

pH

physical stability

etching test

Residual amount (wt%)

metal ion

Flash point (° C)

density

viscosity

surface tension

breakdown voltage

moisture

Dynamic surface insulation resistance

Boiling point or boiling range

Material compatibility test

Cleaning temperature difference

partial discharge inception voltage(PDIV)

Baker's turpentine butanol value (KB value)

Volatilization rate at room temperature (25℃, mg/ s.m2)


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