Ink buy 1kg = 2kg: know the importance of ink standard indicators

For printing inks, we also have our own understanding:

[Point 1] ISO 12647 lithographic four-color ink standard...

[Point 2] In general test of ink characteristics and indicators...

1. Label / Model / Color

2. Production date / storage period

3. Warranty period

4. Package appearance

5. Weight (after deducting the weight of the can)

6. Damage / deformation

[Point 3] Ink important physical property test and indicators...

Color intensity

2. Hue deviation

3. Overprinting ability

4. Viscosity and fluidity

5. Anti-alcohol / water properties

6. Drying characteristics

[Point 4] Ink important physical property test...

1. Check ink production and expiration date

2. Four-color ink hue detection

3. Four-color ink "" color intensity" "detection

4. Four-color ink viscosity test

5. Four-color ink drying characteristics

6. Four-color ink heavy metal content

7. Spot color ink

[Point 5] Ink important characteristic inspection reference indicators...

1. Color intensity: the color or density of a certain thickness of ink

2. Hue deviation: the hue of the ink

3. Overprinting ability: MC>xx, MY>xx, CY>xx

4. Viscosity and fluidity: Change the viscosity according to the color sequence

5. Anti-alcohol / water characteristics:

6. Drying characteristics: Do not touch after 2 minutes of printing

[Point 6] Ink, color sequence and viscosity...

• The inks are stacked, who is pulling?

• Overprint rate affects color and gray balance

• Density also affects overprinting

• Recognize ink stickiness and color order

• Change the perception of color sequence

• How to measure overprinting

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