KV - Advanced Pad Printing Ink
1. Overview & Applications
The KV Series is a premium industrial pad printing ink engineered with exceptional rheological properties to ensure complete ink transfer/release from silicone pads. It is highly valued for its anti-stringing performance, superb opacity, and robust chemical resistance.
Applicable Substrates: ABS, PVC, PS, Polycarbonate (PC), Acrylic (PMMA), Acrylic-painted surfaces, and treated PP/PE materials.
Primary Applications: Electronic enclosures, home appliance casings, digital product components, office stationery, automotive/industrial parts, powder-coated products, membrane switches, and labels.
Note: While optimized for pad printing, the KV Series can also be utilized for screen printing processes where exceptionally high color opacity is required.
2. Physical & Chemical Performance
| Gloss Finish | High Gloss |
|---|---|
| Adhesion (Cross-Hatch) | 3M Tape Peel Test: 100% Retention |
| Pencil Hardness | 45° angle, 200g load: 1H |
| Abrasion Resistance | EF74 Eraser, 100g load, 100 rubs: No substrate exposure |
| Alcohol Resistance | Cotton swab with alcohol, 500g load, 100 rubs: No substrate exposure |
| Acid Resistance | Soaked in 5% H₂SO₄ (room temp) for 8 hours: No abnormalities |
| Water Resistance | Submersed in tap water for 6 days: No abnormalities |
| Grease / Oil Resistance | Soaked in salad oil for 8 hours (room temp): No abnormalities |
| Environmental Compliance | Fully complies with EU RoHS heavy metal directives. |
3. Color Series
The KV series includes 65 standard colors, all rigorously tested for heavy metal compliance. Pantone matching formulas are available upon request.
- Standard Base Colors: 101 Tinting White, 102 Extra White, Yellows, Reds, Blues, Greens, 702 Extra Black, and 901 Clear Varnish.
- High-Opacity Series (G): G2201 Lemon Yellow, G3301 Bright Red, G4401 Purple, G5501 Blue, etc. (Formulated for superior coverage without a white underbase).
- CMYK Process Colors: 801 Red, 802 Yellow, 803 Blue, 804 Black.
- Metallic Colors: A01 to A07 (Flash Silver, Bright Silver, Red Gold, Cyan Gold).
- Pearl & Fluorescent Colors: B-Series (Pearl Silver, Chameleon Colors); D-Series (Fluorescent Yellow, Red, Blue).
4. Processing Guidelines & Additives
Mixing Formula & Viscosity
Thoroughly stir the ink before use. To achieve the correct pad printing transfer viscosity, add 20% - 30% KT-100 Thinner by weight.
Performance Upgrade (2-Component Process)
If the final product demands extreme abrasion resistance, superior alcohol tolerance, and maximum adhesion, the ink can be upgraded to a reactive 2-component system:
- Add 5% - 10% B-5 Hardener to the ink mixture.
- Pot Life: Once the hardener is added, the ink must be used within 8 hours. Do not use beyond this timeframe to avoid viscosity spikes and poor transfer.
- Curing: After printing, allow the printed pieces to rest at room temperature. Maximum chemical and physical performance is achieved after 72 hours.
Storage & Precautions
- Store in a cool, dry place tightly sealed. Keep away from heat and open flames.
- Shelf life is 2 years from the date of manufacture.
- Do not intermix KV Series inks with other brands or product lines to prevent adverse chemical reactions.
Want to see commercial applications and printing examples for this pad printing ink?
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