Thinner Paste (Viscosity Reducer Gel)
1. Overview & Applications
The Thinner Paste is a translucent, jelly-like rheology modifier that exhibits excellent compatibility with PVC, nylon, metal/glass, and plastic screen printing inks. By substituting standard liquid solvents with this paste, printers can significantly improve the 3D tactile effect and crispness of printed graphics.
Primary Functions: Effectively prevents common printing defects such as edge blurring, stringing, bleed-through, substrate show-through (poor opacity), and color mottling.
Specific Applications:
- Signage & Nameplates: Enhances the sharpness and 3D definition of fine text and logos.
- Nylon & Oxford Cloth: Prevents ink penetration (bleed-through) into the fabric, stops edge blurring, and maintains a solid, opaque ink layer.
2. Product Models & Drying Speeds
| Model | Drying Speed & Recommended Application |
|---|---|
| M-1 Fast-Dry | Fast evaporation. Recommended for large-area solid printing and winter/low-temperature use. |
| M-2 Slow-Dry | Slow evaporation. Ideal for fine details, halftones, and summer/high-temperature use. |
| M-3 Medium-Dry | Medium evaporation rate for standard, year-round general printing. |
3. Mixing Instructions
Add the Thinner Paste directly into the screen printing ink. The recommended addition ratio is 20% to 35% by ink weight. Stir the mixture thoroughly until a uniform consistency is achieved before printing.
4. Precautions & Storage
- Gloss Reduction: Adding large amounts of Thinner Paste may result in a slight reduction in the ink's final gloss level.
- Textile Hand-Feel: When used in large quantities with nylon inks, it may slightly increase the stiffness (hand-feel) of the printed layer.
- Pre-Testing Required: Always conduct a small-batch print test before mass production to evaluate the paste's impact on gloss, adhesion, and overall finish.
- Storage & Shelf Life: Store in a cool, dark environment at low temperatures. The shelf life is 2 years from the date of manufacture.
- Oil Separation: After prolonged storage, a clear, oil-like substance may separate and float to the surface. This is normal. Simply stir the paste thoroughly before use; product quality and performance are unaffected.
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