Champion Inks® OPTI-934B Retarder – Precision Ink Flow & Adhesion for Vinyl & PVC Printing | 40000 Series
Controlled drying. Consistent performance.
Champion Inks® OPTI-934B Retarder is a high-performance ink additive formulated to enhance adhesion, printability, and durability on flexible vinyl, rigid PVC, and coated polyester (Mylar®). Specifically engineered for 40000 Series Screen Inks, it prevents premature drying and maintains smooth, consistent ink flow—ideal for precision printing on pressure-sensitive decals and other vinyl-based substrates.
With a mild odor and non-aggressive solvent formulation, OPTI-934B provides a safer, more comfortable work environment. It delivers a high-gloss, scuff-resistant finish built to endure heavy use and outdoor exposure, while fully complying with California Proposition 65 and RoHS standards for safety and environmental responsibility.
Key Features & Benefits
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Superior Adhesion – Optimized for flexible vinyl, rigid PVC, and coated polyester substrates.
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High-Resolution Printing – Produces clean, detailed, and vibrant prints.
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Extended Durability – Provides excellent resistance to abrasion, weather, and wear.
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Prevents Premature Drying – Maintains consistent ink performance under hot or humid conditions.
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Safer Formula – Mild odor and non-aggressive solvents for improved operator comfort.
Recommended Substrates
- Flexible Vinyl
- Rigid PVC
- Pressure-Sensitive Decals
- Coated Polyester (Mylar®)
Product Compatibility
Designed for 40000 Series Screen Inks, ensuring superior flow, adhesion, and durability across vinyl-based printing applications. Perfect for long production runs requiring consistent performance and print clarity.
Pre-Test Recommended: Always test on your specific substrate before full-scale production to confirm adhesion and drying behavior.
Finish
High-Gloss Finish – Smooth, scuff-resistant surface for enhanced visual appeal and long-term protection.
Ink Modification & Additive Guide
| Modifier |
Purpose |
Recommended Use |
| T-182 / T-920 / T-975 |
Reduce viscosity & improve ink flow |
5–10% by weight |
| T-922 / T-934B Retarder
|
Prevent drying in hot or humid environments |
3–5% by weight |
| FA-011 Flow Agent |
Enhance ink smoothness & leveling |
0.5–1% by weight |
| 40928 Match Base |
Extend color range / reduce pigmentation |
As needed |
| 40PC850 Halftone Base |
Improve fine detail reproduction |
As needed |
Screen Printing Guidelines
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Coverage: ~1,000 sq. ft. per gallon (250-mesh screen)
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Mesh: 230–280 (92T–112T/cm European)
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Stencil: Optima EM-500, SBQ, or other solvent-resistant emulsions
Drying & Curing Instructions
| Method |
Time & Temperature |
| Air Dry |
20–30 minutes (solvent evaporation) |
| Jet Dry |
40–60 seconds @ 150°F–180°F (66°C–82°C) |
Clean-Up Recommendations
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Primary Solvents: T-902, T-911, or T-925 Wash-Up
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Eco Alternatives: SC-500 Bio Wash-Up or SC-510 Instant Bio Wash-Up
- Ensures fast cleanup and longer screen life.
Available Packaging
- 1-Quart (0.945 L)
- 1-Gallon (3.78 L)
Safety & Handling
- Consult the MSDS before use for full safety instructions.
- Wear protective gloves and eye protection during handling.
- Maintain proper ventilation to avoid inhalation of fumes.
- Store in a cool, dry location away from direct sunlight or ignition sources.
Why Choose Champion Inks® OPTI-934B Retarder?
Champion Inks® OPTI-934B Retarder provides unmatched control and performance for printing on vinyl and PVC. By extending open time and improving adhesion, it ensures consistent, durable, and visually striking prints—every time.
Champion Inks® — Precision Flow. Lasting Results.
