Grey Blocker Underbase – IronBlock LC – 270°F Low Cure for Dye Migration Control

IronBlock LC Grey Blocker – Low Cure Underbase for Dye Migration Control on All Fabric Blends

Long Description:

IronBlock LC by Total Ink Solutions® is a low cure grey blocker plastisol ink designed as a premium underbase to stop dye migration across all garment blends—from 100% polyester to poly/cotton, tri-blends, and performance fabrics. Whether you're working with sublimated jerseys, heathered tees, or athletic apparel, IronBlock LC creates a reliable barrier that locks in your base and keeps top colors clean and vibrant.

Engineered for maximum bleed resistance and easy press performance, IronBlock LC cures as low as 270°F–290°F, helping you protect heat-sensitive garments while increasing production speed. Its high-opacity grey formula offers strong coverage in just one hit, making it the ultimate foundation layer for white and color top coats.

With smooth consistency and excellent adhesion, IronBlock LC is trusted by professional printers for bold results, consistent print quality, and unmatched dye-blocking power.

Key Features:

• Universal grey blocker for all fabric blends

• Low cure performance: 270°F–290°F

• Prevents dye migration from sublimated, poly, tri-blend, and poly/cotton garments

• High-opacity grey base for vibrant overprints

• Ideal for use under white or color plastisol inks

• Smooth, buttery texture for easy printing and fast flashing

• Phthalate-free and CPSIA compliant

Recommended Use:

• Mesh Count: 86–305

• Flash Temp: 220°F for 3–5 seconds

• Final Cure Temp: 270°F–290°F

• Squeegee: 60–70 durometer, medium pressure

• Top Coats: Plastisol white or color inks

• Substrates: All blends, including polyester, poly/cotton, tri-blend, and sublimated fabrics