Plastisol inks are screen printing inks made from PVC-based particles suspended in a plasticizer. Unlike water-based inks, plastisol inks do not dry by evaporation and remain liquid until they are exposed to heat, which causes the ink to cure and solidify on the printed surface.
Plastisol inks are widely used in textile screen printing due to their strong color opacity, durability, and ease of use. They are especially popular for printing on dark fabrics and for high-volume production.
Key features of plastisol inks
Plastisol inks are known for their stability and consistent performance during printing. Key features include:
● PVC-based ink formulation
● Heat-activated curing process
● High opacity and vibrant colors
● Thick ink deposit on the surface
● Long open time without drying on the screen
These features make plastisol inks reliable for both manual and automatic printing.
How plastisol inks work in screen printing
Plastisol inks remain wet on the screen until heat is applied, allowing extended working time during printing. The printing process typically includes:
● Pushing plastisol inks through the screen mesh
● Depositing ink on top of the fabric surface
● Keeping the ink wet during printing
● Applying heat using a flash dryer or conveyor dryer
● Curing the ink to permanently bond it to the fabric
Proper curing is essential to ensure wash resistance and durability.
Types of plastisol inks
Plastisol inks are available in various formulations to meet different printing needs. The most common types include:
● Standard plastisol inks for general textile printing
● High-opacity plastisol inks for dark garments
● Low-bleed plastisol inks for polyester fabrics
● Soft-hand plastisol inks for improved flexibility
● Specialty plastisol inks such as metallic or puff
Each type is selected based on fabric type and desired print effect.
Materials compatible with plastisol inks
Plastisol inks are primarily designed for textile applications. Common compatible materials include:
● Cotton fabrics
● Polyester and blended textiles
● T-shirts, hoodies, and workwear
● Textile-based promotional products
● Some coated and specialty fabrics
They are not typically used on paper or rigid materials.
Where plastisol inks are commonly used
Plastisol inks are widely used in commercial garment printing. Typical applications include:
● T-shirt and apparel screen printing
● Promotional and branded clothing
● Sports uniforms and team wear
● Event merchandise
● Industrial textile printing
Their durability makes them suitable for repeated washing and heavy use.
Advantages of using plastisol inks
Plastisol inks offer several advantages compared to other ink systems. Main advantages include:
● Bright and highly opaque colors
● Excellent durability and wash resistance
● Easy handling and long screen open time
● Consistent results in high-volume production
● Compatibility with automated printing systems
These advantages make plastisol inks one of the most commonly used inks in screen printing.
Plastisol inks are heat-cured screen printing inks that sit on the surface of the fabric to create durable, vibrant prints. Their reliability, strong color performance, and ease of use make them a standard choice for professional textile screen printing.
