Silicone ink(XG-866A-2Y)
Product Overview
XG-866A-2Y is a specially formulated heat transfer silicone designed for high-performance textile applications. It is engineered to serve as an undercoat or base silicone layer in the heat transfer label production process, particularly for direct printing and transfer printing on a wide range of fabrics. This product is widely used in apparel, sportswear, footwear, fashion accessories, and promotional items that require strong adhesion, long-lasting durability, and vibrant visual effects.
With excellent printability, smooth flow characteristics, and stable curing behavior, XG-866A-2Y provides a reliable foundation for subsequent silicone layers, pigments, or adhesives. When combined with its dedicated catalyst XG-866B-2, the system exhibits superior bonding strength, improved surface hardness, and enhanced washing fastness, making it ideal for high-end heat transfer applications.
Recommended Usage
Catalyst addition: 3% XG-866B-2
Optional thinner: 10% XG-128AH (adjust based on mesh size and print thickness)
Curing: 120°C flash drying per layer; oven cure at 110°C for 20–30 minutes
Heat transfer: 160–170°C, 20 seconds, pressure 4–6 kg
Typical Applications
Heat transfer labels
Silicone undercoat for direct printing
Raised / 3D silicone printing
Underlayers for color silicone
Sportswear branding, logo printing
Footwear and accessory decorations
Textile labels requiring high durability
Key Features & Benefits
1. Excellent Adhesion Performance
XG-866A-2Y forms a strong and uniform silicone layer that adheres well to both hot‐melt adhesives and topcolor layers. This ensures the final heat transfer maintains its integrity even after repeated washing and stretching.
2. Smooth Printing and Easy Operation
The silicone's optimized viscosity and flow characteristics make it easy to print through various mesh screens. It spreads evenly without clogging, allowing manufacturers to achieve clean, high-resolution graphics.
3. Compatible with Additives and Pigments
When mixed with 3% XG-866B-2 catalyst and suitable silicone pigments, the material cures consistently and delivers rich, solid colors. Its compatibility with thinners such as XG-128AH allows operators to fine-tune fluidity based on printing requirements.
4. Enhanced Durability and Fastness
The cured silicone layer provides excellent resistance to washing, abrasion, and high temperatures. This makes it particularly suitable for garments that undergo frequent laundering, such as sportswear and children's clothing.
5. Ideal Base Layer for Heat Transfer Processes
Used as an undercoat, XG-866A-2Y creates a smooth, stable foundation that improves the overall definition and depth of the final transfer. It enhances thickness control, embossing effects, and the tactile quality of the finished design.
Process Operation Procedure for Heat Transfer Silicone (Direct Printing)
This operation procedure outlines the complete workflow for producing high-quality heat transfer labels using silicone direct printing technology. The process involves four primary printing stages-hot-melt adhesive, middle-layer adhesive, thickness layer, and color layer-followed by proper drying, curing, and final heat-press transfer. Each step must be performed carefully to ensure strong adhesion, excellent washing fastness, and long-term durability on various fabrics.
1. Printing the Hot-Melt Glue / Adhesive Layer
Begin with the application of the hot-melt adhesive, which forms the foundation for the transfer's bonding performance. Use XG-360R-2 hot-melt adhesive and print 6–8 rounds depending on the pattern size and fabric characteristics.
Larger patterns or fabrics with deep texture may require additional layers to ensure full coverage and adequate bonding.
Uniform application is essential-irregular coating will affect the final adhesion strength and may lead to partial lifting during washing or wearing.
After each round, perform quick surface drying to stabilize the layer before proceeding to the next print.
2. Printing the Middle-Layer Adhesive
Once the hot-melt base is complete, prepare the middle-layer adhesive mixture.
To XG-360Z-3X middle-layer adhesive, add 10% XG-866B-2 additive to improve cohesion, flexibility, and resistance to delamination.
Print 2–3 rounds, ensuring even distribution across the entire design area.
This layer plays a critical role in preventing separation between the hot-melt adhesive and the subsequent silicone layers.
Proper drying after each print round ensures smooth stacking and prevents bubbling or surface defects.
3. Printing the Thickness Layer
Prepare the thickness layer by adding 3% XG-866B-2 additive to XG-866A-2Y thick-plate silicone, followed by 10% XG-128AH thinner to improve flow and printability.
Mix thoroughly until completely uniform, then print 4–5 rounds.
The number of rounds can be adjusted based on the customer's required raised effect or three-dimensional thickness.
This layer contributes significantly to the visual depth and tactile feel of the final transfer.
Consistent flash-drying at 120°C after each round helps maintain sharp edges and prevents deformation.
4. Direct Printing – Color Layer
For the color layer, add 3% XG-866B-2 additive into XG-866A-2Y heat transfer silicone, then incorporate 10% silicone pigment for coloration and 10% XG-128AH thinner to enhance print smoothness.
After thorough mixing, print 3–4 rounds depending on the required color density and opacity.
This stage creates the final visual appearance, so proper pigment dispersion and clean screen printing are essential for achieving high-resolution, vibrant patterns.
Drying, Curing, and Final Heat Transfer
After every printing step, perform flash drying at 120°C using a tabletop dryer to fix each layer in place.
Once the entire print is complete, place the finished sheets into a closed oven at 110°C for 30 minutes to fully cure the silicone and adhesives.
For final application onto fabric, use a heat press set to:
Temperature: 160–170°C
Time: 20 seconds
Pressure: 4–6 kg
This ensures optimal bonding and long-term durability, including strong washing fastness and resistance to delamination.
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