Matsui SI0325 Stop Black Silicone Ink – High-Opacity Dye-Blocking Silicone Ink for Performance Apparel

Name: Matsui SI0325 Stop Black Silicone Ink - High-Opacity Dye-Blocking Silicone Ink for Performance Apparel
SKU: 202181
Availability: InStock

Matsui

Matsui SI0325 Yama Stop Black is a premium high-opacity silicone ink engineered to stop dye migration and deliver a deep, solid black finish on polyester, nylon, and high-stretch performance fabrics. Designed specifically for modern athleticwear, team sports uniforms, compression garments, and retail active apparel, this ink provides strong dye-blocking power while maintaining excellent stretch and durability.

Formulated within the Matsui Yama Silicone system, Yama Stop Black lays down smooth with a rich matte black tone and exceptional elasticity—ensuring your prints stay clean, bold, and flexible through high-motion wear and repeated washing. Ideal for standalone black prints or as a blocking base under Yama silicone colors when printing on dye-saturated garments.

Whether you’re printing high-end gym apparel, collegiate sports uniforms, or premium streetwear, Yama Stop Black delivers maximum dye resistance and a premium retail finish.

Price range: $72.00 through $1,056.00

Size

Quart
Gallon
5 Gallon

Clear

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SKU: N/A Category: Silicone Inks Tags: black silicone barrier ink, Dye-blocking silicone ink, Matsui SI0325 Stop Black, matsui stop black silicone ink, matsui yama silicone stop black, Matsui Yama Stop Black, performance apparel silicone blocker, professional silicone screen printing ink, si0325 silicone ink, Silicone black screen printing ink, silicone dye migration blocker, silicone ink for polyester apparel, sublimation blocking silicone ink

Description

Matsui SI0325 Yama Stop Black Silicone Ink Key Features:

High opacity black with strong dye-blocking performance
Matte finish with deep, rich black tone
Excellent stretch, rebound, and flexibility
Helps prevent dye migration on sublimated and polyester garments
Smooth hand feel — ideal for premium athletic and fashion print programs
Superior wash durability & abrasion resistance
Works with manual & automatic presses
Compatible with Yama silicone bases & pigments
Drop ships from Matsui — Gardena, CA

Best For

Polyester & sublimated garments
Compression wear & performance fabric apparel
Sports uniforms & gym apparel
Premium fashion & tech-wear brands
Dark synthetic fabrics prone to dye bleed

Pro Tip

Use Yama Stop Black as an underbase when printing bright silicone colors on high-bleed fabrics to ensure maximum dye resistance and color clarity.

Pair With:

Technical Specifications

Technical Specifications — Matsui SI0325 Yama Stop Black Silicone Ink

Property	Specification
Ink System	2-part silicone ink
Function	High-opacity black + dye-blocking performance
Finish	Deep matte black
Opacity	Very high — optimized for dark & sublimated fabrics
Dye Migration Resistance	Excellent (blocker-grade black)
Stretch	Excellent — engineered for activewear fabrics
Hand Feel	Smooth, flexible, soft matte finish
Recommended Fabrics	Polyester, sublimated garments, nylon, spandex blends
Press	Manual or automatic
Mesh	80–160 mesh (31–63T) depending on coverage and detail needs
Squeegee	70–80 durometer or triple-duro blade
Flash Temp	~~220°F (104°C) for 5–8 seconds
Cure Temp	300–320°F (150–160°C) for 1–2 minutes
Ink Film Temperature	Must exceed 250°F (121°C) internal temp
Pot-Life	~4–6 hours after catalyst is mixed in
Storage	65–77°F (18–25°C), sealed container
Shelf Life	12 months unopened
Cleanup	Silicone-compatible screen cleaner

Special Feature: Engineered to act as both an underbase blocker and stand-alone high-opacity black for performance fabrics.

Mixing Instructions

Stir ink thoroughly before use
Add 10% Matsui Silicone Catalyst
- Standard ratio: 90% ink : 10% catalyst
Mix thoroughly until uniform and bubble-free
Allow 5–10 minutes rest time to release air bubbles
Only catalyze the amount you can use within 4–6 hours

Do not exceed catalyst ratio — shortened pot-life & performance loss may occur.

Printing Instructions

Print 1–2 strokes depending on opacity needs
Use low mesh for maximum coverage / blocking
Flash between layers if required
- ~220°F (104°C) for 5–8 seconds
Keep screens flooded to Prevent drying in the mesh
For extreme bleed garments, print two layers or back it with a silicone barrier base

Recommended as a first-down blocker when printing bright silicone colors over sublimated polyester or heavily dyed fabrics.

Curing Instructions

Cure in conveyor dryer at 300–320°F (150–160°C)
Ensure ink film reaches >250°F (121°C) internal temperature
Slower belt speed may be required — silicone reflects heat

✅ Check cure using stretch test & wash test
❌ Do not under-cure — may lead to cracking or poor dye-block performance

Best Practices

✅ Stir during print run to maintain consistency
✅ Test on production fabric before full runs
✅ Confirm dye stability with heat press test when printing sublimated garments
✅ Store sealed when not in use

❌ Do not mix with non-silicone ink systems
❌ Avoid harsh solvents — use silicone-approved cleaners only

Technical Sheets / Safety Data Sheets / Documents

Matsui Yama Stop Black Technical Data Sheet

Yama Silicone Technical Sheet

FREQUENTLY ASKED QUESTIONS

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Matsui SI0325 Stop Black Silicone Ink – High-Opacity Dye-Blocking Silicone Ink for Performance Apparel

Description