Matsui Soft-Tex White 350 | Polyurethane Rubber-Binder Water-Based White Ink for Maximum Stretch & Extreme Elasticity Screen Printing
Matsui
Matsui Soft-Tex White 350 (WS0542) is the only white ink in the Matsui lineup with a polyurethane rubber binder — a completely different chemistry from all other Matsui whites. It delivers rubber-like elasticity and maximum stretch with a silicone-like, no-tack finish on performance fabrics. Anti-foil sticky. ⚠️ Uses Fixer V (NOT Fixer WF-N) for wash fastness. Use Clear 350G as an undercoat on dark fabrics before applying Soft-Tex White 350. Prints through 110–160 mesh. Cures at 320°F. PVC-free. For shops printing on extreme-stretch fabrics where rubber-like rebound is essential.
✓Polyurethane Rubber Binder — Unique in Matsui Lineup
✓Maximum Elasticity for Extreme Stretch
✓Silicone-Like No-Tack Finish
✓Anti-Foil Sticky
✓⚠️ Uses Fixer V (Not Fixer WF-N)
✓110–160 Mesh Range
✓OEKO-TEX® Certified
✓PVC-Free Formula
🚚 FREE Shipping on orders over $200|📦 In-Stock: Usually ships same or next business day|🏪 Free In-Store Pickup · San Antonio, TX
Price range: $159.99 through $4,659.99
Description
Soft-Tex White 350 — EXTREME STRETCH SPECIALIST — PU rubber binder. Different chemistry, different fixer (Fixer V). Maximum elasticity.
Soft-Tex White 350 occupies a unique position in the Matsui lineup: it is the only white with polyurethane binder chemistry. Every other Matsui white uses acrylic binders. Soft-Tex White 350 uses a rubber-like PU binder that produces a fundamentally different type of elasticity — not just flexible, but rubber-like in its stretch and recovery. When acrylic inks hit the limits of their elasticity on extreme-stretch fabrics, Soft-Tex White 350 keeps going. For Lycra, spandex blends, swimwear, and extreme-compression garments — this is the ink.
Why Soft-Tex White 350?
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Where It Fits in the Matsui Lineup
Soft-Tex White 350 is extreme stretch specialist — pu rubber binder. different chemistry, different fixer (fixer v). maximum elasticity. — see the full comparison chart below.
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Mesh & Opacity
Max mesh: 110–160/inch. Opacity: High — strong white coverage on light and dark performance fabrics.
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Hand Feel & Finish
Hand feel: Silicone-like, no tack — rubber-like feel. Finish: Rubber/silicone-like, no tack.
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Elasticity
Maximum — rubber binder for extreme-stretch fabrics
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Custom Color Mixing
Mix with up to 15% Matsui Neo Pigments for custom pastel and tinted colors — retains all performance characteristics.
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Eco-Compliance
OEKO-TEX® Standard 100 certified. CPSIA and HR4040 compliant. PVC-free, phthalate-free, no co-solvents.
The Complete Matsui White Ink Comparison — All 9 Whites
Matsui makes 9 different white inks, each optimized for a specific combination of substrate, mesh range, opacity, and hand feel. Soft-Tex White 350 is highlighted below.
| White Ink | Code | Max Mesh | Opacity | Primary Substrates | Elasticity | Hand Feel | Finish | Binder | Best For |
|---|---|---|---|---|---|---|---|---|---|
| 301W-B White | WS0537 | 305/in | High | 100% light cotton | Standard | Ultra-soft | Matte | Acrylic | Softest, highest-mesh cotton white |
| EasyPrint White | WS0529 | 225/in | Medium | Performance, Dri-Fit, cotton | Excellent | Buttery soft | Soft sheen | Acrylic | Fine detail at 200+ mesh on performance fabrics |
| Stretch White 301 | WS0502 | 150–180/in | High | Dri-Fit, athletic, compression | Excellent | Silicone-like soft | Silicone-like | Acrylic | Bold opaque white on dark performance fabrics |
| Soft Stretch White | WS0525 | 150–180/in | High | Performance, Dri-Fit, stretch | Excellent | Silicone-like, barely there | Silicone-like | Acrylic | Premium softness — barely-there feel on activewear |
| Kombat White | WS0545 | 160/in | Very High | Performance, Dri-Fit, poly blends | Excellent | Silky soft | Bright white | Acrylic | Brightest standalone white — anti-foil — top layer only |
| Acrylicon White | WS0531 | 160/in | High | Performance, Dri-Fit, stretch | Excellent | Silicone-like, zero tack | Matte silicone-like | Acrylic | Premium matte finish + zero tack — silicone ink alternative |
| White 301W-10-4 | WS0472-1 | 160/in | High | Performance, Dri-Fit, stretch | Excellent | Extremely soft | Matte | Acrylic | General-purpose performance white for all stretch work |
| Simple White 301 | WS0562 | 160/in | High | Cotton, poly, blends, Dri-Fit — BROADEST | Excellent | Soft | Standard | Acrylic | Economy multi-substrate generalist — lowest cost per print |
| Soft-Tex White 350 | WS0542 | 110–160/in | High | Extreme-stretch: Lycra, spandex, swimwear | Maximum | Silicone-like, no tack | Rubber/silicone | Polyurethane (PU) | Extreme-stretch specialist — rubber binder — uses Fixer V |
Printing Soft-Tex White 350 — Substrate Guide
Primary substrates: Performance fabrics requiring rubber-like elasticity — Lycra, spandex, extreme-compression, swimwear, athletic synthetics
🛡️ Dark Polyester Note: For dark fabrics, use Under Base Blocker 350 first, flash, then apply Soft-Tex White 350, flash, then print Clear 350B with colors.
⚠️ Not For: Do NOT use Fixer WF-N — use Fixer V only. Not compatible with all standard Matsui acrylic additives.
💡 Key Note: COMPLETELY DIFFERENT BINDER CHEMISTRY — polyurethane rubber binder, not acrylic. Uses Fixer V, not Fixer WF-N. Anti-foil sticky. Use Clear 350G undercoat on dark fabrics. Part of the Matsui 350 Series system.
Recommended Additives
⚠️ Fixer Note for Soft-Tex White 350: Use Fixer V at 2–3% — NOT Fixer WF-N. Different binder chemistry requires a different fixer.
| Additive | Dosage | Purpose |
|---|---|---|
| Retarder MG | 1–5% | Extends open time in the screen |
| Fixer V | 2–3% | ⚠️ Use Fixer V ONLY (not WF-N) — improves wash fastness for PU binder |
| Thickener B | 0.25–1% | Adjusts viscosity upward |
Browse All Matsui White Inks
View the complete Matsui Water-Based White Ink collection →
Questions? We’re here to help.
Call us at (512) 454-0505 Mon–Fri 9am–5pm CT
Technical Specifications
| Specification | Detail |
|---|---|
| Product Name | Matsui Soft-Tex White 350 |
| Product Code | WS0542 |
| SKU | Contact for SKU |
| Type | Polyurethane Rubber-Binder Water-Based White Ink for Maximum Stretch & Extreme Elasticity Screen Printing |
| Binder Chemistry | Polyurethane (rubber binder) — DIFFERENT chemistry from all other Matsui whites |
| Opacity | High — strong white coverage on light and dark performance fabrics |
| Recommended Mesh Count | 110–160/inch |
| Cure Temperature | 320°F (160°C) |
| Flash Temperature | 160°F (71°C) — decreases with deposit thickness |
| Finish | Rubber/silicone-like, no tack |
| Hand Feel | Silicone-like, no tack — rubber-like feel |
| Elasticity | Maximum — rubber binder for extreme-stretch fabrics |
| Substrates | Performance fabrics requiring rubber-like elasticity — Lycra, spandex, extreme-compression, swimwear, athletic synthetics |
| Dark Polyester | For dark fabrics, use Under Base Blocker 350 first, flash, then apply Soft-Tex White 350, flash, then print Clear 350B with colors. |
| Fixer / Wash Fastness | ⚠️ Fixer V at 2–3% — NOT Fixer WF-N. Different additive system from all other Matsui whites. |
| Mixing with Neo Pigments | Compatible with up to 15% Matsui Neo Pigments for custom colors |
| Squeegee | Medium hardness, sharp blade, 45° angle, medium speed |
| Emulsion | Direct or indirect, water-resistant |
| Viscosity Modification | None required — prints straight from the bucket |
| Storage | 65°F to 95°F (18°C to 35°C). Avoid direct sunlight. |
| Cleanup | Water and mild soap or detergent |
| Available Sizes | Gallon, 5 Gallon Pail, 55 Gallon |
| Certifications | OEKO-TEX® Standard 100 certified. CPSIA and HR4040 compliant. |
| Formulation | PVC-free, phthalate-free, no co-solvents |
| Technical Documents | Technical Data Sheet |
Technical Sheets / Safety Data Sheets / Documents
FREQUENTLY ASKED QUESTIONS
What makes Soft-Tex White 350 different from the other Matsui whites?
Soft-Tex White 350 uses a polyurethane (PU) rubber binder instead of the acrylic binder used by all other Matsui whites. This gives it rubber-like elasticity that goes beyond what acrylic inks can achieve. It also uses a different fixer — Fixer V, not Fixer WF-N. It is part of the Matsui 350 Series system, which includes Clear 350G as an undercoating layer.
⚠️ Which fixer should I use with Soft-Tex White 350?
Use Fixer V at 2–3%. Do NOT use Fixer WF-N — that is the acrylic fixer and is not compatible with the polyurethane binder chemistry of Soft-Tex White 350. Using the wrong fixer will affect wash fastness.
When should I choose Soft-Tex White 350 over Stretch White?
Choose Soft-Tex White 350 when you are printing on extreme-stretch fabrics (Lycra, high-spandex blends, competitive swimwear, extreme-compression garments) where rubber-like elasticity is essential. For standard Dri-Fit, athletic wear, and performance polyester, Stretch White 301 covers most jobs with less complexity.
How do I print Soft-Tex White 350 on dark fabrics?
For dark fabrics: 1) Print Under Base Blocker 350, flash. 2) Print Soft-Tex White 350, flash. 3) Print Clear 350B with Neo Pigment colors on top. This three-layer system is specific to the 350 Series and differs from the standard acrylic white workflow.
Can I mix custom colors with Soft-Tex White 350?
Yes — add up to 15% Matsui Neo Pigments to Soft-Tex White 350. For transparent colors in the 350 Series, use Clear 350B mixed with Neo Pigments for the color layers printed on top of the white.
What mesh count should I use?
Use mesh up to 110–160/inch. See the product description for specific guidance on mesh selection for dark garments vs. standard production.
Do I need to add anything to this ink before printing?
No. Soft-Tex White 350 prints straight from the bucket with no viscosity modifications required. Optional additives (Retarder MG, Fixer WF-N, Quick Additive) are available for fine-tuning specific applications.
Is it safe for children’s garments and major brand RSL compliance?
Yes. OEKO-TEX® Standard 100 certified, CPSIA and HR4040 compliant. Meets all RSLs for major brands. PVC-free, phthalate-free, formaldehyde-free.
Can I mix custom colors?
Yes — add up to 15% Matsui Neo Pigments to Soft-Tex White 350 to create custom pastel and tinted colors.
Questions? We’re here to help.
Call us at (512) 454-0505 Mon–Fri 9am–5pm CT
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