Matsui Stretch Clear 301 | Silicone-Like Water-Based Clear Mixing Base for Custom Colors on Performance & Stretch Fabric Screen Printing

Matsui

Matsui Stretch Clear 301 is the standard performance fabric clear mixing base in the Matsui lineup — the go-to choice for printing custom colors on Dri-Fit, Lycra, activewear, and high-stretch fabrics. Prints through 150-180 mesh for a silicone-like, barely-there finish with excellent elasticity. Mix with Neo Pigments up to 15% using the free Matsui Color Mixer Software. Zero viscosity modifications required. Cures at 320F. PVC-free, OEKO-TEX Standard 100 compliant. The performance base that 80% of stretch printing jobs call for.

✔ Clear Base for Performance & Stretch Fabrics
✔ Silicone-Like Finish — Excellent Elasticity
✔ 150-180 Mesh Capability
✔ Mix with Neo Pigments for Pantone Colors
✔ Zero Viscosity Modifications Needed
✔ The 80% Standard for Stretch Printing
✔ PVC-Free | OEKO-TEX | CPSIA & HR4040
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Price range: $29.99 through $299.99

Description

The Standard Performance Fabric Clear Base — 80% of Stretch Jobs Start Here

Matsui Stretch Clear 301 is the everyday performance clear base for shops that print on activewear. Clear, silicone-like finish, 150-180 mesh, excellent elasticity, Neo Pigment compatible, and production-ready from the container. The base that covers most stretch printing jobs.

Performance Fabric Specialist

Engineered for Dri-Fit, Lycra, compression garments, activewear blends, and other high-stretch synthetics. The acrylic binder formulation includes elastomers that stretch and recover with the fabric without cracking.

Pantone Color Matching

Mix with Matsui Neo Pigments up to 15% by weight for custom colors. Use the free Matsui Color Mixer Software for exact Pantone formulas. The same pigment system as the cotton 301 Series bases.

150-180 Mesh Mesh Capability

The optimal mesh range for stretch fabrics — 150-180/inch. This deposits enough ink for good color saturation while keeping the print thin enough for excellent stretch and recovery without cracking.

Silicone-Like Finish

All Stretch Series bases produce a silicone-like surface feel on performance fabrics — integrated into the synthetic fiber structure for a barely-there print that moves with the garment.

Dark Polyester Ready

For dark polyester, print Under Base Blocker first, flash, then print your stretch base colors. The blocker prevents polyester dyes from migrating into the ink during curing.

Full Additive Compatibility

Compatible with Retarder MG, Fixer WF-N, Softener MG, Thickener B, RV Additive, and Quick Additive.

Complete System — Everything You Need

REQUIRED
RECOMMENDED
OPTIONAL
Required
This product. Quart or Gallon.
Required
5-15% by weight for custom Pantone colors.
Recommended
1-5% — essential for activewear wash durability.
Recommended
1-5% for screen open time on long runs.
Recommended
6-9% all-in-one production solution.
Optional
0.25-1% for halftone dot retention.
Optional
1-3% to reduce viscosity.
Optional
For dark polyester — print first, flash, then Stretch Clear.
🎨
Free Color Matching Tool

Matsui Color Matching System

Get exact Neo Pigment mixing ratios for any Pantone® color — instantly, for free. Enter your Pantone code, select your base (301C, Stretch Clear, Discharge, etc.), and the CMS returns the precise formula. Consistent color across runs, operators, and months. No guessing. No waste. No rework.

Companion White Ink
Matsui Stretch White

Pair Stretch Clear colors with Stretch White for white underbases on dark performance fabrics. Same binder system, same mesh range.

Shop Companion White

Prefer Ready-to-Use? Skip the Mixing.

The Matsui Alpha Series and Infinity Series are ready-to-use inks with no mixing required — blendable with each other using your Pantone Formula Guide, no Color Mixer Software needed. Great for shops that want Matsui quality without maintaining a mixing system.

Browse Alpha SeriesBrowse Infinity Series

Stretch Clear 301 vs Premium Alternatives

Stretch Clear 301 — The 80% Base

Stretch Clear 301 is the standard choice for most performance fabric printing jobs. Excellent softness, great elasticity, silicone-like finish, Pantone-compatible via Neo Pigments and CMS. It handles the vast majority of activewear printing well at a standard price point.

When to Upgrade to Soft Stretch Clear

Soft Stretch Clear (WS0535) is the premium upgrade. Same mesh range, same Neo Pigments, same additives — but with a more refined, even-softer silicone-like finish. Use Soft Stretch Clear when hand feel is the #1 specification, the client is a premium brand, and the price point justifies the upgrade. About 20% of jobs.

Stretch Mat vs Stretch Clear

Stretch Mat 301 is the semi-opaque version of Stretch Clear — it provides partial coverage on colored performance fabrics and adds a matte character. Choose Stretch Clear for clear/vivid colors on light performance fabrics. Choose Stretch Mat for medium-colored performance fabrics where opacity is needed.

Best Use Cases

Activewear & Athletic Wear

The primary use case. Custom Pantone colors on Dri-Fit, athletic shirts, shorts, sports jerseys, compression wear, and yoga apparel. The silicone-like finish moves with the garment without cracking.

Fashion Performance Blends

Stretch fabrics in fashion and streetwear — Lycra blends, jersey knits, and performance fashion that requires a barely-there print aesthetic.

Sports Team Apparel

Team uniforms and sports apparel on performance synthetic fabrics where ink must withstand repeated stretching, washing, and athletic use.

Light-Colored Performance Garments

For dark performance fabrics, print a dye migration blocker first. Stretch Clear is the top color layer after the blocker and optional white underbase.

Stretch Clear vs Premium Options

FeatureStretch Clear ★ ThisSoft Stretch ClearStretch Mat
OpacityClearClearSemi-Opaque / Matte
Hand FeelExcellent★ Ultra-soft premiumExcellent
Mesh150-180/in150-180/in150-180/in
ElasticityExcellentExcellentExcellent
Best For80% of stretch jobsPremium brand softness specColored performance fabrics
PriceStandardPremiumStandard

All three use the same Neo Pigments and Matsui CMS. The choice is about performance fabric type, garment color, and finish quality specification.

Compatible Matsui Additives

All additives below are compatible. Do not exceed 15% total additives by weight. PVC-free, OEKO-TEX Standard 100 certified.

AdditiveDoseWhat It Does
Quick Additive6-9%All-in-one: open time + hand feel + wash fastness + dot retention
Retarder MG1-5%Extends screen open time — prevents ink drying in mesh
Fixer WF-N1-5%Wash & crock fastness crosslinker — no pot life — meets all RSLs
Softener MG1-4%Soft hand feel — improved fabric penetration and elasticity
Thickener B0.25-1%Raises viscosity — halftone dot retention
RV Additive1-3%Reduces viscosity — better than water for thinning

Pro Tips & Critical Notes

Blocker Required for Dark Polyester

For dark performance fabrics, print Under Base Blocker 301 Gray or Blocker Black LG first, flash, then print Stretch Clear colors. Without a blocker, polyester dyes migrate into the ink during curing.

Upgrade to Soft Stretch Clear for Premium Jobs

When the client specifies the absolute softest hand feel — or you’re printing for a premium brand that specifies performance — upgrade to Soft Stretch Clear. Same system, softer result.

Fixer WF-N is Essential for Activewear

Activewear gets washed frequently and stretched hard. Add Fixer WF-N at 1-5% or use Quick Additive at 6-9% for best wash durability on performance garments.

The Standard Performance Clear Base — Stretch Clear 301

Technical Specifications

Matsui Stretch Clear 301 — Technical Specifications

SpecificationValue / Detail
Product TypeClear water-based mixing base for performance and stretch fabrics
Mesh Range150-180/inch
Cure Temperature320F (160C)
FinishClear — silicone-like
ElasticityExcellent
Neo Pigment Mix RateUp to 15% by weight
Color SoftwareMatsui Color Mixer Software (free)
Fabric CompatibilityPerformance fabrics: Dri-Fit, Lycra, activewear blends, cotton/poly blends
Blocker Required ForDark polyester — print Blocker Gray or Blocker Black LG first
Retarder MGRetarder MG 1-5% for screen open time
Fixer WF-NFixer WF-N 1-5% for wash fastness (essential for activewear)
Quick AdditiveQuick Additive 6-9% for all-in-one solution
ComplianceOEKO-TEX Standard 100, CPSIA, HR4040, PVC-free
Dry Clean / Iron SafeYes

FREQUENTLY ASKED QUESTIONS

What pigments do I mix with Stretch Clear to create custom colors?

Mix Stretch Clear with Matsui Neo Pigments – concentrated color pigments covering the full Pantone spectrum. Add 5–10% pigment to base by weight, up to 15% maximum. The 150–180 mesh range means a heavier ink deposit than higher-mesh bases – more Neo Pigment per square inch, more saturated colors. For fluorescent neon effects, use Matsui Glow Pigments.

What is the difference between Stretch Clear and EasyPrint Clear?

Both are stretch-rated clears for performance fabrics, but different mesh ranges for different design types. Stretch Clear (150–180 mesh) deposits more ink for bolder, more vibrant colors and a silicone-like finish – ideal for solid fills, names, numbers, large logos. EasyPrint Clear (225 mesh) deposits less ink for finer detail – thin lines, small text, halftone gradients. Most performance shops stock both: Stretch Clear for 80% of jobs, EasyPrint Clear for 20% that need fine detail.

What is the difference between Stretch Clear and Soft Stretch Clear?

Same mesh range (150–180), same stretch rating. Soft Stretch Clear is the premium formulation that pushes softness even further – for high-end activewear brands that specify maximum softness. Stretch Clear is the production workhorse for the majority of performance work where excellent softness (not absolute maximum) is the standard.

Can I create fluorescent neon and blacklight-reactive prints with Stretch Clear?

Yes. Mix Matsui Glow Pigments into Stretch Clear for vivid fluorescent neon colors. Important: Glow Pigments are fluorescent pigments – ultra-bright neon in normal daylight, NOT phosphorescent glow-in-the-dark. They do not glow on their own in the dark. However, they are naturally UV/blacklight reactive – under blacklight, they absorb UV energy and re-emit intensely bright visible light. The heavier deposit at 150–180 mesh means more fluorescent pigment per square inch – brighter neon and stronger blacklight reaction. Fluorescent yellow, pink, orange, and green produce the strongest reaction.

What additives should I use with Stretch Clear?

For most jobs, use Quick Additive at 6–9%. For individual control, use Retarder MG (1–5%), Fixer WF-N (1–5% – highly recommended for athletic garments), and Softener MG (1–4%). Browse all Matsui additives here.

What is the silicone-like finish?

Stretch Clear produces a smooth, slightly tactile surface that feels like silicone ink – a premium, refined touch that fashion-forward athletic brands and activewear decorators specifically request. Unlike actual silicone ink systems, Stretch Clear uses standard water-based equipment, standard additives, and standard water-and-soap cleanup. You get the silicone feel without the silicone complexity.

Can I use Stretch Clear on cotton?

Stretch Clear is designed for performance fabrics, but it can be used on cotton as well. However, for cotton-only work, 301C Clear at 305 mesh produces a thinner, softer deposit optimized for cotton. Stretch Clear’s elasticity is unnecessary on cotton and the 150–180 mesh range deposits more ink than cotton typically needs.

Can I use Stretch Clear on dark polyester?

Yes, but print an Under Base Blocker first, flash, then apply your Stretch Clear + Neo Pigment color on top. The blocker prevents polyester dyes from migrating into the ink. Always test before production.

What mesh count should I use with Stretch Clear?

The recommended range is 150–180/inch. For maximum color vibrancy and coverage, use 150–156 mesh. For a balance of coverage and detail, use 160–180 mesh. For finer detail on stretch fabrics, step up to EasyPrint Clear at 200–225 mesh.

 

Do all Matsui bases work with Neo Pigments?

Yes – every acrylic Matsui base is designed to mix with Matsui Neo Pigments and Glow Pigments. The base determines substrate, mesh range, and finish. The pigments determine the color. The additives optimize the process.

Which Matsui bases require a blocker on polyester?

All of them. Every Matsui clear and mixing base requires a blocker on polyester to prevent dye sublimation migration. The acrylic bases use Under Base Blocker or Kombat Blocker. The polyurethane 350 Series uses Under Base Blocker 350. Always test before production.

Is Stretch Clear safe for children’s clothing?

Yes. Stretch Clear is OEKO-TEX® Standard 100 certified (suitable for baby products), CPSIA compliant, and HR4040 compliant. PVC-free, phthalate-free, no co-solvents.

What is the Stretch Clear / Stretch Mat relationship?

Same mesh range (150–180), same stretch rating, same substrate compatibility. Stretch Clear is transparent – for light garments and true pigment colors with a silicone-like finish. Stretch Mat is semi-opaque – for colored garments where you need the ink to show up against the fabric. They are the standard-mesh performance counterparts, just as 301C/301M are the cotton pair and EasyPrint Clear/EasyPrint Mat are the high-mesh performance pair.

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