Inktek LB001 Premium White Plastisol Ink: Extreme Low Cure Ability, Exceptional Performance for Polyester

Inktek

Inktek LB 001 Premium White Plastisol Ink
⚠ Important Before You Order

Drop Ship Only — This product ships directly from the manufacturer. You can order it alongside other items, but it will arrive in a separate shipment.

Not Available During Extreme Heat — Due to this ink’s ultra-low 260°F cure temp, it can begin to gel in transit during hot summer months. We suspend shipments when ambient conditions create a risk of in-transit degradation. If you need a heat-stable poly white year-round, see the Inktek LB000 Poly White →

Inktek LB001 Premium White is an ultra-low-cure plastisol ink engineered specifically for exceptional performance on polyester, poly blends, nylon, and other synthetic fabrics. It cures as low as 260°F — the lowest cure temp in the Inktek white lineup — making it the right choice for the most heat-sensitive garments and the tightest dye-migration situations. High opacity, minimal bleed, matte finish, and smooth consistent body straight from the container.

🌡️ Extreme Low Cure — 260°F
Lowest cure in the Inktek white lineup
🧵 Polyester Specialist
Engineered for synthetic fabrics and blends
🛡️ Minimal Bleed
Dye migration resistance on difficult synthetics
⬜ High Opacity
Vibrant, opaque white on light and dark garments
🎨 Matte Finish
Clean matte look with soft hand after cure
🚚 Drop Ship Only
Ships direct from manufacturer · See shipping note above
📞 Questions about availability or shipping? Call (512) 454-0505 or email [email protected]

Price range: $119.99 through $299.99

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Description

⚠ Drop Ship & Shipping Restrictions — Read Before Ordering

Drop Ship Only: LB001 Premium White ships directly from the manufacturer — not from River City Supply’s warehouse. You can order it alongside other products, but it will arrive in a separate shipment with its own tracking. Delivery timing may differ from the rest of your order.

Extreme Heat Shipping Restriction: This ink’s 260°F cure temperature means the gel point is very close to temperatures that can occur inside a delivery vehicle or warehouse during summer months. When ambient temperatures are extreme, ink can begin to partially gel in transit — arriving with altered viscosity or, in severe cases, unusable. We suspend or restrict shipments of this product during periods of extreme heat to protect your order.

Need a heat-stable alternative? Inktek LB000 Poly White → offers similar polyester performance with a more stable 260–280°F cure range and ships year-round without heat restrictions. Call us at (512) 454-0505 if you have questions about which white is right for your shop and your timing.

The Lowest Cure. The Hardest Fabrics.

Polyester is the hardest substrate to print white on. The dyes activate at heat, migrate up through your ink, and tint your white pink, red, or whatever the garment color is. The answer is to get the dryer temperature below the dye activation point — and that means curing as low as possible. LB001 Premium White cures at just 260°F, making it the right tool for 100% polyester athletic wear, sublimated garments, and the most dye-sensitive synthetics in your production. High opacity, minimal bleed, consistent body, and a matte finish that stays clean. When a standard low-cure white isn’t low enough, this is the ink.

260°F
Minimum Cure Temp
1.5–2 min
Cure Dwell Time
40–125
Mesh Count Range
Made in USA
Wisconsin

Why LB001 Premium White?

260°F When 280°F Isn’t Enough

Most polyester dyes activate between 280°F and 320°F. A standard 280°F white is already cutting it close — on highly reactive garments, you can still see dye bleed even at 280°F. LB001’s 260°F cure temperature gives you another full 20-degree buffer below most standard low-cure whites, keeping the dryer well below where the worst dye chemistry activates.

Engineered for Synthetic Fabrics

LB001 is specifically formulated for polyester, poly/cotton blends, nylon, and other synthetic materials — not a repurposed cotton white running at a lower temp. The formulation is built around the opacity, adhesion, and bleed-resistance requirements of the most challenging substrates in production screen printing.

High Opacity on Dark Synthetics

Getting a truly opaque, bright white on a dark polyester garment is one of the hardest print challenges in screen printing — you’re fighting both the dark substrate and dye migration. LB001 delivers high opacity while keeping the cure temp low enough to prevent the bleed that would otherwise tint the white.

Matte Finish & Smooth Body

Cures to a clean matte finish with consistent body and optimal viscosity straight from the container. Smooth printing on both manual and automatic presses. Medium flood, medium-fast stroke. Ready to use without modification — if thinning is ever needed, use 1–2% Special Reducer only.

Available Sizes

  • QQuart (32 oz) — Good for shops adding an extreme low-cure option or testing on problem garments before committing to larger volume
  • GGallon (128 oz) — Standard production size for shops regularly printing on performance polyester and synthetic athletic wear
  • 55-Gallon Pail — High-volume contract shops with heavy polyester athletic, uniform, or activewear programs

See It in Action

Press Settings & Application

Mesh

40–125 monofilament. For maximum opacity on dark garments, use 40–62T. For fine detail and halftone work, push to 100–125T. Use any direct emulsion or capillary film compatible with plastisol inks.

Squeegee

70–75 durometer, square-edge, sharp blade. Medium flood, medium-fast stroke. For underbase work, slightly heavier pressure maximizes ink deposit and opacity over the dark substrate.

Cure

Cure at 260°F–320°F for 1.5–2 minutes. Verify with a donut probe — surface guns read 60–80°F above actual internal ink temp. Do not attempt to cure this ink above 320°F; the low-cure chemistry is designed for the low end of that range.

Thinning & Clean-Up

Ready to use straight from the container. If thinning is needed, use 1–2% Special Reducer only. Never add mineral spirits or non-curable solvents. Clean up with ink degradant, press wash, or odorless mineral spirits.

LB001 Premium White vs. Inktek LB000 Poly White — Which Do You Need?

Feature LB001 Premium White LB000 Poly White
Minimum Cure Temp 260°F 260°F
Cure Range 260–320°F 260–320°F
Primary Substrate Polyester, synthetics, nylon Cotton, poly blends, some 100% poly
Shipping Restriction (Heat) Yes — hot months restricted No — ships year-round
Drop Ship Yes — manufacturer only No — ships from RCS
Mesh Range 40–125 86–230
Bleed Resistance Minimal bleed — synthetic-focused Excellent — low-bleed formula
Made in USA Yes (Wisconsin) Yes
Need something that ships year-round?

The Inktek LB000 Poly White offers similar low-cure polyester performance, ships directly from River City Supply with no heat restrictions, and arrives in the same shipment as the rest of your order. If you’re ordering during summer months or need guaranteed availability, Poly White is the more reliable choice.

Shop Inktek Poly White →

⚠ Always Verify Cure with a Donut Probe

Infrared surface guns read 60–80°F above actual internal ink temp. A surface reading of 260°F likely means 180–200°F internally — well below full cure. Always use a donut probe or thermocouple, then stretch test and wash test (3–5 hot cycles) before shipping customer orders.

⚠ Pre-Test Every Garment Before Production

Polyester dye chemistry varies significantly by garment manufacturer and colorway. Always run a test shirt, cure it, wash test it, and visually inspect for dye bleed before running any production quantity. River City Supply and its affiliates cannot be held responsible for issues stemming from inadequate curing or pre-production testing.

Questions Before Ordering?

Given the drop ship and seasonal availability, reach out before placing your order — we can confirm current availability and help you decide if LB001 or Poly White is the right fit.

📞 (512) 454-0505  |  📧 [email protected]
Made in Wisconsin, USA

Inktek LB001 is manufactured in Wisconsin with consistent quality control. Every batch is tested to the same standard — the consistency and clarity you need for demanding polyester production runs.

Technical Specifications

Inktek LB001 Premium White — Technical Specifications
⚠ Drop Ship Only — Ships direct from manufacturer. Cannot be combined with other items. Subject to seasonal heat shipping restrictions. Call (512) 454-0505 to confirm availability.
Product Name Inktek LB001 Premium White
SKU LB001
Ink Type Plastisol (PVC-based), Extreme Low Cure, Phthalate-Compliant
Color White (high opacity)
Finish Matte
Primary Application Spot white and underbase on polyester, poly blends, nylon, and synthetic fabrics
Minimum Cure Temperature 260°F (127°C) internal ink temp
Cure Range 260°F–320°F (127°C–160°C) for 1.5–2 minutes
Recommended Mesh Count 40–125 monofilament (40–62T for maximum opacity)
Recommended Squeegee 70–75 durometer, square-edge, sharp blade
Press Technique Medium flood, medium-fast stroke; suitable for manual and automatic presses
Thinning Ready to use as-is; if needed, use 1–2% Special Reducer only — no solvents
Best Substrates 100% polyester, polyester/cotton blends, nylon, synthetic fabrics
Bleed Resistance Minimal bleed — engineered to minimize dye migration on synthetic fabrics
Phthalate-Compliant Yes
Clean-Up Ink degradant, press wash, or odorless mineral spirits
Available Sizes Quart (32 oz), Gallon (128 oz), 5-Gallon Pail
Storage 65–80°F (18–27°C); avoid direct sunlight; keep containers sealed
Shelf Life Use within one year of receipt
Origin Made in USA — Wisconsin
Fulfillment Drop Ship Only — ships direct from manufacturer in a separate shipment; delivery timing may differ from rest of order
Brand Inktek
Distributor River City Supply — screenprintsupplies.com

Technical Sheets / Safety Data Sheets / Documents

Inktek LB 001 Premium White Safety Data Sheet

FREQUENTLY ASKED QUESTIONS

⚠ Before You Order

LB001 Premium White is drop ship only and subject to seasonal heat shipping restrictions. Call us at (512) 454-0505 before ordering to confirm current availability — especially during warmer months. If you need a year-round alternative, see the Inktek LB000 Poly White →

Why does LB001 cure at 260°F when most low-cure inks are 280°F?

LB001 uses an extreme low-cure plasticizer system specifically formulated for polyester and synthetic fabrics. Most polyester dyes activate between 280°F and 320°F — the point at which dyes turn gaseous and migrate up through the ink, tinting your white. Running at 260°F keeps the dryer 20+ degrees below where the worst dye chemistry activates, giving you significantly better bleed resistance on problem fabrics that bleed even at standard low-cure temperatures.

Why can’t this ink ship during hot months?

Because it cures at just 260°F, the gap between the ink’s cure temperature and the temperatures that can be reached inside a delivery vehicle or warehouse in summer is uncomfortably small. Cargo areas can reach 120–140°F or higher during hot weather. While that’s far below 260°F, prolonged exposure to elevated temperatures — especially combined with the weight of stacked containers — can cause partial gelling of the ink, altering its viscosity and print performance. We suspend shipments during periods of extreme heat to protect your order from arriving degraded.

What’s the difference between LB001 and the Inktek LB000 Poly White?

Both are low-cure poly whites targeting the same substrate family. The key practical differences: LB001 is drop ship only (arrives in a separate shipment) and restricted during hot months; LB000 Poly White ships directly from River City Supply year-round and arrives in the same shipment as the rest of your order. LB001’s mesh range starts at 40T (vs 86T for Poly White), making it better suited for heavy underbase deposits on very coarse mesh. If you’re running standard polyester underbase work and want reliable year-round availability, LB000 Poly White is the more practical choice for most shops.

Can I use LB001 on 100% polyester garments?

Yes — LB001 is specifically engineered for polyester, poly blends, nylon, and synthetic fabrics. Its 260°F cure temperature and minimal-bleed formulation are designed around the most challenging synthetic substrates. Always pre-test with the specific garment and colorway you’re running — dye chemistry varies significantly between manufacturers, and some polyester garments bleed at any temperature. If a garment bleeds at 260°F, no plastisol white will solve it without a dye blocker or a different approach.

What mesh count should I use?

40–125 monofilament. For maximum opacity on dark garments, use 40–62T — the coarser the mesh, the heavier the deposit. For halftone or fine-detail work within the underbase or as a highlight white, push to 100–125T. Use any direct emulsion or capillary film rated for plastisol inks.

How do I know if it’s fully cured at such a low temperature?

Use a donut probe or thermocouple to verify 260°F internal ink temp for 1.5–2 minutes. Surface infrared guns read 60–80°F above actual internal temp — they will show a false cure reading. After curing, do a stretch test (no cracking or delamination) and a wash test (3–5 hot wash cycles). This is non-negotiable for polyester jobs — garment dye bleed may not fully appear until after washing, so a wash test is the only reliable confirmation of both cure and bleed performance.

What is “drop ship only” and how does it affect my order?

Drop ship means LB001 ships directly from the Inktek manufacturer — not from River City Supply’s warehouse. You can absolutely order it alongside other items in the same cart, but it will arrive in a separate shipment with its own tracking number. Delivery timing may differ from the rest of your order. Shipping costs may also be calculated separately. Call us at (512) 454-0505 before ordering to confirm current availability and shipping logistics.
Questions about LB001 or whether it ships to your location right now?

Call or email before ordering — we can confirm availability and recommend the best white for your substrate and timeline.

📞 (512) 454-0505  |  📧 [email protected]

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