Guide
White Plastisol Ink: The Print Shop Guide to Picking, Printing, and Curing It Right
Total Ink Solutions
White plastisol ink is a PVC-based screen printing ink that sits on top of the fabric, cures at 320°F, and produces the opaque white base every dark-garment print depends on. It’s the most important color in your shop — not because it’s flashy, but because almost every multi-color print on a black, navy, or red shirt starts with a white underbase. Get the white right and the rest of the job follows. Get it wrong and the whole print looks dull, dye-migrated, or undercured.
This guide covers what white plastisol actually is, how to print and cure it, the differences between cotton white, poly white, and low-cure white, and which Total Ink Solutions whites we run on which fabrics. We’ll also handle the troubleshooting questions that come up at the press — dye bleed, fibrillation, ghost cure, the works.
What is white plastisol ink?
White plastisol ink is a thermoplastic screen printing ink made from PVC resin, titanium dioxide pigment, plasticizer, and stabilizers. It doesn’t dry by evaporation like water-based ink. It cures by heat — the PVC particles fuse together and bond to the fabric fibers when the entire ink film reaches 320°F (160°C). Until it hits cure temp, plastisol stays wet on the screen indefinitely.
White is the workhorse color in plastisol because titanium dioxide is what gives the ink its opacity. A good white has enough TiO₂ loading to cover a black shirt in one or two strokes through a 156-mesh screen. A cheap white needs three strokes, a heavier deposit, and still looks gray.
Three things matter when you’re evaluating any white plastisol:
- Opacity — how much black bleeds through after one flash.
- Bleed resistance — whether the white stays white when printed on red, royal, or maroon polyester.
- Cure window — the temperature range where the ink fully fuses without scorching the shirt.
How white plastisol ink works on press
White plastisol is the underbase for nearly every dark-garment print. The standard sequence:
- Print white through a 156 to 200 mesh screen.
- Flash cure the white to a tack — around 220°F to 240°F, just enough to gel the surface.
- Print your overlay colors on top of the cured white base.
- Final cure the whole print through a conveyor dryer at 320°F.
The white base does two jobs. First, it blocks the shirt color from showing through. Second, it gives the top colors a smooth, opaque surface to print on, so a yellow on a black shirt actually looks yellow instead of mud.
Mesh count recommendations for white:
| Job type | Mesh count | Squeegee durometer | Strokes |
|---|---|---|---|
| Athletic / heavy coverage | 110–125 | 70 | 1 print, 1 flood |
| Standard underbase | 156 | 70/90/70 triple | 1 print, 1 flood |
| Fine detail underbase | 200–230 | 75 | 1 print, 1 flood |
| Halftone underbase | 230–280 | 75 | 1 print, 1 flood |
Off-contact: 1/16” to 1/8” depending on press and tension. Tension matters more than people admit — a slack screen lays down a heavy, uneven white that fights you on every overlay.
Curing white plastisol ink
White plastisol cures when the entire ink film reaches 320°F. Not the surface — the entire deposit, top to bottom. A heavy white underbase can be 8 to 12 mils thick wet, which is a lot of ink to bring up to cure temp.
Cure methods, in order of reliability:
- Conveyor dryer. The right way. Set chamber temp around 360°F, dial belt speed so the ink reaches 320°F for at least 30 to 45 seconds. Verify with a temp gun or donut probe — don’t trust the dial.
- Flash dryer. Works for short runs and one-offs. Hold the print under the flash 8 to 15 seconds after the surface goes shiny. Move the flash or rotate the platen to avoid scorching.
- Heat press. For transfers and small runs. 320°F, medium pressure, 30 to 45 seconds with parchment or Teflon between platen and print. We cover this in detail below.
Undercure looks like: ink that cracks when stretched, washes off in fragments after 5 to 10 cycles, feels rubbery and never fully sets.
Overcure looks like: scorched shirt, yellowed white, brittle hand. Polyester especially will scorch before plastisol overcures.
Curing plastisol ink with a heat press
A heat press cures plastisol fine if you treat it like a flat dryer. Set 320°F, medium pressure, and 30 to 45 seconds. Use parchment paper or a Teflon sheet between the platen and the print so the surface doesn’t go glossy. The downside vs a conveyor: you can only cure one print at a time, and you can’t see whether the bottom of the ink film hit 320°F. Do a stretch test on the first print of every run — if the ink cracks or pulls off, add 10 seconds and reprint.
White plastisol for cotton vs polyester vs blends
Not every white is the same. The base fabric determines which white you should pull off the shelf.
| Fabric | Best white type | Cure temp | Why |
|---|---|---|---|
| 100% cotton | General purpose / all-purpose white | 320°F | No dye migration risk, opacity is the only concern |
| 50/50 cotton/poly | Bleed-resistant white | 320°F | Polyester dyes sublimate above 280°F and bleed into the ink |
| 100% polyester (athletic) | Low-bleed poly white or low-cure white | 270°F–290°F | Cure at lower temp to stop dye migration entirely |
| Performance / spandex blends | Stretch white with stretch additive | 320°F | Print needs to flex with the fabric without cracking |
Cotton whites
For 100% cotton tees, you want opacity and a clean release. Our General Purpose White Plastisol Ink – 100% Cotton is the standard pick — high titanium dioxide loading, prints clean off 156 mesh, cures at 320°F, and gives you a bright white base in a single hit on most blacks.
If you’re running a mixed shop where the same white needs to handle 100% cotton today and a 50/50 hoodie tomorrow, switch to All Purpose Plastisol Ink – White – For Cotton, Polyester & Blends. It’s formulated with mild bleed resistance built in so it covers the same range of fabrics most shops actually print on day to day.
Poly whites
100% polyester is where whites get tricky. The dye in the fabric sublimates — turns to gas — above 280°F and migrates straight up into your white ink. A perfectly bright white pulled off the dryer can turn pink, peach, or yellow 24 to 48 hours later. That’s dye migration, and it’s the single most common warranty problem on athletic prints.
The fix is one of two whites:
- A bleed-blocker white with a polymer additive that physically stops dye gas from getting into the ink film.
- A low-cure white that fully fuses below the dye sublimation point.
For 100% poly jerseys and performance shirts, run our Athletic – White Fast Flash Polyester Plastisol Ink – 100% Polyesters. It flashes fast, blocks bleed, and is formulated specifically for polyester dye chemistry.
For 50/50 blends and tri-blends, use our Bleed Resistant 5-Star Bright White CQ Plastisol Ink Cotton & 50/50 Blends. The “5-star” rating refers to the bleed-block grade — this is the white we recommend when a customer brings in a stack of red Gildan 50/50s and wants a clean white print that still looks white next week.
Low-cure white
Low-cure plastisol cures at 270°F instead of 320°F. That 50°F drop matters because it puts you safely under most polyester dye sublimation thresholds, and it’s gentler on heat-sensitive fabrics like rayon-cotton blends and some tri-blends.
Our Extreme 270° Low Cure Plastisol Ink White – For Cotton, Polyester & Blends is the go-to when you want one white that handles tri-blends, heat-sensitive fabrics, and stretch garments without rethinking cure temp. It also saves energy on the dryer — running the chamber 50°F cooler adds up across thousands of shirts a week.
Stretch white for performance fabrics
Leggings, compression shirts, spandex blends — these fabrics flex 30 to 50% with the body. A standard plastisol print will crack and split under that kind of stretch. For these jobs, run our Stretch Plastisol Ink For 100% Polyester & Performance Fabrics, or add Super Stretch Additive to your existing white at 5-10% by weight. The additive plasticizes the cured film so it stretches with the fabric instead of fracturing.
Best white plastisol ink — our recommendations
Here’s the short list of which Total Ink Solutions white we’d put on which job. House brand first, because we make these and we know what’s in them.
| Job | Our pick | Why |
|---|---|---|
| Black cotton tees, high volume | General Purpose White – 100% Cotton | Best opacity per stroke for pure cotton |
| Mixed shop, one white for everything | All Purpose Plastisol Ink – White | Covers cotton, poly, blends with one ink |
| Red/maroon 50/50 hoodies | Bleed Resistant 5-Star Bright White CQ | Stops dye migration on the worst-bleeding garments |
| 100% poly athletic jerseys | Athletic White Fast Flash Polyester | Fast flash, formulated for poly dye chemistry |
| Tri-blends, heat-sensitive fabrics | Extreme 270° Low Cure White | Cures below dye sublimation point |
| Leggings, compression wear | Stretch Plastisol Ink + Super Stretch Additive | Flexes with the fabric |
| All-purpose alternative formulation | White Plastisol Ink – All Purpose | Backup all-purpose option |
For overlay colors over your white base, we run General Purpose Plastisol Ink Colors For 100% Cotton for cotton and All Purpose Plastisol Ink For Cotton & Poly Blends when the job needs to cover blends too.
White plastisol vs water-based, discharge, and DTF
The right answer depends on the hand feel you’re selling and the fabric you’re printing on.
| Ink type | Hand feel | Opacity on black | Dark cotton | 100% poly | Cure temp |
|---|---|---|---|---|---|
| White plastisol | Sits on top, plasticky | Excellent | Yes | Yes | 320°F |
| Water-based white | Soft, dyes the fiber | Poor on dark | Limited | No | 320°F |
| Discharge white | Softest, replaces dye | Excellent on dischargeable cotton | Reactive-dyed cotton only | No | 320°F |
| DTF white | Soft, slight film | Excellent | Yes | Yes | 285°F (transfer) |
Plastisol wins when: you need opacity, you’re printing dark shirts, you want fast press throughput, you’re running 50/50 or poly.
Water-based wins when: the customer wants no hand feel, the shirts are light-colored cotton, you’ve got the cure power to drive water out.
Discharge wins when: you’re printing dark 100% cotton and the customer wants a “no-feel” print. Doesn’t work on polyester. Doesn’t work on most synthetic-dyed cotton.
DTF wins when: runs are short, art is photo-real, or fabric is a weird blend you don’t want to fight on press.
For most shops printing apparel for sports leagues, schools, corporate, and bands, white plastisol is the default and everything else is the exception.
Reducers, thinners, and additives
White plastisol gets thick. Pulled from a 5-gallon bucket on a cold morning, it can be too stiff to print clean. The fix is a small amount of plastisol reducer (also called ink thinner — same product, different name).
Plastisol reducer / thinner usage:
- Add 1-5% by weight to the ink.
- Never add more than 10% — you’ll thin the film, lose opacity, and risk cure issues.
- Stir thoroughly. A plastisol ink mixer attachment on a drill works for gallon containers; for buckets, use a paddle.
Plastisol reducer is solvent-free — it doesn’t evaporate. It just lowers the viscosity so the ink shears through the mesh cleanly. Use it on cold-press mornings, on high-mesh fine-detail jobs, and whenever you can feel the ink dragging on the squeegee.
Troubleshooting white plastisol problems
Dye migration (white print turns pink, peach, or yellow)
Polyester dye sublimated through your white. Three fixes, in order:
- Switch to a bleed-blocker white like 5-Star Bright White CQ.
- Switch to a low-cure white like Extreme 270° and cure under 280°F.
- Print a thicker underbase so there’s more ink film blocking the dye gas. Last resort — it adds hand.
Ink cracks after washing
Undercured. Verify cure temp with a probe, not the dryer dial. Slow the belt down 10-15% and re-run a wash test. If the print still cracks on stretch fabric, you also need Super Stretch Additive in the formula.
White looks gray on black shirts
Opacity issue. Three causes:
- Mesh count too high (running white through 230 mesh and wondering why it’s thin — drop to 156).
- Squeegee angle too steep or pressure too light.
- Wrong ink for the job — using a soft-hand white on a heavy-coverage job.
Switch to General Purpose White – 100% Cotton on a 110 or 125 mesh for max coverage prints.
Fibrillation (fabric fuzz shows through white)
You can see cotton fibers poking through the cured white. Fix it with a print-flash-print sequence: print white, flash to a gel, print white again. Two thin layers beat one thick one. Knock the second print down with a high-mesh smoothing pass at 230 mesh for a glass-smooth finish.
Ink dries in the screen
It shouldn’t — plastisol stays wet indefinitely on a screen. If yours is gelling, your flash is too close to the print head and partially curing the screen, or your shop is running hot enough (over 90°F) that the ink is approaching its gel point. Move the flash, or work in shorter sessions.
Cleanup is a nightmare
Plastisol is sticky and doesn’t dissolve in water. Use a screen wash or ink remover designed for PVC inks. We carry Franmar Greeneway Multipurpose Ink Remover for plastisol cleanup — soy-based, no harsh fumes, works on white as well as the heavy pigment loads in red and black.
Specialty white plastisol applications
Plastisol screen print transfers
Plastisol transfers are prints made onto release paper that you store and heat-press onto shirts later. White plastisol transfers use the same inks you’d print direct, but you partially cure them (gel only — around 220°F to 240°F) so they don’t fully fuse to the paper. Then you press them to the shirt at 320°F for 8-12 seconds, finishing the cure on the garment.
White is the underbase of choice for transfer work because it gives multi-color transfers a clean white backing that lets bright colors pop on dark shirts.
Athletic numbers and lettering
College, rec league, and team jerseys all run through white plastisol. Number kits get printed in batches, gel-cured, and pressed onto poly jerseys to order. The Athletic White Fast Flash Polyester is built specifically for this — it flashes fast so you can stack prints quickly without dye bleed showing up the next morning.
Specialty whites — glitter, reflective, metallic
These aren’t strictly white but they share the same underbase logic — most of them need a white plastisol base underneath to make the effect read on a dark shirt. Glitter and reflective inks have low pigment opacity by design, so the white below them is doing the visual work.
How long does white plastisol ink last?
In the bucket: 2 to 5 years if stored sealed, between 65°F and 90°F, out of direct sun. Plastisol doesn’t dry, so it doesn’t go bad the way water-based inks do. The pigment can settle over long storage — stir before use.
On the shirt: a properly cured plastisol print survives 50+ wash cycles minimum. Our Bleed Resistant 5-Star Bright White CQ and Extreme 270° Low Cure White have held up past 80 cycles in customer wash testing on 50/50 blends.
Frequently asked questions
What is white plastisol ink made of?
PVC (polyvinyl chloride) resin particles suspended in a plasticizer, with titanium dioxide for pigment and additives for flow, opacity, and bleed resistance. It contains no water and no solvent — it cures by heat, not by drying.
What temperature does white plastisol ink cure at?
Standard white plastisol cures at 320°F (160°C). The entire ink film, not just the surface, has to reach that temp for full fusion. Low-cure formulations like our Extreme 270° cure at 270°F.
Can you cure white plastisol with a heat press?
Yes. Set the heat press to 320°F, medium pressure, and press for 30 to 45 seconds with parchment paper or a Teflon sheet between the platen and the print. Do a stretch test on the first print — if the ink cracks when you pull the shirt, add 10 seconds.
What mesh count is best for white plastisol underbase?
156 mesh is the standard underbase mesh for most jobs. Drop to 110 or 125 for heavy athletic prints. Go up to 200 or 230 for fine detail and halftone underbases. Higher mesh = thinner deposit = less opacity, so balance detail against coverage.
What’s the difference between cotton white and poly white plastisol?
Cotton white maximizes opacity and is formulated assuming no dye migration. Poly white includes bleed-blocking polymers and is often paired with a lower cure temp to prevent polyester dye from sublimating into the ink film and discoloring the print.
Why does my white plastisol print turn pink on red shirts?
Dye migration. The red dye in the polyester fibers turned to gas above 280°F and migrated into your white ink, tinting it pink. Fix it by switching to a bleed-blocker white like our 5-Star Bright White CQ, or by switching to a low-cure white that cures below the dye sublimation point.
Is Speedball ink plastisol?
Speedball makes both water-based fabric inks and plastisol fabric inks. Their standard “Fabric Screen Printing Ink” line is water-based. Their “Plastisol Ink” line is plastisol. Read the label — water-based cleans up with soap and water; plastisol does not.
What’s the difference between plastisol ink and water-based ink?
Plastisol sits on top of the fabric and cures by heat at 320°F. Water-based ink dyes the fibers and cures by both heat and evaporation. Plastisol has a heavier hand and better opacity on dark shirts. Water-based has a softer hand but struggles to cover dark fabrics without an underbase.
Can you mix white plastisol with reducer to thin it?
Yes. Add 1-5% plastisol reducer by weight, stir thoroughly. Don’t exceed 10% — too much reducer thins the film and hurts opacity and cure. Reducer is solvent-free, so it doesn’t evaporate, it just lowers viscosity.
How do I clean white plastisol off a screen?
Use a screen wash or ink remover designed for PVC inks. We use Franmar Greeneway Multipurpose Ink Remover — soy-based, low-fume, breaks down plastisol fast without damaging the emulsion. Card off the bulk ink first, then flood with remover and let it sit 60 seconds before pressure washing.
Does white plastisol ink need an underbase?
No — white plastisol IS the underbase. It’s what other colors print on top of. The only time you’d put something under white is when you’re printing on raised-pile fabric like fleece, where a clear gel or smoother base helps the white lay flat over the fibers.
How many shirts can I print from a gallon of white plastisol?
Roughly 800 to 1,500 shirts per gallon depending on print size, mesh count, and coverage. A 10” x 12” full underbase on 156 mesh runs around 1,000 prints per gallon. Lower mesh and heavier deposits drop that number; higher mesh and lighter prints raise it.
That’s white plastisol — the most-used ink in your shop and the one that decides whether the rest of the print succeeds or fails. If you’re not sure which of our whites fits a specific job, call us. We mix and ship these inks ourselves from New Jersey, our name is on the bucket, and we’d rather spend 10 minutes on the phone helping you pick the right white than send you a gallon that doesn’t fit the work.
Family-owned, real people on the phone, and we actually run the stuff we sell.