Cracking usually comes from a mismatch between ink, fabric stretch, and curing. A durable print starts long before the artwork is sent to production.
Print cracking often happens because the ink film is too thick, the curing was incomplete, or the garment stretches more than the print was designed to tolerate. The failure may show up slowly, not on day one.
Different inks behave differently. Plastisol, water-based, discharge, and specialty finishes each have a best-use case and a different failure mode when overworked.
The design matters too. Very large solid blocks of ink are more likely to crack on stretch-heavy garments than lighter, broken-up graphics with open space.
Test the print on the exact fabric you plan to bulk produce. A print that survives a cotton tee may fail on a softer, more elastic blend even when the art is identical.
Pre-Production Setup: How Printers Prepare for Your Job
Great garment printing starts long before ink meets fabric. The pre-production stage — artwork preparation, screen burning, strike-off approval, and press setup — determines whether your design reproduces accurately or arrives with registration errors, ink bleed, and color drift. For screen printing, vector artwork with clearly separated spot colors at the correct print size is the non-negotiable minimum. For DTG, high-resolution PNG files with transparent backgrounds give the inkjet head the cleanest possible data to work from.
Strike-off approval is the print equivalent of a fabric lab dip. The printer runs your design on the actual garment under production conditions, and you approve or reject the result before the full order runs. This is your last opportunity to catch color inaccuracies, scale problems, or placement errors. Many brands skip the strike-off to save two to three days — and pay for it when the full run arrives with the design element printed 2 cm below spec on every piece.
Wash Testing: The Durability Step No One Talks About
A print that looks outstanding off the press but fades, cracks, or peels after six washes is a customer service disaster. Wash testing — running strike-offs through five, ten, and twenty wash cycles and photographically documenting the result — is how serious brands validate their decoration method before committing to bulk. Water-based inks on cotton survive washing better than plastisol when cured correctly, but cure temperature and dwell time are critical: under-cured water-based ink washes out after two launderings.
The variables that most affect print durability are: ink type (water-based vs. plastisol vs. discharge), cure temperature and time for screen prints, pretreat solution coverage uniformity for DTG, and the base fabric's surface texture (smoother fabrics give better ink adhesion and sharper edge definition). Brands running premium price points should specify wash fastness requirements on their tech pack — a standard such as "rating 3.5 on the AATCC grey scale after 20 washes" gives the printer a measurable target and the buyer a documented basis for quality rejection.
Expert Tip The most under-used print technique for premium brands is discharge printing. A discharge agent chemically removes the base dye from the fabric and replaces it with your ink color, creating a supremely soft, breathable print that feels like it belongs to the fabric. It only works on reactive-dyed 100% cotton — but if that's your base fabric, discharge is worth the premium and separates you visually from plastisol competitors.
Frequently Asked Questions
How do I specify color correctly for garment printing?
For screen printing, reference Pantone Solid Uncoated (U) codes — they are closer to how inks appear on porous cotton surfaces than Coated (C) references. For DTG, convert your artwork to sRGB color space and accept that rich Pantone solids will reproduce differently in CMYK inkjet. A strike-off under production conditions is the only true color confirmation.
Why does my white screen print turn yellow after washing?
White plastisol yellows when the cure temperature is too high or the garment passes through the dryer too slowly. White water-based ink turns transparent when under-cured. Ask your printer for a documented cure protocol specific to white ink on your fabric type, and always run a wash test on a white-print strike-off before approving the full run.
What is the minimum order for screen printing to be cost-effective?
Screen setup costs make orders under 50 units per design uneconomical. At 50 units, setup amortizes to approximately $2–$5 per unit; at 200 units it drops below $1. For quantities under 50, DTG or quality heat-transfer printing are more cost-effective despite their higher per-unit base price.
Key Takeaways
- Always request a printed strike-off approval before the full run — it is your last checkpoint before ink meets your full inventory.
- Specify wash fastness requirements (AATCC grey scale) on your tech pack for a measurable, enforceable print quality standard.
- Cure temperature and dwell time are the most critical quality variables in screen printing — always document them.
- Discharge printing on reactive-dyed cotton creates the softest, most premium-feel print available for elevated brands.
- Test white ink prints specifically — both over-cure and under-cure create failure modes unique to white, and both are invisible until the first wash.
NH
Written by
Nasrin Haq
Member of the Essential Apparel production team, sharing first-hand insight from our Dhaka factory floor.
