Inside a Hijab Printing Factory: The Technology Behind Custom Print Hijabs

Why equipment modification matters for hijab printing

Standard commercial sublimation printing equipment is designed for wide-format applications — banners, sportswear, homeware textiles. The production parameters optimised for these applications do not directly transfer to hijab production.

Hijabs have specific requirements that demand equipment adaptation:

Edge-to-edge print consistency: A hijab is a fashion accessory worn visibly around the face and head. Print quality at the edges is as visible as print quality at the centre — something that rarely matters in banner printing but is critical for hijab quality.

Fabric tension control: Jersey and modal fabrics are elastic — they stretch under tension. Standard sublimation equipment applies consistent mechanical tension to fabric as it passes through the heating system. On elastic hijab fabrics, this tension causes dimensional distortion — the printed pattern stretches with the fabric during printing, then contracts back to original dimensions after printing, causing pattern distortion and edge misalignment.

Delicate fabric handling: Lightweight modal and jersey fabrics are more susceptible to surface damage (snag marks, heat marks) than the heavier substrates sublimation equipment is typically designed for.

QIUYAN's equipment modifications

Over years of hijab-specific production, QIUYAN has developed and implemented several equipment modifications:

Tension control system: A variable-tension feeding mechanism that adjusts fabric feed rate based on the stretch characteristics of the specific fabric being processed. Modal and jersey have different stretch profiles; the system is adjusted for each fabric type. The result: pattern registration accuracy to within 2mm at all four edges of the finished hijab.

Temperature profile adjustment: The heating profile (temperature ramp-up, peak temperature, cool-down) has been calibrated specifically for hijab fabric weights. Standard profiles optimised for heavier substrates cause colour oversaturation and slight surface sheen damage on lighter hijab fabrics.

Edge guide system: Modified edge guides that maintain precise fabric positioning through the entire heat-transfer zone. Standard edge guides are designed for rigid or semi-rigid substrates — elastic hijab fabrics require a different guiding mechanism to prevent lateral drift.

Post-print handling: A modified cooling and collection system that prevents crease formation in the finished printed fabric during the cooling phase — a common problem with lightweight jersey that creates permanent creasing if fabric is piled immediately after printing.

Reactive print line for natural-fibre hijabs

The reactive print line (for cotton jersey, bamboo jersey, and modal) uses a different process:

1. Pre-treatment: Fabric is padded with a sodium alginate thickener and fixing agent to prepare the surface for reactive ink application
2. Printing: Reactive inks are applied via digital inkjet heads to the prepared fabric
3. Steaming: Fabric passes through a steam chamber (100–102°C, 8–12 minutes) to fix the reactive dye into the fibre structure
4. Washing: Multiple washing passes to remove unfixed dye and sodium alginate — this stage is critical for wash fastness
5. Drying and finishing: Final drying and dimensional inspection

The additional steaming and washing stages add 2–3 days to the reactive print timeline compared to sublimation.

QIUYAN's reactive print line modifications focus on: - Steaming temperature uniformity (eliminating cold spots that cause uneven fixation) - Washing water temperature and pH control (ensuring complete removal of unfixed dye without colour fade) - Post-wash dimensional recovery (preventing shrinkage from the washing process)