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Every roll of fabric starts as greige (often called grey) cloth — the raw material straight off the loom. It is stiff, uneven, carries residual sizing from weaving, and has none of the softness, sheen or stability a garment needs. Finishing is the set of mechanical and chemical treatments that turn that loom-state cloth into usable fabric. It is also why two cloths with the same fibre, weave and GSM can feel, drape and perform completely differently — the finishing route, not the base construction, is often the silent variable.
Almost every finish falls into one of two families. Knowing the split clears up most of the confusion on a fabric label.
| Family | How it works | Adds chemistry? | Typical goal |
|---|---|---|---|
| Mechanical | Physical manipulation — heat, pressure, abrasion, compressive shrinkage | No | Change texture, sheen, dimensional stability |
| Chemical | Compounds bonded to the fibre, usually cured with heat | Yes | Add function: repellency, easy-care, hygiene |
Most fabrics you actually buy use both, in a sequence. And because a finish can be permanent, semi-permanent, or wash out over time, the word "finished" on its own tells you nothing — you have to ask which finish and how durable.
| Treatment | What it does | Permanence | Common on |
|---|---|---|---|
| Singeing (烧毛) | Burns off surface fuzz over a flame or hot plate before dyeing — cleaner surface, less pilling, better dye uptake | Permanent | Cotton, linen, cotton-poly blends |
| Desizing / scouring | Removes weaving size and natural waxes/oils so the cloth can be dyed and finished evenly | Permanent | Almost all woven cloth |
| Mercerising | Cotton treated with caustic soda under tension: rounder fibre, higher lustre, stronger, better dye uptake and colour depth | Permanent (does not wash out) | Cotton, linen |
| Calendering | Fabric passed between heated, pressurised rollers for a smooth, glossy face | Semi-permanent — fades after several washes except on heat-set synthetics | Cotton, polyester, linings, sheeting |
| Sanforising / compacting | Mechanical pre-shrink that locks in residual shrinkage to a low, controlled level | Permanent | Cotton, linen, viscose |
| Brushing / napping / sueding | Fine wire or abrasive rollers raise short fibres for a soft, fuzzy, warmer hand | Trade-off: softer but lower abrasion resistance | Flannel, fleece, peach-skin, brushed cotton |
| Heat-setting | Thermal stabilisation of synthetic fibres so dimensions hold through washing | Permanent | Polyester, nylon and their blends |
| Softening | Silicone or cationic softeners reduce fibre friction for a suppler, smoother hand | Varies — some wash out, some survive many cycles | Most apparel and home textiles |
| Anti-crease / easy-care resin | Cross-linking agents bond cellulose so cotton creases less and recovers shape | Durable, but adds chemistry (see compliance) | Cotton shirting, casual wear |
| Durable water repellent (DWR) | Hydrophobic layer makes water bead and roll off rather than soak in | Fades with washing; reapplication needed | Outerwear, uniforms, technical cloth |
| Anti-microbial | Inhibits odour-causing bacteria on the surface | Fades with washing | Activewear, towels, humid-climate use |
| Flame retardant (FR) | Chemical system that slows ignition; required for some contract and protective end uses | Durable; must be specified to a named standard | Hospitality, workwear, children's sleepwear |
| Bio-polishing | Cellulase enzymes digest surface microfibrils for a cleaner face and less pilling | Permanent | Cotton, lyocell, linen |
Finishing is a sequence with dependencies, and the same two steps in a different order produce a different cloth. A standard woven sequence runs: desize/scour, bleach or dye, soften, then stentering/compacting, then any surface finish, then inspection. Two rules explain most consistency problems:
Shuffling stages to save time is one of the most common reasons a bulk shipment does not match the approved sample. When the route matters to you, ask the mill to lock it in writing.
Nantong Huayuan is an integrated woven mill — yarn dyeing, weaving, piece dyeing, printing and finishing all sit on one site, so the finishing route is controlled end to end rather than subcontracted. Our standard woven range (poplin, twill, oxford, chambray, yarn-dyed shirting) is finished in-house; which routes are available for a given article and their achievable results are confirmed in writing at enquiry. Because we weave rather than knit, surface finishes that rely on loop recovery are not part of our offer — we will say plainly when a finish belongs with a knit specialist instead. See the full woven range, the stiffness-vs-weight guide (where finishing is the lever that overrides weight), and our compliance page.
Not necessarily. The same GSM can feel crisp or supple depending on softening and calendering — those finishes change the hand without changing the weight. Weight predicts warmth and opacity; finishing predicts how it feels. We cover the relationship in the stiffness-vs-weight guide.
For cotton and linen, yes. Mercerising changes the fibre structure itself, so the added lustre and strength do not wash out. By contrast, calendering is semi-permanent and typically fades after several launderings unless the cloth is a heat-set synthetic.
Two points matter most: choose a fluorine-free (C0) durable water repellent rather than a fluorinated one, and confirm all chemical finishes fall within OEKO-TEX STANDARD 100 and REACH limits (for example, extractable formaldehyde capped at 75 ppm for skin-contact articles). Ask the mill to name the chemistry, not just the function.
Often the finishing sequence or its consistency. If heat-setting or compacting was applied in a different order, or tolerances were not locked, the bulk can drift from the sample. Put the finishing route and its tolerances in the order and confirm them at bulk.