Polyester Interlock
| Weight | 80–260 g/m² (2.4–7.7 oz/yd²) In family: 80–360 g/m² · 3 fabrics |
|---|---|
| Composition | 100% polyester (e.g. 75D/72f textured filament yarn); rPET common, elastane-free. |
| Knit type | Interlock (double-knit) · Interlock |
| Use class | Everyday |
| Stretch | Mechanical stretch |
| Knit | A stable double-face knit where cylinder and dial needles interlock two ribs on a double-bed machine. |
| Hand | Smooth, dry, even; fuller and less draping than single jersey, bodied; semi-matte. |
| Typical use | Promo/team tees (sublimation) · performance tops · polos |
| Strength | A non-curling, double-faced, opaque and stable base — easy to print and sew. |
| Watch for | Without elastane, stretch/recovery is limited; the drape is stiffer than single jersey. |
Width, gauge, finishing options and test standards are shared on request.
Typical technical ranges
| Weight tolerance | ±5% (typical); may run ±5–7% on heavier/technical qualities |
|---|---|
| Width | Open width ~150–185 cm; tubular ~80–100 cm (varies with cylinder diameter and weight) |
| Shrinkage (wash) | Width/length ~−3% to −6% (typical, target ≤ ~5%); first-wash length may run slightly higher |
| Color fastness | Wash 4–5; rubbing (dry) 4–5, (wet) 3–4 (lower wet on deep/bright shades); light 4–6 (deeper shades higher) |
| Abrasion / pilling | Martindale ~20,000–40,000+ rubs (plain interlock, dense double-face structure); pilling ~3–5 (typically 4–5 on flat filament; textured/staple content or softener can drop a grade) |
| Gauge / yarn | Machine gauge ~E18–E28 (E20–E24 typical for mid–heavy 170–250 g/m²; fine sport interlock up to E28); yarn ~75–150 den DTY (50–75 D on fine qualities, 167–300 D on heavy) |
These ranges are industry-TYPICAL / indicative values based on construction and fiber, not Fersan’s binding QC measurements. Exact values are confirmed per order, approved sample and lot-based QC report.
Trade & dispatch
| HS heading | 6006.32 — Other knitted fabric, of synthetic fibres, dyedUnbleached or bleached shipments: 6006.31 |
|---|---|
| Origin | Türkiye — Çorlu, Tekirdağ |
| Packaging | Rolls wound on a cardboard core in a PE bag; roll size planned around container fill |
| Shipping documents | Commercial invoice · packing list · A.TR movement certificate · transport document |
| Delivery terms | EXW · FOB · DAP — shipping plan confirmed with your quotation |
The HS heading is indicative; final classification is made by the customs broker based on the sample’s composition, width and finish.
Related reading: Polyester Knit Basics: The Backbone of Performance · Single Jersey vs Interlock: Choosing a Polyester Knit · GSM Weight Guide: Choosing the Right Fabric Weight · Knit Quality Testing: What to Measure in Polyester
Related calculators: Knit weight calculator: loop length to estimated GSM · Yarn consumption per fabric calculator · Sample weight calculator: from a weighed swatch to g/m² (ISO 3801)
Programmes we use this fabric in: Recycled Polyester Fabric Manufacturer (rPET) — Türkiye · Polyester Interlock (Double Knit) Fabric Manufacturer — Türkiye · Dope-Dyed Polyester Fabric Manufacturer — Türkiye · School Uniform Fabric Manufacturer — Türkiye · Medical Uniform Fabrics · Uniform, Workwear and Corporate Wear Fabrics
Other fabrics in the same family: Polyester Stretch Interlock with Elastane 120–300 · Ponte di Roma (Punto di Roma) Double Knit 270–360
Frequently asked questions
What weight range is Polyester Interlock produced in?
80–260 g/m² (2.4–7.7 oz/yd²). In family: 80–360 g/m². Weight, composition and color options are defined per request; contact us for samples. The weight ranges are Fersan’s production window; exact figures are confirmed by order and approved sample.
What is Polyester Interlock made of and how is it knitted?
100% polyester (e.g. 75D/72f textured filament yarn); rPET common, elastane-free. A stable double-face knit where cylinder and dial needles interlock two ribs on a double-bed machine.
What is Polyester Interlock used for?
Promo/team tees (sublimation) · performance tops · polos. A non-curling, double-faced, opaque and stable base — easy to print and sew. Without elastane, stretch/recovery is limited; the drape is stiffer than single jersey.
What are the minimum order, lead time and delivery terms?
Minimum order (MOQ): 500–1,000 kg per colour — varies by fabric · Lead time: Typically 3–4 weeks from order confirmation to dispatch · Sampling: Sampling begins after a short technical consultation · Response time: Quotation requests answered within 2 business days · Delivery terms: EXW · FOB · DAP — shipping plan confirmed with your quotation.