What is Ranforce (Renforcé)?

Ranforce is a fabric name widely used in Turkey for duvet cover sets and sheets: a matte plain-weave fabric, mostly cotton, that Turkish sellers list at a lower thread count than percale and sateen. It is an established trade name, not a fiber name. No definition was found in the dictionary and standard sources reviewed, and a search of the Turkish Language Association’s dictionary (TDK) for “ranforce” returned nothing (accessed October 11, 2026). The information below therefore rests on seller and trade sources; thread count and fiber content can differ from product to product.

Ranforce structure

A home textile brand describes ranforce as a plain-weave fabric made from 100% cotton yarn (Karaca, June 25, 2026). Plain weave binds warp and weft in a simple one-up, one-down order (CottonWorks). A trade information site gives ranforce a 30/1 yarn (read as Ne 30/1 for cotton) and a density of 57 tel (TekstilBilgi, 2020). Karaca also cites 57 tel as the density of ranforce and writes that ranforce yarn is thicker than sateen yarn. The German name Renforcé is likewise used for plain-weave cotton bed linen fabric (Utopia, 2019).

The name does not settle the fiber content either: a retail guide writes that plain weaves of 100% cotton are generally called ranforce, and that some brands apply the name to blends as well (Baxana).

How to read “tel” and “TC”

What thread count adds up, and how plied yarn enters the tally, is explained in the percale entry. For ranforce the unit is the real question: ASTM D3775 says warp and weft counts are reported per 1 cm in the metric system and per 1 inch in the inch-pound system. Product cards sometimes show both measures together; a Fabricbox card for a sateen set lists 118 tel and 300 TC. Multiplying 118 by 2.54 gives a figure close to 300, so tel stands for a per-centimeter count and TC for a per-inch one, each adding warp and weft. By the same factor, 57 tel is about 145 TC.

A hotel textile firm in Denizli lists its ranforce sets at 145 and 160 TC, and the same page says ranforce is mostly woven between 140 and 180 TC (Oteltekstilci). Some pages write the unit as “per cm²” or “per in²”; the quotation should spell the unit out.

Ranforce, percale, sateen and poplin

Ranforce and percale belong to the same weave family; the percale entry covers how they compare. In the table above percale appears at higher thread counts, but no standard line between the two was found. Poplin is also a plain weave; Collins describes it by its finely ribbed surface, and in the sources poplin is mentioned more for garments and ranforce for bed linen. No source describes a ribbed surface for ranforce. Sateen differs by weave; the sateen entry explains what its long floats do.

Uses

Ranforce is used in duvet cover sets, sheets, bedspreads and pajama sets (Altınbaşak). Karaca finds it suitable for children’s rooms, guest rooms and everyday use. Producers are listed under bed linen and bedspread makers and, for pajama sets, pajama and loungewear manufacturers; the fabrics themselves are set side by side in the guide to bed linen fabrics.

Care and shrinkage

Cotton fabric can shrink in the first wash. Karaca says slight shrinkage is possible, that quality brands balance it by sanforizing, and recommends washing at 30–40 °C. The shrinkage percentage depends on fabric and finishing; the dependable figure comes from washing and drying a sample to ISO 6330 and measuring the change to ISO 5077. The shrinkage calculator turns that figure into a cutting allowance.

What to specify when sourcing ranforce

1. Do not write only “ranforce”: the quotation should carry the fiber content (%), the yarn count (for example Ne 30/1; see the yarn count converter), thread density per centimeter or per inch with the unit stated, and the weave.
2. Do not rely on thread count alone: Altınbaşak says that looking only at thread count is not enough and that the quality of the yarn has to be weighed in as well. Weight, too, is not a sufficient quality measure by itself.
3. Ask whether the weight is greige or finished: the quotation should show g/m² together with the stage at which the fabric was weighed. The measurement standard is EN 12127; the fabric GSM calculator turns sample dimensions into g/m².

Frequently asked questions

Is ranforce breathable?

Sweating cannot be switched off by any fabric; it is the body’s own cooling system. Ranforce is mostly cotton, and cotton takes up moisture readily: the agreed regain in the EU fibre-labeling regulation (1007/2011, Annex IX) is 8.5% for cotton against 1.5% for polyester. Karaca calls ranforce breathable and “tok” (full-bodied) in the cold season; these are the seller’s own statements and come without measured values. A claim like that is checked with two measurements: how much air the fabric lets through (EN ISO 9237) and how strongly it resists water vapor (EN ISO 11092). A knitted-fabric study (Suganthi et al., 2024) found that lighter, thinner and more open structures let more water vapor through; it concerns knits, not woven cloth. The method to follow is set out in breathable fabrics.

Is ranforce 100% cotton?

It is mostly described that way, but the name does not guarantee fiber content; some brands also call blends ranforce (Baxana). Check the fiber percentage on the label and have it written in the quotation.

Is ranforce the same as percale?

Not exactly. Both are plain-weave fabrics. Percale is quoted at 160–300 TC in sheets (CottonWorks) and ranforce at 145 and 160 TC (Oteltekstilci), but nothing in the sources fixes a dividing line, so order against measurable values; the percale entry has the details.