Coats Industrial



High tenacity continuous filament polyester

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Coats Gral is a lubricated polyester thread made from pre-stablised high tenacity continuous filament polyester. The soft finish with superior low friction lubrication reduces the effects of needle heat and abrasion.

Main Uses

  • Filtration
  • Seat trims
  • Seat belts
  • Automotive interiors
  • Suitcases
  • Leather footwear
  • Outdoor goods and sports equipment
  • Lift slings
  • Leather goods
  • Multineedle quilting
  • Mattresses

Features & Benefits

  • Coats Gral is an excellent sewing thread for all types of leather and has very good abrasion resistance
  • Its higher breaking strength and optimum stretch characteristics produces attractive, fine seams on leather footwear and leather goods
  • The soft finish with superior low friction lubrication reduces the effects of needle heat and abrasion
  • Coats Gral exhibits excellent loop formation, consistent stitch formation and neat seam appearance
  • Certified to Öko-Tex Standard 100
  • Meets Coats restricted substance list
Coats Gral - Multifilament polyester industrial thread for ladies shoes

Physical and Chemical Properties of Gral

Thermal Properties
Melts at 250-260 degrees, softens at 220 - 240 °C
Shrinkage less than 1% @ 150 °C
Coats Gral - High tenacity continuous filament polyester for car interior
Chemical Properties
Mineral acids
  • Resistant to most mineral acids
  • Essentially unaffected by weak alkalis, but less resistant to stronger alkalis, especially at higher temperatures
Organic solvents
  • Generally unaffected, but soluble in some phenolic compounds
  • Unaffected
Insects / Micro-organisms (mildew, rot)
  • Unaffected
Laundering / dry cleaning
  • Unaffected
Moisture regain
  • 0.4%
Coats Gral Fastness Properties
Washing at 60°C ISO 105 C10 C Grade 4
Water Fastness ISO 105 E01 Grade 4
Rub Fastness ISO 105 X12 Grade 4
Hypochlorite Fastness ISO 105 N01 Grade 4
Dry Cleaning Fastness ISO 105 D01 Grade 4
Perspiration Fastness ISO 105 E04 Grade 4
Artificial Light Fastness ISO 105 B02 Grade 4

These fastness grades represent minimum performance levels and, in practice, the majority of shades will exceed these levels

Since conditions and applications vary considerably in the use of a product, the customer and/or user should assure herself or himself that the product meets end customer requirements and is suitable for the intended end use. Coats accepts no liability for unsuitable or improper use or application of products.

Information provided above is based on current averages and should be taken only as indicative. Coats accepts no liability for the preciseness and correctness of the information provided.

Product information sheets are updated from time to time, please be sure you are referring to the most recent publication. Coats supports customers with advice on individual applications on request; if you have any questions or concerns, please contact us.