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Textured Polyester

Introduction

Doeast DONGBAI is a Textured Polyester used for general sewing in chainstitch loopers. It is ideal for using on overlocking & cover sewing loopers to provide comfort & softness especially on "next to skin" seams .

Main Uses

  • Lingerie
  • Swimwear
  • Knitwear
  • Baby's wear
  • Home textile
  • Sportswear

Advantages

  • Excellent sewing performance
  • Provides softness
  • High extensibility means it can be used to combat seam cracking
  • Certified to Oeko-tex standard 100, the most stringent class covering babywear.

Physical and chemical properities

Thermal Properties

  • Melts at 250--260℃ , softens at 220--240℃
  • Shrinkage less than 1% at 150℃

Chemical Properties

  • Mineral acids: Resistant to most mineral acids
  • Alkalis: Essentially unaffected by weak alkalis,but less resistant to stronger alkalis,especially at higher temperatures.
  • Oranic solvents : Generally unaffcted ,but soluble in some phenolic compounds.
  • Insects / microorganisms: unaffacted
  • Laundering / dry cleaning: unaffacted
  • Moisture regain: 0.4%

fastness properties

Fastness ISO Grade
Wash Fastness ISO 105 C03 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
Light Fastness ISO 105 B02 Grade 4