ultraCORE

Ultracore is a polyester wrapped thread with a polyester filament core. Ideal where fineness , high streangth and high temperature stability required. Ultracore specially formulated lubricant and excellent sewing performance at low tension under the most demanding conditions.

Main Uses
  • Fashion apparels
  • Jeanswear
  • Blouses and Shirts
  • various leather articles
  • Jackets and dress slacks
  • Workwear
  • Lingerie and swimsuits
Features and Benefits
  • Ultracore is a high-tech corespun thread that combines a high tenacity polyester filament core with a polyester fiber warp to make a versatile and reliable thread. Ultracore is ideal for delicate garments as well as jeans and workwear
  • Specially lubricated to deliver outstanding sewing performance in the most demanding applications.
  • The high strength polyester filament core allows the use of finer thread sizes, giving better seam appearance without compromising seam strength
  • Excellent abrasion resistance makes Ultracore ideal for jeans and workwear
  • Certified to Oko-Tex standared 100, class 1, the most stringent class covering babywear.
Global offer Tex. no. Global offer Count no. Ply Ticket no. B' Strength cN B' Strength in grams Elongation % min. - mix. Recommended needlesize singer/Metric
23 50/2 2 130 1010 1029 15-20 10 / 70
29 40/2 2 110 1290 1315 15-20 10 / 75
44 40/3 3 75 1910 1947 16-21 13 / 85
59 21/2 2 50 2700 2753 16-21 14 / 90
88 21/3 3 30 3810 3884 17-23 16 / 100
20 60/2 2 180 820 836 13-18 9/65
30 60/3 3 120 1420 1447 14-19 10/70

Physical and chemical Properties of staple spun polyster.

Thermal properties
  • Melts at 250 - 260 o C, Softens at 220-240 o C
  • Shrinkage less than 1 % 2 at 150 o C
Chemical Properties
Mineral acids

Resistant to most mineral acids

Alkalis

Essentially unaffected by weak alkalis,
but less resistant to stronger alkalis,
especially at higher temperature.

Organic Solvents

generally unaffected, but soluble in some phenolis compounds.

Bleaching :

Unaffected

Insects/Microorganisms :

Unaffected

Laundering/dry Cleaning :

Unaffected

Moisture regain :

0.4 %

Fastness Properties
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 Fastnes ( ISO 105 D01 ) Grade 4
Perspiration Fastness ( ISO 105 E04 ) Grade 4
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 )