谁有这些东西 速速 |
| 03-12 18:29:39 来源： 作者： |
|
谁有这些东西 速速 1. Please find hereinafter the dimmension of the bobbin required for the High Tenacity Low Shrinkage Polyester Dull / Semi-dull yarns for sewing thread production : High of the Tube - 420 mm Internal diameter of the Tube - not less than 30 mm External diameter of the Tube - 46 mm External diameter of the bobin with yarn - 126 mm Weight of yarn per bobbin - 2,5 - 3,0 kgs. POLYESTER YARNS FOR SEWING THREAD PRODUCTION, UNTWISTED, DULL, DTEX 111 & DTEX 133 or 138, ON ABT. 2,5 KILOS BOBBINES/COPS. NUMBER OF FILAMENTS , NOT LESS THAN - 32. ELONGATION AT BREAK, NOT LESS THAN - 17.8 % TENACITY AT BREAK, NOT LESS THAN - 657 mN/Tex ( "STATIMAT" DEVICE TESTS ) SHRINKAGE IN BOILING WATER, NOT MORE THAN - 2,5 % POLYESTER YARNS FOR SEWING THREAD PRODUCTION, UNTWISTED, DULL, DTEX 275 ON ABT. 1,8 - 2,9 KILOS BOBBINES/COPS NUMBER OF FILAMENTS - 48. TENACITY AT BREAK, NOT LESS THAN - 657 mN/Tex ( "STATIMAT" DEVICE TESTS ) ELONGATION AT BREAK, NOT MORE THAN - 6.5 % DRY SHRINKAGE -- 9% - 12 % 2. Also we have interest to the following high tenacity polyester fibers POLYESTER FIBERS FOR SEWING THREAD PRODUCTION DEN 1.1 & DEN 1.2, CRIMPED, DULL/ SEMI-DULL. LENGTH OF FIBERS -- 38 mm NUMBER OF CRIMPS per 1 CM --- 3 - 4 ELONGATION AT BREAK, NOT MORE THAN --- 23 % WHITENESS, NOT LESS THAN --- 75 % OIL CONTENT --- 0,2 % - 0,3% TENACITY AT BREAK, NOT LESS THAN --- 568 mN/Tex 3. PFDY Den 51/24F, Den 67/24F, Den 75/36F, SD, RW, GRADE AA, with abt 20-22 air-intermingling points per meter - controled by the needle in water , not only by eyes - it is important, as yarns from far east with test of points with eyes is not O'k for our market. In the past TREVIRA had such equipment in Europe, which later were re-placed to India. |
|
|
|
|
|
|
