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SAUNDERS THREAD SPECIFICATIONS
KEMFAST® POLYESTER THREAD
KEMFAST® is a continuous multifilament synthetic sewing thread developed by Suanders Thread which is widely used in a variety of sewing operations ranging from upholstery and leather goods to government contract work. The primary types of Kemfast are referred to by the prefix "S" or "B" designated soft or bonded respectively. Both types are engineered and processed to result in relatively low elongation, to yield maximum yardage per pound, and to provide excellent sewing performance.
SOFT AND BONDED KEMFAST
| Ticket Size |
Government VT - 285* Types I & 11 |
Approximate
Single End Strength (pounds) |
Approximate
Yards per pound Soft |
Approximate
Yards per pound Bonded |
| 23 | A/3 | 3.4 | 19,080 | |
| 33 | AA/3 | 4.5 | 13,910 | 13,430 |
| 46 | B/2 | 7.1 | 9,257 | 8,911 |
| 69 | E/3 | 10.6 | 5,930 | 5,637 |
| 92 | F/4 | 14.2 | 4,590 | 4,330 |
| 138 | FF/3 | 21.2 | 3,100 | 2,904 |
| 207 | 3/3 | 31.9 | 2,020 | 1,938 |
| 277 | 4/3 | 40.6 | 1,520 | 1,440 |
| 346 | 5/3 | 53.1 | 1,193 | 1,125 |
| 415 | 6/3 | 62.8 | 994 | 937 |
*Available in General Purpose and Non-Wick Finish
FINISHES
KEMFAST soft and bonded, is finished with lubrications that are specially designed for the sewing operations involved. These lubricants are formulated from carefully selected combinations of waxes, silicones, and oils. They provide consistent machine tensions and loop formation and in addition, afford protection from needle heat to insure good sewability. Non-silicone finishes are also available on request.
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