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SAUNDERS THREAD SPECIFICATIONS
ST - POLYPROPYLENE THREAD
ST - POLYPROPYLENE is a continuous multifilament synthetic sewing thread developed by Saunders Thread which is widely used in a variety of sewing operations ranging from protective clothing to filter bags. ST-POLYPROPYLENE is available in soft and is engineered and processed to result in maximum yardage yield per pound and to provide excellent sewing performance.
SOFT ST - POLYPROPYLENE
| Ticket Size |
Tex Sizes |
Approximate
Single End Strength (pounds) |
Approximate
Yards per Pound* |
| 46 | Tex 45 | 4.2 | 9600 |
| 69 | Tex 70 | 6.6 | 6400 |
| 92 | Tex 90 | 7.75 | 4800 |
| 90 | Tex 90 | 7.3 | 4475 |
| 105 | Tex 105 | 10.7 | 3800 |
| 138 | Tex 135 | 12.5 | 2960 |
| 207 | Tex 210 | 16.0 | 2100 |
| 277 | Tex 270 | 22.6 | 1595 |
*Actual yield depends on type and % of lubricant, if any.
FINISHES
ST - POLYPROPYLENE soft 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.
ST - POLYPROPYLENE is also available with silicone free lubricants as well as no finish (dry) when required for use in certain filter sewing.
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