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UNISPUN - 100% SPUN POLYESTER
SNUFFLAME - 100% SPUN POLYESTER WITH FR FINISH

Spun Threads - are made from staple fibers that are spun into single yarns and then two or more of these yarns are plied to make a sewing thread. Spun threads have a fibrous surface giving them a soft hand and good lubricity characteristics. Spun threads are used in everything from women's lingerie to heavy leather gloves.

Application
Tex Size
Tkt #
Metric
Cotton Count
Avg.* Strength (lbs)
Avg.* Strength (grams)
Avg.* Strength (cN)
Ndl Sz.** Min. Sz.
Ex-Light Weight
T-16
-
180
70/2
1.2
558
547
65 / 9
T-18
-
160
60/2
1.4
635
623
70 / 10
T-21
-
140
80/3
1.8
816
801
70 / 10
T-21
100/2
140
53/2
1.6
744
729
70 / 10
Light Weight
T-27
70/2
120
43/2
2.1
943
925
75 / 11
T-27
50/3
120
60/3
2.2
998
979
75 / 11
T-30
-
90
53/3
2.3
1,052
1,032
80 / 12
Medium Weight
T-40
50/2
75
29/2
3.2
1,461
1,432
90 / 14
T-45
40/3
60
39/3
3.6
1,647
1,615
90 / 14
T-60
50
19/2
4.7
2,118
2,077
110 / 18
T-60
30/3
50
29/3
4.8
2,177
2,135
110 / 18
Heavy Weight
T-70
16/2
40
16/2
6.1
2,771
2,718
110 / 18
T-80
36
14/2
7.1
3,216
3,154
120 / 19
T-90
20/3
30
19/3
7.6
3,443
3,376
120 / 20
T-105
16/3
27
16/3
9.7
4,404
4,319
125 / 20
Ex-Heavy Weight
T-120
-
25
20/4
10.6
4,785
4,693
130 / 21
T-135
-
20
12/3
11.1
5,035
4,937
140 / 22
T-210
-
13
8/3
19.4
8,800
8,629
180 / 24
T-240
-
12
12/5
19.8
8,981
8,807
200 / 25
T-270
-
11
20/9
-
-
-
NA

*SEB - Single End Break (lbs.) All strengths are for comparative purposes and should not be used as minimum requirements.
**Minimum recommended needle sizes. Includes both the newer Metric needle size designation and the older Singer needle size designation.