Ashaway Line & Twine Manufacturing Company

Non-Sterile Suture Threads

Ashaway produces bulk, non-sterile suture threads in USP sizes ranging from 11/0 to 5. Products available include braided silk, polyester and nylon, and monofilament nylon and polypropylene. Please e-mail us for more information.
NON-STERILE STANDARD SUTURE THREAD
Type
UPS Range
Available
Color
(FDA-Approved Dye Used)
Color
Index
Braided Silk
USP 8/0 to USP 5
Black (logwood extract)
White (no dye)
75290
 
Braided
Polyester
USP 7/0 to USP 6
Green (D & C Green #6)
White (no dye)
61565
 
Braided Nylon
USP 7/0 to USP 3/4
Black (logwood extract)
White (no dye)
75290
 
Monofilament
Nylon
(Nylon 6.6)
USP 8/0 to USP 2
Black (logwood extract)
Blue (FD & C #2)
Clear (no dye)
75290
73015
 
Monofilament
Polypropylene
USP 8/0 to USP 2
CU-Phthalocyanine Blue
74160

BRAIDED SUTURE THREAD COATINGS
Suture Type
Coatings Available
Braided Silk
Silicone or Wax
Braided Polyester
Silicone
Braided Nylon
Silicone or Wax

NON-STERILE MICRO SUTURE THREAD
Type
UPS Range
Available
Color
(FDA-Approved Dye Used)
Color
Index
Braided Silk
USP 7/0 to USP 8/0
Black (logwood extract)
White (no dye)
75290
 
Virgin Silk
USP 8/0 to USP 9/0
Black (logwood extract)
White (no dye)
Methylene Blue
75290
 
52015
Monofilament
Nylon
(Nylon 6.6)
USP 8/0 to USP 11/0
Black (logwood extract)
Blue (FD & C #2)
Clear (no dye)
75290
73015
 
Monofilament
Polypropylene
USP 8/0 to USP 10/0
CU-Phthalocyanine Blue
74160

NON-ABSORBABLE SURGICAL SUTURE
Average Knot-Pull Limits of Various Sizes and Diameters of Sutures
USP
Size
Metric
Size
Limits on Average
Diameter (mm)
Min. / Max.
Non-Sterile, Non-Absorbable Class 1
Knot-Pull TensileStrength (kgf)
Minimum Average Acceptable
11-0
0.1
.010 / 0.019
0.008
10-0
0.2
.020 / 0.029
0.024
9-0
0.3
.030 / 0.039
0.054
8-0
0.4
.040 / 0.049
0.075
7-0
0.5
.050 / 0.069
0.138
6-0
0.7
.070 / 0.099
0.25
5-0
1
.1 /.149
0.50
4-0
1.5
.15 /.199
0.75
3-0
2
.20 / .249
1.20
2-0
3
.30 / .339
1.80
0
3.5
.35 / .399
2.70
1
4
.40 / .499
3.40
2
5
.50 / .599
4.40
3/4
6
.60 / .699
6.10
5
7
.70 / .799
7.70
NOTE: The tensile strength of sizes smaller than USP 8-0 is measured by straight pull.