Ashaway Line & Twine Manufacturing Company

Suture Threads

Ashaway is a proud global supplier of bulk non-sterile suture threads to the medical industry. We offer a wide range of braided and monofilament suture threads including world class micro suture threads. All of our suture thread products are manufactured and certified to USP specifications for diameter, knot-pull strength, and dye content. All supplied suture thread products include a certificate of compliance. SDS and TDS for all suture thread products are available upon request. Please contact us for more information.

We are certified to the ISO 13485:2016 standard - certificate available upon request.

Braided Suture Threads

Ashaway's core strengths of braiding, dying, and coating make us ideally suited for manufacturing braided suture threads. Both natural silk fibers, and synthetic polyamide and polyethylene terephthalate fibers are braided, dyed to FDA approved standards, and coated in our Ashaway, RI facility. Our braided suture threads are among the best value in the industry. Product range including available colors and coatings shown below. All braided suture threads are manufactured and certified to USP specifications for diameter, knot-pull strength, and dye content. Please contact us for more information.

Braided Non-Sterile Suture Thread
Type	USP Range Available	Color (FDA-Approved Dye Used)	Coatings Available
Braided Silk	USP 8/0 to USP 5	Black (logwood extract) White (no dye)	Silicone or Wax
Braided Polyester	USP 7/0 to USP 5	Green (D & C Green #6) White (no dye)	Silicone
Braided Nylon	USP 7/0 to USP 3/4	Black (logwood extract) White (no dye)	Silicone or Wax

Monofilament Suture Threads

Ashaway's monofilament suture thread offerings include a full range polyamide and polypropylene sutures dyed to FDA approved standards. Our monofilament offerings are fully inspected using the same techniques as our braided products to ensure the highest of quality. Product range including available colors listed below. All monofilament suture threads are manufactured and certified to USP specifications for diameter, knot-pull strength, and dye content. Please contact us for more information.

Monofilament Non-Sterile Suture Threads
Type	USP Range Available	Color (FDA-Approved Dye Used)
Monofilament Nylon (Nylon 6.6)	USP 12/0 to USP 2	Black (logwood extract) Blue (FD & C #2) Clear (no dye)
Monofilament Polypropylene	USP 10/0 to USP 2	[Phthalocyaninato (2-)] Copper

Micro Sutures

Ashaway specializes in manufacturing of micro suture threads for the most delicate of surgical procedures. Our proprietary techniques mastered over decades make Ashaway one of the world leaders in manufacturing micro suture threads. From 7/0 braided silk, polyester, and nylon down to 12/0 monofilament nylon, we offer a full range of micro sutures. Product range including available colors listed below. All micro suture threads are manufactured and certified to USP specifications for diameter, knot-pull strength, and dye content. Please contact us for more information.

Non-sterile Micro Suture Thread
Type	USP Range Available	Color (FDA-Approved Dye Used)
Braided Silk	USP 7/0 to USP 8/0	Black (logwood extract) White (no dye)
Virgin Silk	USP 8/0 to USP 9/0	Methylene Blue
Monofilament Nylon (Nylon 6.6)	USP 8/0 to USP 12/0	Black (logwood extract) Blue (FD & C #2) Clear (no dye)
Monofilament Polypropylene	USP 8/0 to USP 10/0	[Phthalocyaninato (2-)] Copper

Specifications

All of Ashaway's suture threads are manufactured and certified to USP specifications for diameter, knot pull strength, and dye content. Certificate of compliance included with all products sold. Specifications for diameter and knot-pull strength listed below. Specifications for dye content, SDS and TDS are available upon request. Please contact us for more information.

Non-absorbable Suture Thread Average Knot-Pull Limits of Various Sizes and Diameters
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	.10 /.149	0.50
4-0	1.5	.15 /.199	0.75
3-0	2	.20 / .249	1.20
2-0	3	.30 / .349	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.

Ashaway Line & Twine Mfg. Co.
24 Laurel Street
Ashaway RI 02804

Telephone:
(800) 556-7260 (from within USA)
or (401) 377-2221

E-mail: info@ashawayusa.com