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Carbon Fiber Tow & Filament — 3K to 50K, T700 / T800 / M40
Continuous carbon fiber tow supplied by the bobbin as an inquiry product, with grade and sizing matched to your process. We offer 3K through 50K tow in standard and high-modulus grades for winding, weaving, pultrusion and prepreg conversion, with batch-level traceability and a certificate of analysis. Tell us your process, resin system and target fiber volume, and we will recommend the tow size, grade and sizing that fit, then quote volume pricing and lead time.
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Request a Quote Key Features
3K / 12K / 24K / 48K tow sizes
T700 / T800 / T1000 / M40 grades
Epoxy and thermoplastic-compatible sizing
Batch traceability + certificate of analysis
Custom tow size and grade on request
Applications
Filament windingWeavingPultrusionPrepreg conversionBraidingAdditive manufacturing
Specifications
- Tow size
- 3K – 50K (custom on request)
- Fiber grade
- T700 / T800 / T1000 / M40
- Tensile strength
- 4.9 – 5.5 GPa (grade dependent)
- Tensile modulus
- 230 – 377 GPa (grade dependent)
- Density
- 1.76 – 1.80 g/cm3
- Sizing
- Epoxy / thermoplastic compatible
- Packaging
- Bobbin / spool, custom reel
Request a Quote
Usually respond within 24 hours
Frequently Asked Questions
What is the minimum order quantity for carbon fiber products?
We accept small-batch customization. Minimum quantities vary by product type — tubes and plates have lower MOQs, while custom-shaped parts depend on tooling requirements. Contact our sales team for a detailed quote.
What color and finish options are available?
Standard finishes include 3K plain/twill weave, UD unidirectional, and satin, primarily in black. Custom colors and surface coatings — including matte and gloss clear coats — are also available.
What is the typical lead time?
Standard product lead time is 15–25 working days. Custom products are evaluated based on process complexity. Rush service is available — please confirm timelines when requesting a quote.