Resources for engineers & buyers
Data sheets, standard size tables, the catalogue, quality documents and guides to help you choose the right carbon fiber form before you ask for a quote.
Technical data sheets
Each product family has a standard size table on its product page. Ask for the full technical data sheet and we send it by email with your quote.
| Product family | Standard sizes | Size table | Data sheet |
|---|---|---|---|
| Carbon Fiber Woven Fabric | 12 listed | View on product page | Request TDS |
| Carbon Fiber Prepreg | 10 listed | View on product page | Request TDS |
| Carbon Fiber Tube | 14 listed | View on product page | Request TDS |
| Carbon Fiber Sheet | 20 listed | View on product page | Request TDS |
| Carbon Fiber Roving | 14 listed | View in buyer guide | Request TDS |
| Carbon Fiber Chopped Strand | 10 listed | View on product page | Request TDS |
| Pultruded Carbon Fiber Round Tube | 14 listed | View on product page | Request TDS |
| Pultruded Carbon Fiber Square Tube | 17 listed | View on product page | Request TDS |
| Pultruded Carbon Fiber Rod | 14 listed | View on product page | Request TDS |
| Pultruded Carbon Fiber Strip | 17 listed | View on product page | Request TDS |
Product catalogue
Zbcarbon carbon fiber products catalogue, PDF, 12 pages, 5.8 MB.
Quality documents & safety data sheets
- Inspection process: see Quality control
- Certificates and test reports: request by email
- Safety data sheets (SDS): request by email
Guides
Which carbon fiber form fits your part?
Sheets, tubes, pultruded profiles, fabrics and prepreg compared, plus what to put in your RFQ.
3K or 12K T700 carbon fins: which blade spec should my dive brand order?
3K carbon blades flex more and suit freediving; 12K T700 blades are stiffer and suit spearfishing. Our standard blade has a 29° angle and 0.6–1.3 mm progressive thickness, with OEM colors, films and logos.
Can carbon fiber tubes and sheets be made in colors, and what should I know before ordering?
Yes. Carbon fiber tubes and sheets can be made in red, blue, gold, green, silver and other colors, glossy or matte. With the same structural layup, color changes the look, not the strength. What to specify and how to match a color.
Carbon fiber or aluminum: which is better for tubes, frames and arms?
A carbon fiber laminate weighs about 40% less than aluminum. Woven carbon is about 20% less stiff than aluminum; unidirectional carbon is about 1.8 times as stiff. Here is the data, and where aluminum still wins.
Carbon fiber or fiberglass: which should I use for my part?
Carbon fiber is about three times as stiff as E-glass fiber and 30% lighter, and it conducts electricity. Fiberglass costs less, insulates and is more forgiving. A side-by-side with the numbers.
Does Zbcarbon have its own factories, and what does each one make?
Yes. Zbcarbon runs its own factories in Nanning (carbon fiber tubes), Dongguan (tubes, sheets, pultruded profiles and finished parts, ISO 9001) and Datong (carbon fiber sheets), with one sales team in Nanning.
EXW, FOB, CIF, DAP or DDP: which Incoterm, payment and packing should I choose for a carbon fiber order from China?
We ship EXW, FOB, CIF, DAP or DDP, accept T/T or PayPal, and pack in cartons or on pallets. Which Incoterm fits your experience and order size, who pays what, and how to choose express, air or sea.
High-silica or E-glass cloth: which should I use for welding blankets, heat shields and fire curtains?
E-glass cloth EW140 does not burn and works up to 540 °C. High-silica cloth (over 96% SiO₂) works continuously at 900 °C, takes 1,450 °C for 10 minutes and softens at 1,700 °C. Pick by the hottest temperature the cloth will see.
How are pultruded carbon fiber rods, strips and tubes made?
Carbon tow is pulled from a creel through an epoxy bath and a heated steel die, which shapes and cures it in one pass; a puller draws it out and a saw cuts it to length. Why that makes straight, consistent profiles.
How are roll-wrapped carbon fiber tubes made?
Prepreg plies are cut, wrapped around a steel mandrel (unidirectional plies inside, a 3K woven ply outside), bound with shrink tape, oven-cured, pulled off the mandrel, then sanded, cut and checked. Eight steps.
How do I calculate the weight of a carbon fiber tube, sheet or fabric roll?
Weight = volume × density. Use about 1.6 g/cm³ for a cured carbon laminate. A 1000 × 1000 × 2 mm sheet weighs about 3.2 kg; a 20/18 mm tube about 95 g per meter. Formulas, worked examples and tables.
How do I check a carbon fiber or fiberglass sample before I order?
Weigh a 10 × 10 cm piece and multiply by 100 for g/m², inspect the weave against light, wet a piece with your own resin, and measure tubes at both ends. No lab needed.
How do I cure carbon fiber prepreg, and which resin system should I choose?
Our prepregs cure at 120–150 °C. Autoclave: 90 °C for 60 min, then 125 °C for 120 min at 0.6 MPa. Press: 145 °C for 60 min at 1.0 MPa. Compare five resin systems by Tg, resin content and laminate strength.
How do I get custom carbon fiber parts made for my brand (OEM), and what should I send?
Send a 3D file or drawing, the material and finish, the logo and the yearly quantity. Whether a mold is needed decides the tooling cost, the minimum order and the sample time. The OEM steps from inquiry to bulk.
How do I join carbon fiber to aluminum or steel without galvanic corrosion?
Carbon fiber is electrically noble, so bare aluminum touching it corrodes when wet. Isolate the two with a fiberglass layer, adhesive or sealant, use titanium or stainless fasteners, and protect drilled edges. A practical checklist.
How do I read a carbon fiber quality certificate, and which numbers should I check?
A carbon fiber certificate lists each test, its method, the allowed range and the measured result. Check five lines: linear density, density, tensile strength and its CV, modulus and sizing content.
How hot can carbon fiber parts get before they lose strength?
The resin, not the fiber, sets the limit. Our epoxy systems have a glass transition temperature (Tg) of 100–130 °C, so keep parts well below that. For real heat, use high-temperature glass or silica cloth instead.
How should carbon fiber fabric and prepreg be stored, and how long do they keep?
Dry carbon fiber fabric keeps 24 months at 10–35 °C and below 70% humidity. Prepreg must be frozen: about 6–12 months at −18 °C, but only weeks at room temperature.
How should I plan carbon fiber and fiberglass orders around Chinese New Year?
Chinese New Year 2027 is on 6 February. Confirm February and March needs 6–8 weeks ahead, place orders that must ship before the break 3–4 weeks ahead, and keep sending quote requests during the holiday.
How thick should a carbon fiber sheet be? Thickness, stiffness and weight explained
Bending stiffness grows with the cube of thickness: a 2 mm carbon sheet is 8 times as stiff as a 1 mm sheet and only twice as heavy. To match an aluminum plate, woven carbon needs about 8% more thickness but weighs about 36% less.
Square or round carbon fiber tube: which shape is better for a frame?
At the same width and wall, a square carbon tube is 1.7 times as stiff in bending as a round one and 27% heavier, so about a third stiffer per gram. Round tubes twist and handle loads from any side equally well.
What do I need to specify to order a custom carbon fiber telescopic pole?
Specify the extended and closed length, the number of sections, the top and bottom diameters, the lock type, the end fittings, the finish and a target weight. A checklist with an example section stack.
What should I send to order CNC-cut carbon fiber sheet parts?
Send a DXF or DWG (STEP for 3D features), the thickness, the surface on each face, the fiber grade and the quantity. Standard sheets are 3K T300, 1–5 mm; custom sheets go up to 9000 × 3000 mm and 0.2–150 mm.
Where does carbon fiber help in robots and automation machines, and which form should I use?
Use carbon fiber on parts that move fast or must stay dimensionally stable: end-of-arm tooling, gantry beams, robot links, pick-and-place arms and sensor mounts. Which form fits each part, with the stiffness-to-weight data.
Which carbon fiber parts do camera and photography accessory brands use, and how should they be specified?
Tripod legs, monopods and extension poles use round or telescopic tubes; sliders and rigs use tubes and rails; cages, plates and mounts are CNC-cut from sheet, often in full matte to stop reflections. Specs for each.
Which carbon fiber tube size should I use for drone arms and booms?
For the same weight, a larger, thin-walled tube is much stiffer. A 14/12 mm tube weighs about 65 g/m and is stiffer than a 12/8 mm tube at about 100 g/m. Weight and stiffness for 10 standard sizes.
Which chopped carbon fiber should I use for conductive, ESD or reinforced plastics?
Match the sizing to your polymer (epoxy, polyurethane or polyamide), pick 3, 6 or 12 mm length for your process, and check bulk density for your feeder. Full spec table for PAN-based chopped carbon fiber.
Which fiberglass chopped strands should I use for PP compounds, injection molding and BMC?
For thermoplastics like PP, use chopped strands sized for thermoplastics, with low fuzz and good dispersion. For BMC, use strands with good choppability and strand integrity. Lengths 3, 6 and 12 mm; MOQ 100 kg.
Which fiberglass roving do I need: direct or assembled, and for which process?
Direct roving is one continuous strand for weaving, filament winding and pultrusion. Assembled roving is many strands wound together for chopping: SMC, spray-up, chopped mat, panels and thermoplastic compounding. Match roving to process and resin.
Which light fiberglass mesh (45–75 g/m²) should I use for drywall joints, waterproofing and mosaic backing?
Light meshes of 45–75 g/m² suit interior plaster, board joints, waterproofing membranes and mosaic backing. Compare five datasheets: mesh size, warp and weft breaking strength, coating and roll length.
Which unidirectional carbon fiber fabric should I use to strengthen concrete beams, slabs and columns?
We compare T300 and T700 unidirectional fabrics at 400 and 600 g/m²: fiber strength 4,500–4,900 MPa, modulus 230–240 GPa, design thickness 0.222 and 0.333 mm.
Biaxial, triaxial or unidirectional: which stitched fiberglass fabric should I use?
How to choose stitched E-glass fabric by fiber direction: 0/90 biaxial, ±45 biaxial, triaxial, unidirectional and combo mat, with weights and product codes.
Fiberglass or mineral wool acoustic ceiling tiles: which absorbs more sound and handles fire and humidity better?
Fiberglass, mineral wool and calcium silicate ceiling panels compared by NRC, fire class, humidity rating, sizes and edges, with a quote checklist.
Which electronic fiberglass cloth style do I need for PCB laminates: 7628, 2116, 1080 or 106?
Compare E-glass cloth styles for PCB prepreg and laminate: yarn, thread count, weight, thickness and tensile strength of 7628, 2116, 1080 and 106.
Which fiberglass chopped strand mat should I order: what weight, and powder or emulsion binder?
Specifying E-glass chopped strand mat: 100 to 900 g/m² weights, powder vs emulsion binder, roll width and weight, and when a stitched mat fits better.
3K, 12K or 24K: which carbon fiber tow and grade should I choose?
Choosing carbon fiber tow: 3K, 12K or 24K, and standard (230 GPa) or higher-modulus grades, with tensile strength and linear density from our catalogue.
How do I choose the right alkali-resistant fiberglass mesh for EIFS and exterior wall plaster reinforcement?
How to choose alkali-resistant fiberglass mesh for EIFS and plaster: glass type, zirconia content, weight, hole size, tensile strength and alkali resistance.
Should I use carbon fiber prepreg or dry woven fabric, and which weight, weave and thickness?
Carbon fiber prepreg or dry woven fabric? Zbcarbon catalogue weights (100–480 g/m² fabric, 200–400 g/m² prepreg at 42% resin), weaves and cured-ply thickness.
What sizes do carbon fiber tubes come in, and should I choose roll-wrapped or pultruded?
Carbon fiber tube sizes from the Zbcarbon catalogue (6–20 mm OD, 500 and 1000 mm lengths, square from 1.4 mm) and how to pick roll-wrapped or pultruded.
What sizes do pultruded carbon fiber rods and strips come in?
Standard pultruded carbon fiber rod diameters (0.5–5.0 mm) and strip sizes (0.2 × 2 to 6 × 30 mm), all 1000 mm long, from the Zbcarbon catalogue.
Which AR glass fiber should I use for GRC and concrete: chopped strands, roving or mat?
AR glass fiber for GRC and concrete: when to use chopped strands, roving or mat, and which zirconia, length, tex and strength figures to check.
Ordering, samples and shipping questions
Answers about prices, how to order, lead time, services and shipping.
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