Technora
Technora is a copolymer para-aramid fiber (tensile strength 3400 MPa, elastic modulus 72 GPa, elongation 4.4 %, service to about 200 °C) that trades some modulus for higher elongation and better fatigue, hydrolysis and chemical resistance than homopolymer aramids.
Reference datasheet — Technora is not in the instant-quote catalog. Upload your part and an engineer will quote it in this grade or suggest the closest stocked equivalent.
Values for the T200 condition
Technora grades and fills
Technora is supplied in 4 conditions, soft to hard. T200 is the default FabDigit quotes; the values on this page are for it.
Compare all 4 grades and fillsHide
| Grade · open for datasheet | Best for | Yield MPa | Tensile MPa | Elong. % | Hardness |
|---|---|---|---|---|---|
Rubber-reinforcement grade / dipped cord base | Use for RFL-dipped cords in high-pressure hose, timing/power-transmission belts and tire reinforcement where flex fatigue dominates. | 3,000 | 4.8 | ||
Short-cut / chopped fiber (1–12 mm) | Use as reinforcement/anti-squeal additive in friction materials, gaskets, sealants, cement and thermoplastic compounds. | 3,000 | 4.4 | ||
Adhesive-activated yarn for rubber/resin bonding | Pick when the yarn must bond to rubber or resin (hose, belt, tire) without a separate epoxy pre-treatment. | 3,200 | 4.5 | ||
T200Default Standard filament yarn | Default high-tenacity filament yarn for ropes, cables, optical-cable strength members and composite reinforcement. | 3,400 | 4.4 |
Supply forms, finishes and certifications
Ways Technora is supplied — form, process route, surface or paperwork — without a datasheet of their own. The property values above apply.
| Option | What it is | Type |
|---|---|---|
STAPLE | Staple fiber | Supply form |
What is Technora?
Technora is a copolymer para-aramid fiber (tensile strength 3400 MPa, elastic modulus 72 GPa, elongation 4.4 %, service to about 200 °C) that trades some modulus for higher elongation and better fatigue, hydrolysis and chemical resistance than homopolymer aramids. It is supplied as T200 standard yarn, adhesive-activated T221 and T240 for rubber and resin bonding, staple and short-cut fiber. Like all aramids it does not melt, degrades under UV and is weak in fiber-direction compression, so hybridizing with carbon or glass is common in laminates. Technora has a density of 1.39 g/cm³ (0.0502 lb/in³), lighter than 66% of composite grades. Its glass-transition temperature is 300°C (572 °F). Technora has a tensile strength of 3,400 MPa (493 ksi), stronger than 85% of composite grades. Elongation at break is 4.4% and the elastic modulus is 72 GPa (10.4 Msi).
What is Technora used for?
- submarine cables
- optical fiber cable strength members
- tire cords
- ropes
Advantages
- Ductile — tolerates forming and impact — 4.4%, better than 84% of composite grades
Limitations
- Absorbs moisture — dry before molding — 2%, worse than 88% of composite grades
- Poor heat conductor — 0.05 W/m·K (0.0289 BTU/hr·ft·°F), worse than 87% of composite grades
- Degrades in UV without stabilisers — 25/100, worse than 86% of composite grades
- Difficult to machine — 20/100, worse than 77% of composite grades
Technora properties
Typical room-temperature values for Technora-T200; bars are the position among composite grades.
Physical4
Technora has a density of 1.39 g/cm³ (0.0502 lb/in³), lighter than 66% of composite grades. Its glass-transition temperature is 300°C (572 °F).
Mechanical6
Technora has a tensile strength of 3,400 MPa (493 ksi), stronger than 85% of composite grades. Elongation at break is 4.4% and the elastic modulus is 72 GPa (10.4 Msi).
Thermal8
Technora is rated for continuous service to 200°C (392 °F). It conducts heat at 0.05 W/m·K (0.0289 BTU/hr·ft·°F), worse than 87% of composite grades. Thermal expansion is -3 µm/m·K (-1.67 µin/in·°F).
Electrical3
Technora has an electrical resistivity of 1×10¹² Ω·m.
Chemical & Environmental3
Corrosion resistance is very good (80/100), better than 54% of composite grades. UV resistance is poor.
Sustainability4
Producing a kilogram of Technora takes about 260 MJ of energy and emits 15 kg of CO₂ — more than 57% of composite grades. Typical recycled content is 0%.
Manufacturability1
Technora's machinability is poor (20/100, worse than 77% of composite grades).
Common Calculations4
Values are nominal handbook figures for design screening. Certified mill or lot data ships with every FabDigit order on request.
Strength versus weight in the composite family
Yield strength against density for every composite grade FabDigit runs. Technora is highlighted; hover a dot for its name, or open the interactive family chart.
Working with Technora
Is Technora easy to machine?
Cutting fuzzes badly — use hot knife, ultrasonic or laser for fabric, and PCD/serrated or compression-router tooling with sharp positive rake for cured laminates; expect no melting, only charring.
Can Technora be welded?
Not weldable or fusible (decomposes ~500 °C without melting); join by stitching, splicing, mechanical termination or adhesive/resin bonding.
Can Technora be formed, bent or molded?
Processed as yarn, cord, woven/UD fabric or short-cut fiber into thermoset (epoxy, phenolic, vinyl ester) or rubber matrices; low compression strength means avoid fiber-direction compressive loading and consider hybridizing with carbon or glass.
Technora chemical composition (wt %)
Limits by weight percent from the governing specification, written the way the spec states them — a single maximum for impurities, a range for alloying elements, and the base element as balance. Nominal is the typical mid-range value.
| Element | Spec limit (wt %) | Nominal |
|---|---|---|
| terephthaloyl chloride (terephthalamide mol % of monomer feed; acid chloride component | 48 – 52 | 50 |
| p-phenylenediamine (PPD)mol %; rigid para unit | 20 – 30 | 25 |
| 3,4'-diaminodiphenyl ether (3,4'-ODA)mol %; co-monomer giving the copolymer its higher elongation and hydrolysis resistance | 20 – 30 | 25 |
| finish / spin oilsurface finish on filament yarn (wt %) | 0.2 – 1.5 | 0.5 |
What surface finishes work on Technora?
Use RFL/epoxy dip or adhesive-activated grade (T221/T240) for rubber and resin adhesion; protect from sunlight with pigmented jackets, coatings or overbraids because UV strength loss is rapid.
How much does Technora cost?
Technora is a high-cost composite ($$$$), pricier than about 78% of the materials FabDigit quotes. Part price depends far more on geometry, tolerance and quantity than on the raw stock — upload a CAD file for a live quote.
Technora — frequently asked
What is Technora used for?
Technora is typically used for submarine cables, optical fiber cable strength members, tire cords and ropes. In short: highest-elongation para-aramid; best aramid fatigue resistance; adhesive-activated yarn grades.
What is the tensile strength of Technora?
Technora has a typical tensile strength of 3,400 MPa (493 ksi) — stronger than 85% of composite grades. Strength varies by condition: see the 4 listed tempers.
Is Technora easy to machine?
Not especially — machinability is rated poor (20/100, worse than 77% of composite grades). Cutting fuzzes badly — use hot knife, ultrasonic or laser for fabric, and PCD/serrated or compression-router tooling with sharp positive rake for cured laminates; expect no melting, only charring.
Can Technora be welded?
Not weldable or fusible (decomposes ~500 °C without melting); join by stitching, splicing, mechanical termination or adhesive/resin bonding.
What surface finishes work on Technora?
Use RFL/epoxy dip or adhesive-activated grade (T221/T240) for rubber and resin adhesion; protect from sunlight with pigmented jackets, coatings or overbraids because UV strength loss is rapid.
Can Technora be formed, bent or molded?
Processed as yarn, cord, woven/UD fabric or short-cut fiber into thermoset (epoxy, phenolic, vinyl ester) or rubber matrices; low compression strength means avoid fiber-direction compressive loading and consider hybridizing with carbon or glass.
What is the maximum service temperature of Technora?
Technora is rated for continuous use to about 200°C (392 °F), and briefly to 300°C. Strength falls off well before that limit — check the elevated-temperature data for load-bearing parts.
How much does Technora cost?
Technora is a high-cost composite ($$$$), pricier than about 78% of the materials FabDigit quotes. Part price depends far more on geometry, tolerance and quantity than on the raw stock — upload a CAD file for a live quote.
Sources
- Technora Para-aramid Fiber — Technical Information — Teijin Aramid / Teijin Limited (2023)
- High-Performance Fibres (ed. J. W. S. Hearle) — aramid chapter — Woodhead Publishing (2001)
- ASM Handbook Vol. 21: Composites — aramid fiber reinforcements — ASM International (2001)
- CES/Granta generic aramid fiber records (LCA and mechanical ranges) — Ansys Granta (2022)
Property data is compiled from published supplier and standards handbooks and normalised for comparison; hardness values on non-Brinell scales are converted approximately for charting only. Manufacturability limits are FabDigit quote-engine defaults and may be relaxed by engineering review. Nothing on this page is a certification — request mill certs, CoC or material test reports with your order.