High Strength Carbon Fiber Fabric
Woven carbon reinforcement manufactured from premium PAN precursor processed for maximum tensile performance. Fiber-level tensile strength is held at or above 4200 MPa, giving roughly 15% to 20% more load capacity than standard modulus fabric at equivalent areal weight. Specified for primary structures where weight and strength both matter.
What Sets High Strength Grade Apart
High strength carbon fiber is produced from a premium PAN precursor and processed under tightened carbonization conditions to maximise tensile strength. Standard modulus carbon generally sits between 3500 and 3800 MPa. High strength grade sits at 4200 MPa and above, which directly increases the load a given cross section can carry before failure.
The higher strength figure matters most in applications where ply count is fixed by geometry or thickness limits, and where added strength cannot be recovered by adding material. It also improves energy absorption in dynamic load cases, which is why the grade is commonly specified for crash structures, spar caps, and pressure components.
Mechanical Data
Specification
Resin and Cure
To realise the full tensile capability of the fiber, the resin system must be matched in strain capacity. Structural epoxy systems with glass transition of 180°C or higher are recommended. Toughened grades improve impact performance where dynamic loads apply.
Application Areas
Technical Questions
High strength grade uses a premium PAN precursor and tightened carbonization to reach a minimum of 4200 MPa tensile strength. Standard modulus fabric generally falls between 3500 and 3800 MPa. The difference is roughly 15% to 20% additional tensile capacity at equivalent weight, which matters where ply count is fixed by thickness or geometry limits.
Structural epoxy systems with glass transition temperature of 180°C or higher are recommended to fully utilise the fiber's tensile capability. The resin should have strain to failure above 2% to avoid premature matrix cracking under load. Toughened epoxy grades are preferred where impact or dynamic loading is expected.
Yes. Vacuum bag processing achieves 55% to 58% fiber volume fraction and is suitable for many structural applications. Autoclave processing at 5 to 7 bar reaches 58% to 62% and reduces void content further, which is preferred for primary structures where consistent properties are required.
Vacuum bagging typically yields 55% to 58%. Autoclave or compression molding reaches 58% to 62%. The weave structure allows high compaction without significant tow distortion, which helps retain the fiber's mechanical advantage in the cured laminate.
Each roll is supplied with a Certificate of Conformance recording batch number, fiber tensile verification, measured areal weight, weave geometry, and sizing content. Full material data sheets are available for engineering review and structural qualification records.
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