| HS Code | 393156 |
| Density | 1.20 g/cm³ |
| Melting Point | 189 °C |
| Tensile Strength At Break | 145 MPa |
| Tensile Modulus | 11500 MPa |
| Elongation At Break | 1.5 % |
| Flexural Modulus | 9500 MPa |
| Flexural Strength | 150 MPa |
| Charpy Impact Strength Notched | 10 kJ/m² |
| Heat Deflection Temperature 1 8 Mpa | 170 °C |
| Water Absorption 24h | 0.2 % |
| Vicat Softening Temperature | 185 °C |
| Flammability | HB (UL94) |
As an accredited Arkema Rilsan BSR 30 PA11-CF30 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Rilsan BSR 30 PA11-CF30 is supplied in sealed 25 kg bags: a carbon-fiber reinforced polyamide 11 powder for high-performance 3D printing. |
| Container Loading (20′ FCL) | 20′ FCL: palletized bags of Arkema Rilsan BSR 30 PA11-CF30, securely stowed, protected from moisture and damage. |
| Shipping | Arkema Rilsan BSR 30 PA11-CF30 is a carbon-fiber-reinforced polyamide 11 powder, typically shipped in sealed, moisture-barrier bags to preserve flowability. Transport at ambient temperature in dry, ventilated conditions. Avoid excessive humidity, direct sunlight, and compaction. Standard non-hazardous classification applies, though dust-control measures are recommended during handling. |
| Storage | Store Arkema Rilsan BSR 30 PA11-CF30 in its original, tightly sealed container in a cool, dry, well-ventilated area, away from direct sunlight and heat sources. Protect from moisture and humidity, as the powder absorbs water and may degrade print performance. Keep at room temperature, ideally below 25°C, with low relative humidity. Use desiccant if necessary, and reseal immediately after use. |
| Shelf Life | Shelf life is typically two years from shipment date when stored in original, unopened packaging in a cool, dry environment. |
Subsea hydrocarbon handling has historically qualified unreinforced PA11 as a pressure sheath in unbonded flexible pipe under API 17J and ISO 13628-11, but the same ductility reserve is not available when 30 wt% carbon fibre is incorporated. Rilsan BSR 30 PA11-CF30 therefore appears less frequently in dynamic sheath layers and more frequently in load-bearing end terminations, bend-stiffener inserts, RTP end-fitting collets, and subsea clamp bodies. In these applications the compound is injection moulded at a melt temperature of 240–260 °C, using a screw with L/D 20–24 and low-shear mixing sections to preserve fibre length. Tool temperature is held at 70–90 °C and hold pressure between 60 and 80 MPa; wall thicknesses in subsea clamp bodies generally range from 6 to 12 mm, which places the material in a long cooling regime that exacerbates carbon-fibre orientation gradients across the skin-core boundary. Drying before moulding is executed in a desiccant dryer at 90 °C for 4–6 h until residual moisture is below 0.02 wt%; moulders report hydrolysis-induced splay and weld-line strength loss of 15–20% when this threshold is exceeded. Regrind additions are limited to 15 wt% because carbon-fibre attrition during granulation reduces fibre length and immediately lowers notched Charpy impact measured to ISO 179-1/1eU from the virgin range of 7–9 kJ/m² toward 5 kJ/m² at 30 wt% regrind. Dimensional stability after prolonged exposure to 60 °C synthetic seawater under ASTM D665 remains within ±0.15% on 50 mm edge-length plaques, which is considerably better than PA6-GF30 grades but does not replicate the flexibility of unreinforced PA11. Because the carbon-fibre compound is stiff and electrically dissipative, cathodic protection current distribution across subsea clamps must be reviewed; the surface conductivity can create unintended current paths if metallic inserts are overmoulded without dielectric isolation. Terminal parts include RTP end termination collets, subsea clamp halves, anti-extrusion rings and bend-stiffener inserts, all of which must be dimensionally verified after humid ageing according to ISO 62:2008 and after thermal cycling between −20 °C and 80 °C as required by the installation specification.
Underbonnet structural brackets and static-dissipative fuel-line clips represent a production-scale injection moulding segment in which PA11-CF30 competes against PA66-GF30 where calcium chloride and zinc chloride road-salt exposure shortens glass-fibre service life. The compound is processed as a 100 wt% virgin feed for safety-related brackets; non-structural clips may incorporate up to 15 wt% dry regrind after fibre-length screening. Drying at 90 °C for 4 h to a dew point of −35 °C is followed by injection moulding at a melt temperature of 250–270 °C, mould temperature of 80–100 °C, hydraulic back pressure of 30–50 bar, and injection velocity of 50–80 mm/s. Ribbed bracket walls are designed at 3–5 mm nominal thickness to balance filling pressure and cycle time; thin sections below 1.8 mm are avoided because carbon-fibre flow orientation can produce surface resistivity variation above one decade and cause electrostatic discharge control issues. Qualification testing for an engine-compartment bracket includes SAE J1455 thermal shock from −40 °C to 140 °C, 96 h neutral salt spray per ASTM B117-19, and tensile property retention after 1,000 h at 130 °C according to ISO 527-2:2012; specifications commonly require tensile modulus retention above 95%. The surface resistivity of moulded clips measured to IEC 61340-5-1:2016 typically falls between 10³ and 10⁵ Ω, which prevents static accumulation in fuel-vapour areas without creating a metallic short path. Ultrasonic welding of bosses and ribs is possible but requires increased amplitude of 35–40 µm and trigger force near 0.3 MPa because the highly filled matrix attenuates ultrasonic energy more rapidly than neat PA11. Failure modes observed on production lines include fibre-rich weld lines at gas traps, edge delamination during hot sprue degating, and surface pitting when mould temperature drops below 70 °C. Terminal products include underbonnet ECU brackets, coolant-pipe retaining clips, static-dissipative fuel-vapour line clips, and charge-air duct flanges.
Orthotic struts and rigid sports footplate preforms are typically produced by extruding the material into sheet rather than by net-shape injection moulding because subsequent thermoforming permits local fibre orientation adjustment for flexural zones. The compounding ratio is fixed by the grade at 30 wt% carbon fibre, but surface-finish requirements often lead to co-extruded neat PA11 cap layers at a thickness ratio of 10:90 to 15:85 neat-to-filled material in order to reduce carbon-fibre print-through and improve weldability to soft liners. Sheet extrusion is conducted at 230–250 °C through a flexible-lip die with 1.5–3.0 mm gap, followed by calendering and air cooling; the sheet is then dried to below 0.02 wt% moisture before vacuum thermoforming at 160–180 °C under 0.08 MPa negative pressure. The forming window is narrow because the carbon network raises extensional viscosity and reduces sag, which helps wall-thickness uniformity but causes cracking at sharp radii below 3 mm. CNC trimming of formed shells is carried out with diamond-coated end mills at 18,000–25,000 min⁻¹ and feed rates not exceeding 0.12 mm/tooth; higher feed produces edge delamination between fibre ends and the PA11 matrix. Mechanical acceptance for a running-shoe carbon plate uses ISO 527-2:2012 tensile modulus and ISO 178:2019 flexural modulus, while fatigue is evaluated in three-point bending at 5 Hz for 500,000 cycles at 80 MPa maximum stress; published data for this specific PA11-CF30 grade in consumer-sports configurations remain limited, so final fatigue verification is typically performed on component-level specimens rather than relying on raw-material datasheets. Where the formed part is used in an orthotic shell in skin-contact application, cytotoxicity testing to ISO 10993-5:2009 is required at the device level, because the raw compound is not marketed with a medical-grade certification that covers all customer processing aids and carbon-fibre sizing residues. Terminal products include carbon-fibre running-shoe plates, cycling shoe shanks, rigid ankle-foot orthotic shells, and waist-belt stiffener inserts.
Robotic end-of-arm tooling, gripper jaws, and printed-circuit-board assembly nests made from PA11-CF30 are often machined from pre-shrunk plate rather than moulded net-shape, because absorbed moisture can shift machined bores by more than 0.1 mm when parts are moved between dry machining and humid assembly floors. Plate stock is produced by compression moulding at 220–240 °C under 20 MPa, followed by a 8 h annealing soak at 110 °C to reduce frozen-in stress before the first machining operation. The machining process uses uncoated tungsten carbide with positive rake of 12° and cutting speeds between 150 and 250 m/min; compressed-air cooling is preferred over water-soluble coolants because PA11 absorbs moisture slowly and dimensional verification must be performed after conditioning at 23 °C and 50% RH for 48 h per ISO 291. Vacuum gripper plates and locating pins are accepted only when hole-position tolerance remains within 0.05 mm after 500 assembly cycles; this is achieved by machining after conditioning, not by relying on as-moulded geometry. The carbon-fibre fraction lowers thermal expansion relative to unreinforced PA11, and the coefficient of linear thermal expansion measured by ISO 11359-2:2021 approaches 2.0–3.5×10⁻⁵ K⁻¹ in the flow direction but can be twice that in the transverse direction, making anisotropic allowance mandatory for parts longer than 150 mm. Fibre-end wear at clamping faces is an observed field failure after approximately 2.5×10⁶ cycles, and refurbishment by machining removes 0.2–0.5 mm from the wear surface. In cleanroom applications, the material path is qualified under ISO 14644-1:2015 for particle cleanliness class, though fibre pull-out from as-machined edges must be controlled by deburring and dry-ice surface cleaning. No unfilled PA11 dilution is permitted in fixtures requiring surface resistivity below 10⁶ Ω. Terminal products include robot gripper jaws, end-of-arm tooling plates, vacuum gripper nests, and optical-inspection fixture bases.
Logging-tool brackets, downhole sensor housings, and cable-protector clamps in produced-water environments require a hydrocarbon-resistant matrix that does not hydrolyse as rapidly as PA6-GF30 at 60–80 °C. The processing specification for these thick-walled housings is unusually conservative: the compound is predried at 90 °C for 6 h, injected at melt temperature 235–250 °C, and mould temperature 60–80 °C, with hold pressure reduced to 50–60 MPa to minimise frozen-in stress around embedded metal collars. Wall thicknesses range from 8 to 15 mm, so cooling time dominates cycle time and can exceed 6 min. Virgin feed is specified at 100 wt% because regrind introduces fibre ends that act as micro-capillary paths for sour-water ingress; if regrind is used at all, it is restricted to 10 wt% and only in non-pressure housings. Chemical resistance testing is performed to ISO 175:2010 using synthetic produced water with 3.5 wt% NaCl, 500 ppm H₂S, and 2 wt% CO₂ at 70 °C for 28 days; acceptance requires tensile strength retention above 85% and dimensional change below 0.3%. Hydrolysis is the dominant ageing mechanism, and the maximum recommended continuous service temperature in water-saturated sour conditions is 70 °C for this grade unless component-specific testing demonstrates otherwise; published data for this exact carbon-fibre PA11 configuration under high-pressure sour gas are limited. Terminal products include downhole sensor housings, logging-tool brackets, cable-protector clamps, and perforating-gun switch covers, all of which are validated to the operator’s specific material qualification protocol under ISO 23936-1:2009 rather than using metallic NACE TM0292 methods.
This segment uses the carbon-fibre network in PA11-CF30 as a controlled dissipative material for soldering-jig bases, test sockets, and PCB assembly fixtures that cannot tolerate surface charging from manual handling. The grade is not suitable for reflow solder pallets above 170 °C because heat deflection temperature under 1.8 MPa is near the short-term ceiling of the PA11 matrix, so wave-solder carriers are replaced by lower-temperature selective-solder and inspection fixtures. Injection moulding of fixture plates is performed with melt temperature 240–260 °C, tool temperature 70–90 °C, and fill speed reduced to 30–50 mm/s to avoid jetting and visible flow-front weld lines that disturb surface resistivity. The ratio of conductive filler is fixed at 30 wt% carbon fibre, but surface resistivity is not isotropic; measurements to IEC 61340-5-1:2016 can shift from 10³ Ω on the gate area to 10⁶ Ω at the last-filled zone if fast injection freezes fibre orientation. Consequently, ESD-safe fixtures are either designed with redundant grounding pads and a 0.3 mm minimum conductive path, or they are machined from plaques conditioned at 23 °C and 50% RH for 48 h. Cleanliness in use is specified by wipe-down procedures with isopropanol; aromatic hydrocarbons and hydrocarbon-based release agents are excluded because they can swell the PA11 matrix and increase surface resistivity. Dimensional verification follows ISO 2768-1 medium class for machined slots, with a maximum allowed positional deviation of 0.1 mm over 250 mm. Terminal products include selective-solder masking jigs, board-in-circuit test socket bases, ESD-safe assembly nests, and optical inspection fixture plates.
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Arkema Rilsan BSR 30 PA11-CF30 is supplied as a carbon-fibre-reinforced polyamide 11 compound with a nominal filler loading of 30 wt.%. The matrix is a semi-crystalline aliphatic polyamide synthesised from 11-aminoundecanoic acid derived from castor oil; this reduces the amide-group concentration relative to PA6 and PA66 and is the primary structural reason for the compound’s lower equilibrium moisture uptake. The carbon fibre phase is typically a PAN-based chopped fibre with a polyamide-compatible sizing system. Because the exact BSR 30 technical datasheet is not reproduced here, numerical values in this introduction are stated as comparative industrial ranges for 30 wt.% carbon-fibre polyamide 11 unless a supplier-certified value is explicitly identified.
Typical published ranges for PA11-CF30 include density of 1.15–1.19 g/cm³ under ISO 1183-1, tensile modulus of 16–20 GPa under ISO 527-2, and a melting endotherm peak between 188 °C and 192 °C by differential scanning calorimetry under ISO 11357-3. The carbon fibre phase reduces mould shrinkage from the 1.2–1.8 % typical of unfilled PA11 to approximately 0.2–0.5 % in the flow direction and 0.6–1.0 % transverse to flow when measured on 60 mm × 60 mm × 2 mm plaques under ISO 294-4. These anisotropy ranges are tool-design planning values, not lot-specific guarantees.
Equilibrium moisture at 23 °C and 50 % RH is typically 1.6–2.0 % for PA11-CF30 under ISO 62, compared with 2.6–3.1 % for a 30 wt.% carbon-fibre PA6 compound and 1.2–1.6 % for PA12-CF30. Dimensional change after conditioning from dry as-moulded to equilibrium at 50 % RH is commonly 0.3–0.5 %; the carbon fibre constrains swelling more effectively than short glass fibre at equal weight fraction because of the higher axial stiffness of carbon. Moisture-induced dimensional hysteresis remains measurable when components are cycled between 10 % RH and 80 % RH, so closed-loop dimensional control is required for precision housings.
Chemical resistance follows the PA11 pattern: aliphatic hydrocarbons, diesel fuel, lubricating oils, heat-transfer fluids, and many ester plasticisers are generally tolerated at service temperatures below 80 °C, but strong mineral acids, phenols, cresols, concentrated formic acid, and prolonged boiling water produce hydrolytic degradation. Compatibility must be verified under ISO 175 using the actual stress state because carbon fibre increases sensitivity to chemical stress cracking by concentrating strain at fibre ends. Exposure to zinc chloride solutions, including certain road de-icing brines, is a recognised stress-cracking environment for PA11; the filled compound should not be specified for stressed parts in such service without component-level validation.
Production-scale handling begins with drying in a desiccant air dryer at 80 °C for 12 h, with a dew point no higher than −40 °C, to achieve residual moisture below 0.08 wt.%. If moulding proceeds above 0.12 wt.% residual moisture, melt hydrolysis lowers molecular weight and tensile strength often falls by 10–20 %, with visible splay at the gate. Returned sprues and runners should be limited to 20–30 wt.% of the shot mass because carbon fibre attrition during regrinding shortens fibre length and disproportionately depresses notched impact.
Carbon fibre is brittle and thermally conductive; if introduced into the main feed throat of a twin-screw extruder, it passes through the entire solids-conveying and melting zone, where high shear and metal contact reduce fibre length. On a 40:1 L/D twin-screw line with a side-feeder located 8–12 D downstream of the feed throat, the PA11 matrix enters the side-feed zone in a fully molten state, which preserves a number-average fibre length near 180 µm. Hopper blending in the main feed can reduce that length below 120 µm and lowers weld strength at the same filler content.
Barrel temperature profile is typically 230–260 °C from feed to die, with melt temperature held below 270 °C to avoid thermal degradation of the amide linkage and carbon fibre sizing. Distributive mixing elements are used after side-feeding, but excessively aggressive kneading reduces fibre length. Screws and barrels converted from unfilled PA11 service to carbon-fibre service require hardened or bimetallic surfaces and inspection at intervals of 300–500 h because carbon fibre is abrasive; worn surfaces increase iron contamination and degrade melt stability.
The substitution is usually driven by lower density and lower moisture uptake rather than absolute dry stiffness. PA6-CF30 often exhibits higher dry tensile modulus and heat deflection temperature, but its properties are more moisture-sensitive. At equilibrium in 50 % RH air, the tensile modulus advantage of PA6-CF30 decreases from roughly 15–25 % in the dry state to 5–10 % in the conditioned state, depending on formulation. The density reduction of PA11-CF30 is approximately 6–9 % relative to PA6-CF30; specific stiffness therefore becomes competitive in mass-limited designs.
| Property | Test method | PA11-CF30 | PA12-CF30 | PA6-CF30 |
|---|---|---|---|---|
| Density at 23 °C | ISO 1183-1 | 1.15–1.19 g/cm³ | 1.11–1.15 g/cm³ | 1.24–1.28 g/cm³ |
| Tensile modulus | ISO 527-2 | 16–20 GPa | 14–18 GPa | 20–24 GPa |
| Tensile strength | ISO 527-2 | 170–210 MPa | 140–180 MPa | 210–260 MPa |
| Charpy notched impact at 23 °C | ISO 179-1/1eA | 8–12 kJ/m² | 9–13 kJ/m² | 6–10 kJ/m² |
| Heat deflection temperature at 1.8 MPa | ISO 75-2 | 165–175 °C | 150–165 °C | 195–210 °C |
| Equilibrium moisture at 23 °C, 50 % RH | ISO 62 | 1.6–2.0 % | 1.2–1.6 % | 2.6–3.1 % |
In fluid-handling and engine-adjacent components, PA11-CF30 is typically specified where low moisture uptake, dimensional stability, and aliphatic hydrocarbon resistance outweigh the higher material cost relative to glass-filled PA66. Candidate part geometries include sensor brackets, battery-module tie rods, pump wear rings, oil-cooler brackets, and static-dissipative housings for electronic control modules. Continuous exposure above 120 °C in air requires heat-aging validation because oxidative yellowing and tensile-strength retention are load-dependent. In impact-critical components, the weld line should be placed away from maximum principal stress; weld-line tensile strength retention in 30 wt.% carbon-fibre polyamides frequently falls to 50–65 % of the unwelded value, so flow pattern analysis and gate relocation are required before tooling release.
In oil and gas sealing and structural components, PA11-CF30 offers resistance to crude oil and produced water but is not a substitute for PEEK or PPS in high-temperature sour gas service above 140 °C. Published data for this specific configuration in sour gas mixtures is limited; qualification must include autoclave exposure to the actual H₂S partial pressure, brine composition, temperature cycling, and mechanical stress state.
Carbon fibre reduces volume resistivity from the insulating range of unfilled PA11 to a static-dissipative or conductive range. Surface resistivity under ASTM D257 is commonly reported between 10² Ω/sq and 10⁵ Ω/sq at 23 °C, depending on fibre dispersion and skin formation; the compound must not be specified as an electrical insulator. Tracking resistance under IEC 60112 is similarly reduced because carbon fibre provides a conductive path. Tribological performance against steel is typically characterised by a steady-state wear rate of 10⁻⁶–10⁻⁵ mm³/N·m under dry sliding at 1 MPa and 0.5 m/s in pin-on-disc testing to ASTM G99; carbon fibre lowers the coefficient of friction but increases counterface abrasion relative to unfilled PA11.
Regulatory status must be confirmed with the supplier’s safety data sheet. The PA11 base resin may fall under 21 CFR 177.1500 for certain food-contact uses, but the carbon fibre and sizing package are not automatically cleared; the filled compound should not be assumed food-contact compliant. RoHS 2011/65/EU and REACH SVHC obligations apply to the finished article, not only to the resin; carbon fibre may contain surface sizing agents that require SVHC disclosure if present above 0.1 wt.%. Incompatibility boundaries include strong oxidising acids, molten alkalis, and prolonged steam above 120 °C. The compound should not be combined with acidic processing aids or unneutralised flame retardants that can catalyse amide hydrolysis during melt processing.
For batch release, filler content is controlled by thermogravimetric analysis under nitrogen–air switching to 850 °C, and melt mass-flow rate is measured under ISO 1133-1 at 235 °C with a 5 kg load. Lot-to-lot variation in carbon fibre sizing can shift melt viscosity by 10–15 % at fixed temperature; moulding operations should monitor injection peak pressure rather than melt temperature alone. Published data for this specific BSR 30 PA11-CF30 configuration is limited; all application-critical values must be qualified on production-scale equipment with the actual lot of material.
