Applications of Arkema Rilsamid® AESN BLACK P110 TL PA12-I in Industrial Manufacturing

Arkema Rilsamid® AESN BLACK P110 TL PA12-I finds precise and expanding use across multiple downstream sectors. We support processors and OEMs by supplying PA12-I that meets exacting industrial requirements in demanding environments, enabling specific functions where chemical resistance, dimensional stability, and mechanical integrity must be maintained. Below are key application areas with regulatory and technical context.

1. Automotive Fuel Line and Vapor Tube Systems

Automotive manufacturers require long-life tubing materials that deliver resistance to fuels, heat, and abrasion in complex assemblies. PA12-I black grades support safe conveyance of diesel, gasoline, biodiesel blends, and vapors thanks to the resin’s controlled crystallinity and carbon black loading, ensuring UV stability and low permeation. Tier-1 system suppliers compound the grade with functional additives and process via extrusion or co-extrusion for multilayer performance under stringent OEM durability validation.

Industry compliance standards

• SAE J2260 (Nonmetallic Fuel System Tubing with One or More Layers)
• ISO 7628 (Road Vehicles – Thermoplastic Tubing for Use in Airbrake Systems)
• EU Regulation No 118 (Flame Retardant Material for Vehicles)
• OEM-specific material and chemical resistance lists (e.g., VW TL 52690, GMN 10034)

Typical usage ratio

• PA12-I base polymer comprises 65–100% of the inner and outer layers depending on requested permeation levels; co-extruded polyolefin or EVOH may be present in multilayer applications to enhance barrier function.

Downstream process integration

• Integrated by Tier-1 automotive suppliers during high-speed tubing extrusion. Granules fed directly to extruder hoppers; process conditions optimized for melt temperature (220–240°C) and mono/co-extrusion head design. Post-extrusion, laser marking, cutting, and assembly into formed lines.

Final product types

• Flexible fuel delivery tubes
• Vapor return lines
• Diesel and gasoline fill pipes
• AdBlue/DEF lines for SCR systems

2. Electrical and Electronic Wire & Cable Sheathing

Cable manufacturers select PA12-I black to realize stable, thin-wall jacketing that resists UV and aggressive chemicals in outdoor or under-hood applications. The grade is compounded with toughening agents and process stabilizers for extended dielectric strength and surface quality. Cable extrusion operates under precise thermal and line-speed control to attain dimensional accuracy and highly reliable insulation.

Industry compliance standards

• UL 1581 (Reference Standard for Electrical Wires, Cables, and Flexible Cords)
• IEC 60811 (Electrical and Optical Fibre Cables – Test Methods for Materials)
• RoHS Directive (2011/65/EU) for restricted substances
• DIN EN 50290-2-22 for cable mechanical and chemical requirements

Typical usage ratio

• 85–100% PA12-I based on cable architecture; plasticizers added at 0–5% for enhanced flexibility depending on voltage class and installation environment.

Downstream process integration

• Wire coating performed using continuous extrusion. Granules fill single screw extruder with metered temperature zones. The sheath forms directly onto stranded copper or aluminum conductors; crosslinking or irradiation added for certain fire safety grades.

Final product types

• Automotive sensor harnesses
• Photovoltaic (PV) system cables
• Telecom outdoor signal cables
• Control and instrumentation cables for industrial automation

3. Additive Manufacturing for Aerospace & Industrial Parts

AM service bureaus and OEMs use PA12-I black powder for powder bed fusion (SLS or HSS) to build mechanically loaded aerospace brackets, UAV components, and functional prototypes. The material's narrow molecular weight distribution and controlled pigment dispersion ensure part isotropy, reduced warping, and color uniformity. Post-processing includes depowdering, shot peening, and sealing.

Industry compliance standards

• AMS 7102 (Polyamide 12 Powder for Additive Manufacturing)
• EN 9100 (Aerospace Quality Management System)
• REACH (EC 1907/2006) registration for powder safety and traceability
• OEM qualification protocols (e.g., Airbus AIPS, Boeing BAC 5578)

Typical usage ratio

• 100% PA12-I used as single material for powder bed fusion. Virgin/recycled powder ratio set 70:30 to 50:50 after each build; ratio adjusted considering surface finish and mechanical retention.

Downstream process integration

• Powder supplied in sealed drums to SLS machine feed hoppers. Parts manufactured layer-by-layer under laser sintering; material parameters tuned (laser power, powder bed temp 170–175°C). Post-processing flow includes depowdering via vacuum, shot peening for strength, and optional impregnation for porosity sealing.

Final product types

• Aircraft cabin interior bracketry
• UAV and drone housings
• Complex industrial manifolds
• Jigs and fixtures for aerospace production

4. Hydraulic and Pneumatic System Components

Producers of hydraulic and pneumatic actuators specify this PA12-I for injection-molded fittings, hoses, and accumulator shells where resistance to synthetic fluids and continuous pressure cycling is essential. Controlled carbon black integration provides dimensional stability and resistance to pressure-induced microcracking, important for system reliability and longevity in harsh plant conditions.

Industry compliance standards

• ISO 19879 (Metallic Tube Connections for Fluid Power and General Use)
• SAE J343 (Test and Test Procedures for SAE 100R Series Hydraulic Hose Measured per SAE J517)
• DIN EN ISO 4413 (Hydraulic Fluid Power – General Rules and Safety Requirements)
• RoHS 3 (2015/863/EU) substances and material limitations

Typical usage ratio

• 85–98% PA12-I for primary molded bodies; functional fillers or impact modifiers up to 10% as required for special pressure cycling needs.

Downstream process integration

• Material introduced directly into injection molding machines producing seamless bodies, quick-connect fittings, or precision housings. Process parameters—melt temperature 210–240°C; high holding pressure to minimize voids, and pressure-specific shrinkage correction.

Final product types

• Pneumatic tube connectors
• Molded accumulator housings
• Hydraulic circuit tees and elbows
• Piping for factory fluid transfer

5. Drinking Water and Food Contact Tubing

Manufacturers of flexible pipes for potable water employ black grades of PA12-I in multilayer constructions, combining chemical purity with UV resistance for both in-wall and outdoor installations. FDA, EU, and WRAS approvals validate migration and extractables. The resin resists chlorine-based disinfectants and supports safe, taste-neutral water delivery over long service life.

Industry compliance standards

• EU Regulation 10/2011 (Plastics for Food Contact)
• NSF/ANSI 61 (Drinking Water System Components – Health Effects)
• KTW Guideline and W270 (Germany, drinking water hygiene)
• FDA 21 CFR 177.1500 (Polyamides for Food Contact Use)

Typical usage ratio

• 95–100% PA12-I for single-layer applications; in multilayer, as the outer black layer at 40–70% of composite wall to ensure UV shielding, with co-extruded functional barrier layers (e.g., modified PE-X or EVOH for migration control).

Downstream process integration

• Material delivered as dry granulate to extrusion lines for pipe production. Melt filters applied upstream of die for smooth finish. Post-extrusion, pipes are cooled, ink-marked, and batch tested for extractables. Long-term hydrostatic test carried out to certify pressure performance.

Final product types

• Flexible drinking water installation pipes
• Under-sink food-grade tubes
• Outdoor irrigation riser pipes (food or beverage farm supply)
• Hygiene-critical beverage dispenser lines

6. Oil & Gas Downhole Control Line Protection

Service companies and original equipment suppliers in oil & gas select PA12-I black for jacketing hydraulic and chemical injection control lines. The polymer’s resistance to hydrocarbons, saltwater, and high-pressure cycling prevents jacket cracking and migration of well fluids. Jacket applications occur in both clamped and free-hanging control line bundles, requiring precise OD/ID tolerance and abrasion resistance in harsh downhole conditions.

Industry compliance standards

• API 17J (Specification for Unbonded Flexible Pipe)
• ISO 13628-5 (Petroleum and Natural Gas Industries – Subsea Umbilicals)
• NORSOK M-710 (Qualification of Non-metallic Sealing Materials)
• REACH registration for environmental and transport chemical safety

Typical usage ratio

• PA12-I constitutes the sole external jacket in 90–100% of finished diameter; metal core or composite core lines encased within depending on hydraulic or chemical payload type.

Downstream process integration

• Material extruded onto preformed control line bundles via heavy-duty extrusion lines. Continuous OD inspection for jacket wall uniformity and adapted cooling to minimize residual stress. Finished lines spooled, pressure-tested, and cut to required well depth specifications.

Final product types

• Downhole hydraulic control lines
• Chemical injection umbilicals for subsea wells
• Casing and wellhead protector tubes
• Control line armor jackets for offshore production