Applications of EMS-Grivory Grilamid® L 20A HL NZ nat PA12 in Industrial Manufacturing

EMS-Grivory Grilamid® L 20A HL NZ nat PA12 serves as an advanced polyamide raw material in demanding industrial sectors. Its chemical resistance, flexibility, and processing stability drive adoption in technical components, automotive systems, electronics, and medical device manufacturing, in line with strict industry benchmarks and real production workflows.

1. Automotive Brake and Fuel Line Tubing

Polyamide 12 provides proven hydrolysis resistance and dimensional accuracy in multilayer brake and fuel lines. Tier 1 automotive suppliers compound this resin in accordance with OEM validation protocols for tube extrusion, ensuring long-term service under aggressive fuels and heat cycling. EMS-Grivory’s grade resists zinc chloride and fuels with ethanol content, supporting the trend toward lightweight plastic alternatives over metal while enabling complex cross-sectional profiles in line assembly applications.

Industry compliance standards

• ISO 7628 (Road Vehicles: Brake and Fuel Line Tubing)
• SAE J2260 (Non-metallic Fuel System Tubing)
• DIN 73378 (Polyamide Tubing for Vehicle Use)
• REACh, RoHS material declarations

Typical usage ratio

• 90-100% Grilamid® L 20A HL NZ nat PA12 for main tubing layer
• 0-10% modified with impact modifiers or pigments per OEM specification

Downstream process integration

• Direct feeding and melting in twin-screw extruders for tube manufacturing
• Co-extrusion with tie-layers or EVOH barriers for multilayer fuel lines
• Laser or hot plate welding for assembly into complete fluid transfer systems

Final product types

• Automotive fuel supply lines
• Brake fluid tubing
• Urea (AdBlue) dosing lines for SCR aftertreatment
• Hybrid hydraulic system tubing

2. Electrical & Electronic Wire and Cable Sheathing

Polyamide 12 offers outstanding dielectric properties and flame resistance, making it a preferred material for industrial and automotive wire coverings. EMS-Grivory’s high-lubricity formulation allows easy cable pull-through and jacket integrity during and after installation. Cable manufacturers value its resistance to chemicals, mechanical abrasion, and external environmental stress, ensuring long service life in harsh settings, including EV battery systems, railway installations, and sensor wiring assemblies.

Industry compliance standards

• UL 1581 (Standard for Electrical Wires, Cables, Cordsets)
• EN 50290-2-27 (Materials for Communications Cable Insulation and Sheathing)
• IEC 60245-3 (Rubber or Thermoplastic Insulated Cables up to 450/750 V)
• CSA C22.2 No. 210 (Appliance Wiring Material Products)

Typical usage ratio

• 70-100% Grilamid® L 20A HL NZ nat PA12 as the base sheathing compound
• Up to 5% flame retardants or UV stabilizers for specialty outdoor applications

Downstream process integration

• Feeds directly into single or multi-layer wire jacketing extrusion lines
• Compatible with striping, co-extrusion of fillers, and core wires as per design
• Handles post-extrusion cross-linking or irradiation where specified

Final product types

• Automotive primary wires and harnesses
• Control and data cables for plant automation
• Sensor and actuator cable assemblies
• EV battery cable insulation

3. Pneumatic and Hydraulic Tubing for Industrial Automation

Industrial OEMs rely on precision polymer tubing for air, fluid, and hydraulic applications in manufacturing and robotics. PA12 ensures stable dimensions and flexibility, even under continuous pressure cycling. EMS-Grivory’s selected molecular weight and additive system provide highly consistent extrusion quality for tubing and spiral hoses that maintain their properties under lubricated and dry compressed air exposures in assembly lines or food processing environments.

Industry compliance standards

• ISO 8573 (Compressed Air Purity Classes)
• DIN 74324 (Polyamide Tubes for Pneumatic Equipment)
• FDA CFR 21 §177.1500 (Polymers for Food Contact if required)
• Machinery Directive 2006/42/EC (if equipment-integrated)

Typical usage ratio

• 95-100% Grilamid® L 20A HL NZ nat PA12 for pneumatic tubing
• Up to 5% colorants or UV stabilizers for marking and outdoor use

Downstream process integration

• Feeds into high-speed continuous tube extrusion lines with water bath calibration
• Thermoformed post-extrusion for spiral or coiled tubes
• Cuts and prints to length for pneumatic circuit assemblies

Final product types

• Flexible air and fluid delivery tubes
• Hydraulic impulse lines in automation
• Robot end-effector pneumatic hoses
• Coiled maintenance hoses for assembly tools

4. Precision Injection-Molded Parts for Medical Devices

Medical device OEMs use PA12 for its biocompatibility profile and sterilization resistance. The grade’s low extractables, purity control, and formulation traceability support use in applications like catheter connectors and surgical instrument handles. EMS-Grivory batches comply with specific medical-grade testing, ensuring reliable performance in clinical environments. The polyamide processes well in precision molding for thin-walled, complex geometries that must withstand autoclave or gamma irradiation cycles.

Industry compliance standards

• ISO 10993-5/10 (Biocompatibility testing)
• USP Class VI plastic material requirements
• FDA 21 CFR §820 (Quality System Regulation)
• ISO 13485 (Medical Devices QMS)

Typical usage ratio

• 95-100% Grilamid® L 20A HL NZ nat PA12 for molding compounds
• Up to 3% functional additives (colorants, radiopacifiers) when permitted by risk analysis

Downstream process integration

• Pneumatically conveyed and dried before direct hopper feeding to medical injection presses
• Molded under validated conditions with limited residence time per ISO 13485 work instructions
• Parts undergo post-molding sterilization and packaging in controlled environments

Final product types

• Catheter tips and connectors
• Drug delivery pump housings
• Reusable endoscope handles
• Dental impression trays

5. Additive Manufacturing Filaments for 3D Printing

EMS-Grivory PA12 powders and pellets provide consistent melt flow and interlayer adhesion for extrusion-based 3D printing. Industrial customers employ this material to produce functional prototypes and end-use components requiring impact resistance and chemical stability. Controlled particle size distribution and low moisture absorption minimize dimensional warping—critical for automotive, aerospace, and custom manufacturing fields. Qualified material supports powder-bed fusion and fused filament fabrication processes where regulatory traceability and mechanical performance are essential.

Industry compliance standards

• EN ISO 17296-2 (Additive Manufacturing: Test methods and applications)
• ASTM F3091 (Requirements for Powder Bed Fusion)
• OEM process validation protocols for automotive and aerospace
• REACH and RoHS material safety compliance

Typical usage ratio

• 100% Grilamid® L 20A HL NZ nat PA12 for single-polymer parts
• May blend up to 10% specialty impact modifiers for shock-loaded parts based on customer DFM

Downstream process integration

• Powder sieving and humidity control before powder-bed fusion printing
• Pultrusion or compounding for customized filament extrusion
• Direct digital-to-physical part production, followed by surface finishing as needed

Final product types

• Industrial jigs and fixtures
• Customized housings for sensors or actuators
• End-use low-volume spare parts
• Functional validation prototypes for automotive design