Applications of EMS-Grivory Grilamid® L 20 nat Nylon 12, Dry in Industrial Manufacturing

EMS-Grivory Grilamid® L 20 nat Nylon 12, Dry delivers proven performance in key sectors requiring engineered thermoplastics with superior chemical resistance, dimensional stability, and long-term fatigue properties. Our production and process engineers ensure reliable sourcing, batch consistency, and compliance for technical manufacturers across various industries. Below, we detail core downstream applications where this material supports critical industrial requirements.

1. Automotive Fuel and Vapor Line Systems

Automotive component producers select this PA12 for manufacturing multi-layer tubing and connectors used in fuel lines, vapor return lines, and AdBlue/DEF delivery circuits in both ICE and hybrid vehicles. The polymer’s high resistance to hydrocarbons, zinc chloride, and stress cracking ensures suitability for demanding under-the-hood assemblies. Manufacturers integrate the resin through precision extrusion technologies, maintaining strict dimensional tolerances according to global carmaker specifications. Pre-conditioned granulate helps prevent moisture influence during processing, supporting stable weld strength and pressure-cycle life.

Industry compliance standards

• ISO 7628 (Road vehicles — Polyamide tubing for air braking systems)
• SAE J2260 (Non-metallic fuel system tubing with one or more layers)
• OEM specifications (e.g. VW TL 828, GM GMW15449)
• REACH and RoHS directives for automotive

Typical usage ratio

• Pure PA12 or layered (50–100% in monolayer, 25–60% in coextruded multilayer tubes depending on permeation targets and mechanical strength)

Downstream process integration

• Direct feeding to single or multilayer extrusion lines
• Dry blend with stabilizers and impact modifiers for enhanced low-temperature impact
• Secondary laser or ultrasonic welding for fittings
• Overmolding of integrated quick connectors

Final product types

• Fuel pipe assemblies (gasoline, diesel, ethanol blends)
• SCR AdBlue lines
• Vapor recovery and vent tubes
• Motor compartment fluid conduits

2. Pneumatic and Hydraulic Control Tubing

Pneumatic automation system OEMs use this PA12 to manufacture tubing for compressed air and hydraulic fluid delivery within industrial robots, machinery, and commercial vehicles. As a manufacturer, we control molecular weight and moisture content to support high extrusion speeds and tight wall thickness control. The stable polymer structure resists plasticizer extraction and pressure-induced deformation, securing system reliability over extended service periods. Color masterbatch addition occurs inline for safety or identification coding.

Industry compliance standards

• DIN 74324 (Polyamide tubing for pneumatic braking systems in road vehicles)
• ISO 19880-3 (Gaseous hydrogen — Land vehicle tubes)
• EU Machinery Directive 2006/42/EC
• EN 45545 (Fire standard for railway applications, if compounded appropriately)

Typical usage ratio

• Single polymer systems: 90–100% PA12, small content of processing aids or pigments as needed

Downstream process integration

• Precision extrusion directly from supplied pellet, following inline drying (80°C, -40°C dew point)
• Automated cut-to-length and coil packaging
• Hot stamping or laser marking for traceability
• Incorporation into quick-fit manifold assemblies

Final product types

• Pneumatic actuator lines (industrial and vehicle use)
• Hydraulic return or pilot lines
• Compressed air distribution systems
• Flexible cabling conduits in automation cells

3. Sports Equipment and Medical Device Housings

Producers in the sports technology and medical device sectors value this PA12 for its biocompatibility profile, weatherability, and lightweight design. Molders utilize the resin to form housings and structural components for high-end sports goggles, orthopedic braces, and various monitoring devices. The polymer supports thin-wall injection molding with strong weld-line integrity. Our tight pellet quality screening reduces the risk of foreign particulates, aligning with medical molding standards.

Industry compliance standards

• ISO 10993-5, -10 (Biological evaluation of medical devices)
• USP Class VI (Plastic material testing for medical use)
• EN 71-3 (Migration of certain elements for sports and leisure goods)
• FDA 21 CFR 177.1500 (for limited medical and food-contact applications, subject to operator’s process control)

Typical usage ratio

• Pure PA12 or up to 95% with up to 5% medical-grade colorant/impact modifier blend

Downstream process integration

• Direct injection molding after pellet drying (70–80°C, 6–8h)
• High-precision cavity-fit for tight-tolerance parts
• Post-molding steam or gamma sterilization (as verified by device OEM)
• Final inspection under cleanroom or controlled area standards

Final product types

• Protective sports eyewear frames and visors
• Medical wearable device enclosures
• Orthopedic support structures
• Functional prototypes for toxicology/drug exposure testing

4. 3D Printing Filaments for Industrial Prototyping

Large-scale 3D printing bureaus and in-house R&D labs extrude this PA12 into technical filaments suited for FDM and SLS processes. The material’s controlled moisture pick-up and flow stability ensure consistent strand diameters and enable batch-to-batch printability for production jigs, fixtures, and series part runs. Our factory drying and sieving stages maintain reproducible melt flow and contaminant-free pellets for high-yield conversion.

Industry compliance standards

• ASTM F3091 (Additive manufacturing — Polyamide materials)
• UL 94 HB (Horizontal burning test for printed plastics)
• REACH Annex XVII (restrictions on additives and monomers)
• RoHS Directive 2011/65/EU for low halogen content, electronics-use compatibility

Typical usage ratio

• Filament production: 100% PA12 base, blend ratio adjustable with 0–10% flexibility modifier for SLS or specific FDM requirements

Downstream process integration

• Premelt and precision extrusion into filament (1.75 mm / 2.85 mm)
• Laser diameter and ovality monitoring inline
• Direct winding onto spools in controlled low-humidity rooms
• SLS powder preparation by cryogenic milling and sieving

Final product types

• FDM filaments for functional industrial prototyping
• SLS powders for manufacturing end-use jigs and fixtures
• Custom automotive, aerospace, and electronics housings (batch or serial production)
• Print-on-demand spares and assembly aids

5. Electrical Cable Jacketing and Connectors

Cable manufacturers prefer this technical PA12 for insulation and jacketing of specialty control, signal, and sensor cables in automotive, automation, and telecom installations. The resin's flexibility and resistance to oils, fuels, and micro-cracking are critical in underhood automotive harnesses and industrial robot cabling. Our quality management assures thermal and electrical testing of every production lot to maintain customer performance specifications.

Industry compliance standards

• UL 62/UL 758 (Flexible cords and appliance wiring material)
• VDE 0282 (Cables, wires and flexible cords for electrical purposes)
• IEC 60227-1 (Polyvinyl chloride insulated cables — reference for plasticizers in compound blends)
• RoHS and REACH for restricted substance compliance

Typical usage ratio

• Pure PA12 or blended at up to 80% with flame retardant or UV-stabilizing masterbatches (by cable end-use type and rating)

Downstream process integration

• Feed to crosshead extrusion lines for cable jacketing
• Inline drying for moisture control (residual water <0.08%)
• Extruded or injection-molded overmolded connectors after conductor stranding
• Continuous testing for elongation, tensile, and dielectric strength

Final product types

• Sensor and control cable jackets (industrial/automotive)
• Data and signal transmission cable sheaths
• Overmolded electrical plug and socket housings
• Robot arm and drag chain cables (oil- and flex-resistant types)

6. Flexible Packaging and Barrier Film Layers

Producers of industrial packaging films utilize this PA12 as an inner or tie layer in multilayer coextruded barrier films, delivering resistance to aggressive chemicals, oxygen, and moisture permeability. Ethylene-vinyl alcohol or polyolefin substrates bond efficiently via coextrusion with this resin, enabling specialty packaging for agrochemicals, lubricants, and food flavorings. We provide consistent granulate for optical clarity and gauge uniformity.

Industry compliance standards

• EU Regulation (EU) No 10/2011 (Plastic materials and articles intended for food contact)
• FDA 21 CFR 177.1500 (Nylon resins for food packaging, specific migration limits required)
• GMP Regulation (EC) No 2023/2006 (Good Manufacturing Practice for packaging materials)
• BfR Recommendations (XXI/Polyamide, Germany)

Typical usage ratio

• Active PA12 content in finished film structures typically 5–20% of total multilayer film thickness, tuned according to required chemical resistance and mechanical performance

Downstream process integration

• Film coextrusion as core, tie, or surface layer
• Pellet pre-drying (80°C, 6h) to minimize water-related haze or bubbles
• Lamination or heat sealing in pouch or drum liner conversion
• Die-cutting and printing for final packaging

Final product types

• Flexible chemical pouches (agrochemical, automotive fluids)
• Edible oil bag-in-box barrier films
• Pharmaceutical and food-contact drum liners
• Laminate tear tapes and valve pouches