Applications of EMS-Grivory Grilamid® L 16 nat Nylon 12, Conditioned in Industrial Manufacturing

As a dedicated polymer manufacturer, we supply EMS-Grivory Grilamid® L 16 nat Nylon 12, conditioned, to critical industrial sectors requiring high-performance polyamides. Downstream OEMs rely on this material for its chemical resistance, dimensional stability, and low water absorption, which enable engineering solutions in regulated markets. Below are key application scenarios reflecting real industrial uses, precise compliance boundaries, and integration points in customer production lines.

1. Automotive Fuel and Air System Components

OEMs specify conditioned Nylon 12 for automotive fuel lines, vapor recovery systems, and air brake tubing due to its hydrocarbon resistance and stable mechanical behavior across temperature variations. Formulators select the grade to deliver reliably tight dimensional tolerance, pressure ratings, and compliance with international safety standards in critical under-the-hood and chassis applications.

Industry compliance standards

• SAE J2260 (Non-metallic Fuel System Tubing)
• ISO 7628 (Road Vehicles – Non-metallic Tubes for Air Brake Systems)
• FMVSS 301 (Fuel System Integrity)
• REACH / RoHS (EU chemical safety regulations)

Typical usage ratio

• 90%–100% neat resin for standard tubing extrusion
• Ratio adjusted with <2% color masterbatch or up to 10% impact modifier for flex-fatigue critical parts

Downstream process integration

• Direct extrusion for monolayer, co-extrusion with EVOH for multi-layer fuel lines
• Injection molding for adapters, connectors, and quick-couplers

Final product types

• Automotive fuel hoses
• SCR (Selective Catalytic Reduction) urea lines
• Air brake tubing (commercial vehicles)
• Inline quick connectors

2. Industrial Pneumatic and Hydraulic Tubing

Nylon 12, conditioned, provides reliable pressure resistance and flexibility for pneumatic and hydraulic tube manufacturers. Its use is essential where durable performance under dynamic flex cycles is non-negotiable, including automation lines, pneumatic networks, and miniaturized hydraulic systems.

Industry compliance standards

• ISO 14743 (Pneumatic Fluid Power – Push-in Connectors)
• DIN 74324 (Tubing for Air-Pressure Braking Systems)
• EN 61386-1 (Conduit Systems – Mechanical Properties)
• RoHS Directive (EU 2011/65/EU)

Typical usage ratio

• 95%–100% unblended for transparent tubing
• Up to 15% plasticizer/polyamide copolymer for extra flexibility in movable installations

Downstream process integration

• Continuous extrusion and in-line dimensional calibration
• Co-extrusion with soft-touch layers for push-fit sealed systems

Final product types

• Pneumatic actuator lines
• Hydraulic microtubing for robotics
• Compressed air network hoses
• Conduit ducts for automation wiring

3. Medical Device Assembly Components

Many Class I and II medical device manufacturers select Nylon 12 for use in assembly housings, catheter extrusion, and connector bodies, driven by its biocompatibility profile and resistance to alcohols and disinfectants. Processers leverage the conditioned grade to maintain tight tolerances and low extractables in critical patient-care applications.

Industry compliance standards

• ISO 10993-1 (Biological Evaluation of Medical Devices)
• USP Class VI Plastics for Medical Use
• FDA 21 CFR 177.1500 (Polymers for Food Contact / Medical Use)
• ISO 13485:2016 (Quality Management for Medical Devices)

Typical usage ratio

• 98%–100% pure polymer for extrusion/injection molding
• Adjusted with 1%–2% medical pigment masterbatch for coded parts

Downstream process integration

• Precision micro-extrusion for catheters and IV lines
• Injection molding for threaded connectors, luer locks, and pump hardware housings

Final product types

• Infusion catheter tubing
• Luer lock connectors
• Syringe plungers
• Laboratory microfluidic cartridges

4. Electrical Cable Sheathing and Fiber Optic Protection

Telecommunications and high-voltage cable producers employ Nylon 12 for protective sheaths and fiber optic buffer tubes, capitalizing on its ability to resist stress cracking and chemical exposure in buried and outdoor installations. The material’s low dielectric constant also supports reliable signal transmission in data cables.

Industry compliance standards

• UL 1581 (Reference Standard for Electrical Wires, Cables, and Flexible Cords)
• IEC 60794 (Optical Fibre Cable Test Methods)
• RoHS / REACH
• EN 50290-2-22 (General Cable Construction – Polyamide Sheaths)

Typical usage ratio

• 96%–100% neat or filled for primary sheathing
• Up to 10% flame retardant additive for certified LSZH (Low Smoke Zero Halogen) cable series

Downstream process integration

• Crosshead extrusion for applying sheath over conductors or buffer tubes
• Co-extrusion with HDPE/PE for layered telecommunication cables

Final product types

• Fiber optic cable buffer tubes
• Ethernet cable jackets (industrial and outdoor)
• High-voltage wire sheaths
• Railway signaling cables

5. Oil & Gas Pipeline Liners and Fittings

Manufacturers of oilfield tools and pipeline equipment rely on Nylon 12’s hydrolysis resistance and barrier properties in downhole liners and flexible pipe joints. The polymer maintains mechanical reliability when exposed to crude oil, natural gas, and typical drilling fluids, supporting longer service intervals between scheduled maintenance.

Industry compliance standards

• API 17J (Specification for Unbonded Flexible Pipe)
• DNV-ST-F119 (Thermoplastic Composite Pipes)
• NACE MR0175/ISO 15156 (Sulfide Stress Cracking Materials in Oilfield Environments)
• REACH chemical compliance for offshore equipment

Typical usage ratio

• 100% pure Nylon 12 for monolayer liners
• Co-extruded up to 80% of wall thickness in hybrid pipelines

Downstream process integration

• Pressure pipe extrusion for umbilical and riser systems
• Thermal shaping for pipe liner preforms and press-fits

Final product types

• Flexible riser inner liners
• Oilwell protective cable covers
• Pipe coupling inserts
• Corrosive fluid transfer tubing