Applications of EMS-Grivory Grilamid® L 20 G PA12 in Industrial Manufacturing

EMS-Grivory Grilamid® L 20 G PA12 is an established high-performance polyamide, known for its outstanding chemical resistance, dimensional stability, and low water absorption. Its unique molecular structure has enabled direct adoption by downstream manufacturers in several demanding industrial fields where properties such as durability, precision, and safety compliance are critical to sustained end-product performance.

1. Automotive Fuel and Fluid Handling Systems

Automotive part suppliers utilize this grade to produce critical fuel system components requiring exceptional resistance to hydrocarbons and long-term reliability under thermal cycling. Its application in multilayer tubing and connector assemblies ensures safe operation within stringent emission regulations and prevents fuel permeation. Modifying the injection molding process settings and wall thickness allows manufacturers to meet OEM technical demands for each vehicle platform, supporting reliable, extended vehicle operation worldwide.

Industry compliance standards

• SAE J2260 (Nonmetallic Fuel System Tubing)
• US EPA 40 CFR Parts 86.1811-04 (Permeation Emission Standards)
• EU Regulation 715/2007 and amendments (Euro 5 & 6 Evaporative Emissions)
• OEM internal specifications (VW TL 52686, GM GMN 3949, etc.)

Typical usage ratio

• Base resin level: 95–100% in monolayer and multilayer tubing; use of additives (stabilizers, processing aids) at up to 5% depending on part geometry and exposure requirements.

Downstream process integration

• Enters directly into precision extrusion or injection molding lines following compounding; downstream integration often includes multilayer co-extrusion and automated dimensional quality controls for fuel lines, quick connectors, and vapor systems.

Final product types

• Fuel lines and vapor return tubes
• Urea delivery lines for SCR (Selective Catalytic Reduction) systems
• Quick connectors and under-bonnet fluid couplings
• Canisters and housings for in-tank fuel system assemblies

2. Industrial Pneumatic and Hydraulic Systems

Manufacturers of pneumatic and hydraulic equipment select this polyamide grade for manufacturing flexible tubing with high dimensional precision and consistent performance under high pressure cycles. Its resistance to hydraulic fluids, oils, and detergents makes it highly suitable for continuous-use applications in plant automation, robotics, and heavy equipment, where safety and leak-tightness are mandatory across varying ambient conditions.

Industry compliance standards

• ISO 7628 (Thermoplastic Tubing for Use in Motor Vehicle Air Brake Systems)
• EN 45545-2 (Fire Protection on Railway Vehicles - where flame retardant requirements apply)
• DIN 73378 (Plastic Tubing for Motor Vehicle Engineering)
• RoHS (Restriction of Hazardous Substances Directive)

Typical usage ratio

• Base resin applied at 98–100% for extrusion; plasticizer or impact modifier up to 2% by weight for enhanced flexibility, tuned according to required pressure rating and minimum bend radius.

Downstream process integration

• Directly fed into extrusion equipment for monowall or reinforced hose construction; post-extrusion calibration and hydrostatic testing integrated to verify burst and service pressures before final coiling or assembly.

Final product types

• Pneumatic control tubing
• Hydraulic return and control hoses
• Compressed air distribution lines
• Flexible conduits for robotic or automated machinery

3. Electronics and Electrical Cable Sheathing

Electrical insulation system producers rely on PA12 for jacketing low-voltage and signal cables that must withstand prolonged mechanical stress and environmental exposure without cracking or degradation. The grade’s low moisture uptake and high abrasion resistance reduce the incidence of signal interruption and insulation failure, a critical parameter in power management, data centers, and telecommunications infrastructure.

Industry compliance standards

• UL 94 V-2 (Flammability, for cable applications)
• IEC 60332-1 (Cable Flame Retardant Requirements)
• REACH Regulation (EC) No 1907/2006 compliance
• RoHS Directive (Restriction of Hazardous Substances)

Typical usage ratio

• Base compound: 95–100%, with flame retardant masterbatches at up to 5% for extruded sheathing in regulated applications (ratio tailored to pass vertical burn tests without impacting mechanical properties).

Downstream process integration

• Pelletized resin incorporated into continuous extrusion/jacketing lines; process includes pre-drying granules, fine temperature control during melt, and precision die sizing to achieve uniform insulation layer thickness specified by end-user quality protocols.

Final product types

• Signal and data cable jackets
• Low-voltage power cable sheaths
• Control and instrument wiring exterior layers
• Sheaths for fiber optic cable protection

4. Sports Equipment Components

Processors in the sports and leisure industry integrate this material for lightweight, fatigue-resistant equipment components such as bicycle parts or ski bindings. The polymer’s impact toughness at low temperatures and high ability to withstand cyclic bending makes it highly attractive for end users prioritizing mechanical reliability in challenging outdoor conditions. Injection molding of precision-fit geometries enables mass production with reduced post-processing.

Industry compliance standards

• ISO 4210 (Safety requirements for bicycles – Where applicable for structural plastic parts)
• REACH Regulation (EC) No 1907/2006 – Ensuring phthalate- and lead-free consumer products
• DIN EN 15194 (Electrically Power Assisted Cycles, for e-bike component parts)

Typical usage ratio

• Base material 100% for monocomponent structures; up to 20% glass fiber compounding, tailored for individual part stiffness requirements and mechanical performance targets.

Downstream process integration

• Enters high-pressure injection molding of functional or structural parts, often followed by automated trimming or finishing. Where reinforced, compounded PA12 resin is directly introduced at the dosing stage for consistent mechanical properties across large runs.

Final product types

• Bicycle brake and gear cable housings
• Ski boot shells and binding cartridges
• Protective inserts and impact guards for helmets and pads
• Precision gears, joints, and clips for sports apparatus assemblies

5. Medical Device Tubing and Accessories

The medical manufacturing sector chooses this polyamide for single-use and reusable device tubing where chemical inertness, dimensional precision, and low extractables are essential. Its compliance with biocompatibility and sterilization protocols allows it to enter production lines for patient-contact products, supporting high-yield, cleanroom-based manufacturing with strong batch-to-batch consistency.

Industry compliance standards

• ISO 10993 (Biological Evaluation of Medical Devices)
• USP Class VI (Plastics – Biological Tests)
• ISO 80369 (Small-bore Connectors for Liquids and Gases in Healthcare)
• FDA 21 CFR 177.1500 (Polyamides for Food Contact, relevant for drug delivery devices)

Typical usage ratio

• Pure base resin at 95–100% in medical extrusion lines; colorant masterbatches or radiopaque additives up to 5% for clinical device requirements in compliance with extractables/leachables specifications.

Downstream process integration

• Used as direct input for precision extrusion; post-extrusion or injection-molded segments undergo validated sterilization methods (such as EtO or gamma), lot tracking, and packaging in cleanrooms to ensure regulatory conformity up to sterilization validation reports.

Final product types

• Catheter tubes for intravenous or drainage purpose
• Surgical instrument sleeves and sheaths
• Breathing circuit connectors and device fittings
• Manifold housings and drug delivery adaptors

6. Oil and Gas Downhole and Subsea Components

Specialist component manufacturers in the oil and gas sector process this polyamide into protective conduits and housings for use in highly aggressive environments, including subsea umbilical systems and downhole tool assemblies. The resin’s long-term resistance to hydrocarbons, seawater, and elevated temperatures minimizes the risk of chemical attack, contributing directly to equipment uptime and field safety compliance.

Industry compliance standards

• API 17F (Subsea Production Systems – Control Systems)
• NORSOK M-710 (Qualification of Non-Metallic Sealing Materials and Manufacturers)
• DNVGL-ST-F119 (Thermoplastic Composite Pipe Systems for Offshore)
• ISO 13628-5 (Subsea Umbilicals)

Typical usage ratio

• Base polymer at 100% for monolayer extrusion; for reinforced pipes, glass bead or other fillers may be blended up to 15% for specified strength requirements, subject to qualification by user’s FEA simulation and environmental stress testing.

Downstream process integration

• Directly introduced to high-pressure extrusion or injection molding units for continuous pipe, sleeve, or insert manufacturing; post-process validation involves hydrocarbon soak tests, mechanical fatigue trials, and full dimensional inspection by non-contact measurement.

Final product types

• Subsea umbilical conduits and outer sheaths
• Downhole cable protection tubing
• Protective pipe liners for chemical injection and hydraulic control lines
• Sealing inserts for well completion packers and valves