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

As a proprietary manufacturer of high-performance polyamide 12 materials, we supply EMS-Grivory Grilamid® L 20 G HL PA12 to advanced process sectors that require dimensional stability, hydrolysis resistance, and durability under harsh conditions. Below are key industrial application channels, including compliance, formulation, production stages, and finished product examples based on real end-user requirements.

1. Automotive Brake and Fuel Line Assemblies

OEMs and tier suppliers in the automotive sector utilize our PA12 formulation for manufacturing pressurized fluid transport lines, particularly for brake, fuel, and hydraulic systems. Its high impact resistance, resistance to hydrocarbons, and long-term flexibility ensure reliability across service intervals. Processing typically occurs through multi-layer extrusion or over-molding with specialized flanges and connectors, meeting stringent regulatory compliance throughout the value chain.

Industry compliance standards

• SAE J2260 (Nonmetallic Fuel System Tubing)
• FMVSS 106 (Brake Hoses - DOT Regulations)
• ISO 7628 (Road Vehicles — Non-metallic Fuel Lines)
• TS 16949 Quality Management for Automotive Production

Typical usage ratio

• Used as the main resin for single-wall and co-extruded multilayer tubing: 75–100% of total polymer mass for inner/outer layers depending on chemical exposure grade, with adjustments for barrier resins when required by evaporative emissions regulation.

Downstream process integration

• Tubing extrusion and co-extrusion with EVOH or HDPE barrier layers
• Automated ultrasonic welding to injection-molded connectors
• Thermoforming for complex 3D routed assemblies
• Laser marking for traceability in OEM assembly

Final product types

• Brake fluid lines (ABS/ESP system tubes)
• High-pressure fuel lines (gasoline, diesel, biodiesel)
• Emission-control vapor lines
• Hydraulic clutch and steering lines

2. Pneumatic Control and Air System Tubing

The industrial automation sector and specialized pneumatic equipment manufacturers incorporate this grade of PA12 into air control tubing systems, owing to its low moisture uptake and gas permeability. In scenarios demanding resistance to lubricants or cleaning agents, machine builders rely on compliance-certified PA12 to achieve robust operational lifespans. Production involves extrusion and precision cutting, with downstream assembly requiring tight dimension control for fully automated installations.

Industry compliance standards

• ISO 8573 (Compressed Air Quality)
• EN 45545-2 (Railway Fire Safety – where relevant)
• RoHS and REACH for material safety in EU engineering markets
• UL 94 HB (Flammability for tubing applications)

Typical usage ratio

• PA12 content: 95–100% for main tubing extrusion, with color masterbatch at 0.5–3% as needed for identification coding or UV stabilization.

Downstream process integration

• Tubing extrusion with in-line size and ovality gauges
• Precision calibration (sizing mandrels, vacuum water bath)
• Laser or inkjet printing for part number/traceability
• Batch testing for burst pressure and flexibility

Final product types

• Pneumatic control lines (for industrial robots and actuators)
• Pilot air supply lines in process automation
• Compressed air distribution in assembly plants
• Train and tram air brake system tubing

3. Fiber Optic Cable Jacketing and Crush-Resistant Sheathing

Telecommunication cable manufacturers employ our high-lubricity, high-flex PA12 grade for insulating and protection layers in fiber optic and specialty signal cables. Its consistent melt behavior and hydrolysis resistance enable precision crosshead extrusion around delicate glass fibers, used in both buried and aerial telecom infrastructure. The resin interacts compatibly with common crosslinking agents and jacketing color additives.

Industry compliance standards

• IEC 60794 (Optical Fibre Cable Standard)
• RoHS & REACH (Hazardous Substances Management)
• GR-20-CORE (Telcordia Generic Requirements for Outdoor Fiber Cable)
• ISO 9001 Quality Management (Telecom Product Manufacturing)

Typical usage ratio

• Used as the primary outer jacket at 100% resin for thin-walled or micro-duct cables; reduced to 50–80% for blends with UV-resistant or flame-retardant masterbatches where outdoor and flame classifications are required.

Downstream process integration

• Tandem and crosshead extrusion over buffered fiber bundles
• Color-striping and laser etching for identification
• Precision diameter control for micro-duct systems
• Post-extrusion curing and cold temperature flexibility testing

Final product types

• Outdoor fiber optic cable jackets
• Micro-duct fiber protection tubes
• Cable sheathing for tactical deployable signal lines
• Aerial-compliant communication cable jackets

4. Fluid-Handling Components in Beverage Dispensing Equipment

Manufacturers in the foodservice equipment sector specify this PA12 grade for beverage and water dispensing system components that demand low extractables and odor neutrality. Its hydrolysis stability and resistance to cleaning chemical agents meet strict hygiene and quality requirements. All downstream manufacturing steps must maintain food contact compliance, including modular injection tooling and high-shear extruder settings.

Industry compliance standards

• EU Regulation (EU) No 10/2011 (Plastic Materials for Food Contact)
• FDA 21 CFR 177.1500 (Nylon Resin for Food Contact)
• NSF/ANSI 51 (Plastic Materials and Components for Food Equipment)
• 3-A Sanitary Standards, where relevant in North America

Typical usage ratio

• 85–95% PA12, with 5–15% impact modifiers or process aids in mechanical-dynamic parts, adjusted based on beverage temperature and carbonation levels.

Downstream process integration

• Single and multi-cavity injection molding of fitting and manifold elements
• Multi-layer blown or co-extruded tubing for drink lines
• Automated assembly with stainless and elastomeric connectors
• Batch QC for extractables and flavor transfer

Final product types

• Soda and beer tap beverage lines
• Water dispensing tubings and internal components
• Sanitary quick-connect fittings and valves
• Modular manifold blocks for drink mixing systems

5. Additive Manufacturing for Aerospace Prototype Components

Aerospace design and engineering teams choose this PA12 grade for selective laser sintering (SLS) and powder-bed fusion additive manufacturing, where high accuracy, durability, and weight reduction are priorities. Parts produced from this polymer demonstrate consistent layer bonding and chemical resistance, suitable for non-structural test fit, low-volume production, and rapid tooling. All processed powder and resultant parts must comply with traceability and material performance documentation as specified in the aerospace sector.

Industry compliance standards

• EN 9100 (Aviation Quality Management System, Additive Manufacturing Edition)
• ASTM F2921 (AM Material and Process Quality Assurance)
• REACH and RoHS when parts are used in electrical/electronic assemblies
• Company-specific DQMS (Design Qualification Management System) standards

Typical usage ratio

• Fresh powder: 70–85% for new builds, blended with 15–30% used/recovered powder after sintering, adjusted to retain mechanical strength based on print job batch testing.

Downstream process integration

• Powder preconditioning and controlled humidity storage
• SLS printer feedstock blending and part orientation programming
• Automated depowdering and post-sintering annealing
• Surface finishing and verification of critical dimensions

Final product types

• High-detail interior cabin brackets and ducts
• Rapid prototype housings for avionic instruments
• Low-volume tooling jigs and fixture blocks
• Development-phase pipeline and harness channels