Applications of EMS-Grivory Grilamid® L 20 W 20 grey 9280 Nylon 12, Dry in Industrial Manufacturing

As the original manufacturer, we supply EMS-Grivory Grilamid® L 20 W 20 grey 9280 Nylon 12, Dry for demanding industrial sectors. Its polyamide 12 base, enhanced flexibility, and chemical resistance deliver proven performance across specialized downstream processes. Discover key application areas and integration details below.

1. Automotive Fuel Line Tubing Production

Major automotive OEMs rely on Nylon 12 for precision extrusion of multilayer fuel and vapor line tubing. Our material provides high dimensional stability, resistance to fuel permeation, and impact durability at low temperatures. Downstream processors adopt this grade to meet strict vehicle safety and emission standards. Color consistency, melt viscosity, and moisture control are closely monitored throughout compounding and extrusion steps.

Industry compliance standards

• SAE J2260 (Non-Metallic Fuel Tubing)
• ISO 7628 (Road Vehicle Fuel Line Tubes)
• US EPA 40 CFR §86.1811-17 (Evaporative Emissions)
• TS 16949 Automotive Quality Management

Typical usage ratio

• 90–100% as primary matrix in inner and outer layers, with adhesives or tie layers at 5–10% depending on multilayer requirements.

Downstream process integration

• Material is dried to specified moisture below 0.04% before being compounded, then directly extruded into multilayer tube profiles.
• Integrating with tie layers (e.g., adhesive polyolefins) occurs in co-extrusion tooling.
• Color masterbatch can be dosed at 1–3% for OEM color matching during extrusion.

Final product types

• Brake and fuel lines for passenger vehicles and commercial trucks
• Vapor barrier vent tubes for emission control
• Quick connector tubing for automotive assemblies
• Layered SCR urea/AdBlue transport piping

2. Pneumatic Air Brake Hose for Commercial Vehicles

Nylon 12 supports the high-pressure extrusion and thermal forming of pneumatic brake hoses used in heavy-duty trucks and buses. Its resistance to cracking under bending and mechanical stress, outstanding surface finish, and compatibility with industrial fittings ensure reliable long-term operation in harsh service conditions. Consistent viscosity and fine particle filtration minimize low points or blockages during hose extrusion and coiling.

Industry compliance standards

• SAE J844 (Nonmetallic Air Brake Tubing)
• DIN 73378 / DIN 74324 (Polyamide Tubing for Pneumatics)
• FMVSS 106 (Brake Hoses, US NHTSA)
• EN ISO 9001 Quality Management for automotive production parts

Typical usage ratio

• Used as 100% structural material for air brake tubing.

Downstream process integration

• Directly introduced to extrusion lines after vacuum drying to reduce hydrolysis.
• Post-extrusion, tubing is cooled, cut, then end-formed or thermally shaped for couplings.
• Occasionally blended up to 10% with compatible toughening agents to meet specific impact resilience requirements.

Final product types

• Heavy-vehicle air brake tubing sets
• Trailer assembly pneumatic circuits
• Industrial vehicle compressed air system lines
• On-road bus ABS and EBS pneumatic hoses

3. Additive Manufacturing in Aerospace Component Fabrication

Advanced polymer-based 3D printing for aerospace utilizes precision-graded Nylon 12 powders. This material’s low moisture absorption and balanced flexibility make it suitable for SLS (Selective Laser Sintering) and FFF (Fused Filament Fabrication) protocols requiring dimensionally accurate, lightweight, and mechanically robust prototypes or functional end-use parts. Our dry grade ensures uniform flow and prevents sinter-head deposit buildup.

Industry compliance standards

• EN9100 (Aerospace Quality Management)
• ASTM F3091 / F3091M (Additive Manufacturing of Polyamide-12)
• SAE AMS7102 (Additive Manufacturing for Aerospace)
• RoHS 3 (2015/863/EU) non-metallic compliance

Typical usage ratio

• 100% powder blend for SLS or filament for FFF; recycled powder addition adjusted 20–30% based on QC parameters for each print batch.

Downstream process integration

• Material is micronized and sieved for SLS or pelletized for FFF.
• Direct loading to print feed bin, with inline humidity monitoring.
• May include specialty mineral or carbon-fiber fillers up to 20% for increased modulus, subject to aerospace part certifications.

Final product types

• UAV structural brackets
• Cable routing clips and housings
• Lightweight electrical connectors
• Satellite non-loadbearing interior parts

4. Medical Device Catheter and Tubing Extrusion

Medical device manufacturers select this high-purity polyamide 12 for single- and multi-lumen catheter extrusion and critical instrument tubing. Its smooth surface finish, kink resistance, and compliance with cytotoxicity protocols support applications where biocompatibility and mechanical performance are vital. Manufacturers verify absence of phthalates and process aids according to device regulations during their QC release for patient use.

Industry compliance standards

• ISO 10993-5 (Biological Evaluation: Cytotoxicity)
• USP Class VI (Biological Reactivity Tests)
• 21 CFR 820 (US FDA Medical Device GMP)
• ISO 13485 (Medical Devices QMS)

Typical usage ratio

• 90–99% primary tubing polymer; up to 10% color masterbatch or radiopaque filler, depending on device marking requirements.

Downstream process integration

• Fed into medical-grade extrusion, following filtered and sterile-validated drying.
• Split- or co-extruded to form single or dual-layer tubes, autoclave or gamma-stable.
• Subjected to QC for wall thickness, protein cytotoxicity, and biological safety.

Final product types

• Peripheral and central venous catheters
• Interventional guide sheaths
• Infusion tubing and cannulas
• Dialysis transfer sets

5. Cable Sheathing for Rail and Industrial Automation

Cable and wire harness makers employ dried polyamide 12 for both primary insulation and tough outer jackets in rail transit, robots, and power control panels. The material’s flame retardance (with suitable additives), abrasion resistance, and flexibility at subzero facilitate demanding cable routing requirements over long service periods. Downstream producers compound the base polymer with flame retardant or UV stabilizer masterbatches if required.

Industry compliance standards

• EN 50264 (Railway Cable Insulation)
• UL 94 V-2 (Flammability)
• IEC 60332-1-2 (Test for Flame Spread)
• RoHS 2 (2011/65/EU) for non-halogenated cabling

Typical usage ratio

• 80–95% polyamide 12 in jacket compounds; flame retardant, UV stabilizer, and pigment masterbatches up to 15% in specialized cable products.

Downstream process integration

• Extruded as primary insulation or outer jacket in single/multicore cable lines, following vacuum drying.
• Material homogeneity critical to avoid microvoids and provide smooth jacket appearance.
• Cross-linking or irradiation steps possible for increased jacket endurance.

Final product types

• Railway rolling stock control cables
• Robotic automation signal lines
• Power cable harness jackets for switchgear
• Flexible drag chain cabling

6. Oil and Gas Fluid Conveyance Pipe Systems

Polyamide 12 extruded pipe produced with our resin offers chemical compatibility, low gas permeability, and impact strength for transporting natural gas, fuel oil, and aggressive chemicals. Pipeline manufacturers use controlled moisture raw polymer for single-layer or composite pipes, optimizing for installation in demanding outdoor and buried environments, including desert and subarctic climates. Surface finish and wall integrity are monitored inline to conform with pressure and leakage standards.

Industry compliance standards

• ISO 16486 (Plastics piping systems for industrial use – PA12)
• DVGW VP 642 (Water and Gas Piping)
• ASTM F2945 (Polyamide-12 Pressure Pipe for Fuel Gas)
• EN 1555-1 (Plastics piping systems for gaseous fuels – PA12)

Typical usage ratio

• 98–100% in monolayer pipes; 70–80% for outer layers in multilayer gas pipes with aluminum or other plastic barrier layers.

Downstream process integration

• Material fed to twin-screw extruders equipped with static mixers and vacuum dehumidification.
• Co-extrusion with tie layers or metallic reinforcement in multilayer pipe formats, online wall thickness monitoring.
• Surface corona or flame treatment prior to coupling or socket fusion welding.

Final product types

• Natural gas household and industrial pipelines
• Fuel oil above and below-ground distribution pipes
• Water injection and chemical supply tubing for oilfields
• Flexible riser segments for offshore transfer