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

EMS-Grivory Grilamid® L 20 nat PA12 supports specialized industrial sectors where superior chemical resistance, impact durability, and processing flexibility are critical. Below, we present true downstream application scenarios based on technology and compliance requirements observed in global manufacturing environments.

1. Automotive Fuel System Components

Automotive manufacturers rely on this polyamide 12 material to mold essential fuel system components, where resistance to fuels, hydrocarbons, and elevated temperatures is mandatory. It enables precision extrusion and injection molding for parts used in contact with aggressive chemicals and moisture, upholding dimensional stability under engine-bay conditions.

Industry compliance standards

• SAE J2260: Nonmetallic Fuel System Tubing
• IATF 16949: Automotive Quality Management
• ISO 15500-17: Gaseous Fuel System Components
• End-of-Life Vehicles Directive (2000/53/EC), RoHS/ELV substance regulations

Typical usage ratio

• Neat resin or 70%–100% loading, sometimes blended with about 10–30% glass fiber or impact modifier according to mechanical or barrier requirements

Downstream process integration

• Mainly enters downstream as homogeneous pellets for direct injection molding or extrusion, often after drying to a precise residual moisture target below 0.2% for optimal polymer properties

Final product types

• Fuel lines and hoses for gasoline, diesel, biodiesel, and CNG vehicles
• Vapor return tubes
• Quick connectors and plug-in fuel fittings
• Fuel filter end caps and fuel rails

2. Pneumatic and Hydraulic Tubing for Industrial Automation

This PA12 grade serves globally in the pneumatic and hydraulic tubing sector, selected for its hydrolysis stability and minimal water absorption. Automated processing lines produce consistent, kink-resistant tubing that withstands pressurized fluids, caustic media, and repetitive mechanical stress without microcracking or rapid fatigue.

Industry compliance standards

• ISO 8573-2: Compressed Air Purity
• DIN 73378: Polyamide Tubing for Vehicle and Industrial Use
• REACH Regulation (EC) No 1907/2006
• ISO 9001:2015 Quality Management System

Typical usage ratio

• 90%–100% pure PA12, occasionally co-extruded with a 5–10% inner or outer functional layer

Downstream process integration

• Supplied as granules for screw extrusion and tube drawing, often pre-mixed with specific process pigments or marking stripes to meet identification standards

Final product types

• Flexible pneumatic actuator tubing
• Robotic arm supply lines
• Hydraulic microtubes for process control
• Compressed air brake lines (industrial trailers, machinery)

3. Electrical and Electronic Cable Sheathing

The compound ensures electrical cables and wire assemblies maintain insulation properties, abrasion resistance, and ductility in harsh environments. Industrial wire harness producers co-extrude or overmold PA12 for applications demanding reliable dielectric properties and resilience under repeated flex cycles.

Industry compliance standards

• UL 1581: Standard for Electrical Wires, Cables, and Flexible Cords
• IEC 60332-1: Flame Retardant Performance
• RoHS 3 (Directive 2015/863/EU) for restricted substances
• CSA International Approval (where applicable)

Typical usage ratio

• 80%–100% pure resin in main sheathing, adjustable with flame-retardant masterbatches up to 20% if required by classification

Downstream process integration

• Material introduced via continuous extrusion lines; cross-head dies apply the sheath on moving conductors at speeds depending on the cable diameter and layer thickness, with post-extrusion cooling and dimensional calibration

Final product types

• Low-voltage instrumentation cables
• Multiconductor sensor and actuator cables
• Submersible pump electrical leads
• Automotive wire harness assemblies

4. Sports and Leisure Equipment Manufacturing

Producers of high-performance sports equipment employ this PA12 to manufacture lightweight yet fatigue-resistant structural items, especially in cycling, racket sports, and alpine equipment. The unique property set facilitates intricate profile extrusion, blow molding, and overmolding—directly influencing product reliability and end-user safety.

Industry compliance standards

• EN ISO 4210: Safety Requirements for Bicycles
• REACH SVHC checks for fitness equipment
• ISO 9001:2015 for in-house production quality
• Specific regulatory conformity upon customer export demands (e.g., CPSIA for US-bound goods)

Typical usage ratio

• 60%–100% PA12, with glass or carbon fiber reinforcement added in the 10–40% range for load-bearing parts depending on stiffness and weight targets

Downstream process integration

• Used in profile extrusion for tubing, as well as in injection or blow molding setups for frame components after color compounding and UV stabilization stage

Final product types

• Performance bicycle brake and shift cable housings
• Racket grommets and stringing elements
• Nordic ski pole shafts and connectors
• Protective body equipment cases and shells

5. Additive Manufacturing (3D Printing) Powder Feedstock

Industries requiring custom geometric shapes or low-batch complex parts integrate PA12 as a powder in selective laser sintering (SLS) and multi-jet fusion (MJF) 3D printing. The physical consistency and finely controlled particle size distribution result in high-precision prototypes and technical parts, serving aerospace, orthopedics, and functional prototyping.

Industry compliance standards

• ISO/ASTM 52900: Additive Manufacturing Terminology
• EN 9100 (AS9100): Aerospace Quality Management
• ISO 13485: Medical Device Quality System (for orthopedics)
• REACH and RoHS for safety and chemical compliance

Typical usage ratio

• 100% pure PA12 powder, with real-world usage sometimes mixing <3% processing additives based on print bed humidity and build conditions

Downstream process integration

• Material loaded as powder feed directly into SLS or MJF printer hoppers, with recycling protocols for used powder targeting up to 50% recirculation depending on part quality requirements

Final product types

• Low-volume aerospace ducting and brackets
• Custom surgical jigs
• Prototype mechanical enclosures
• Functional end-use gears and clips

6. Fluid Handling Systems in Beverage and Water Technology

The PA12 compound fits fluid contact components in beverage and water dispensing equipment, thanks to its neutral odor, low extractables, and sustained resistance to cleaning agents and carbonation. Leading OEMs prefer this resin for molding precision connectors and flexible tubing, particularly where taste neutrality and hygiene factor into regulatory acceptance.

Industry compliance standards

• EU Regulation (EU) No 10/2011: Plastics in Food Contact
• US FDA CFR 21.177.1500 Polyamide Composites
• NSF/ANSI 51: Food Equipment Materials
• 3-A Sanitary Standards 63-03 for plastic materials in dairy equipment

Typical usage ratio

• 90%–100% pure PA12, sometimes paired with a 1–10% plasticizer or pigment masterbatch to meet food safety color coding or mechanical compliance requirements

Downstream process integration

• Resin introduced at the extrusion or injection step, with additional filtration and traceability systems in place to ensure hygienic material flow and batch certification

Final product types

• Beverage dispensing connectors and couplers
• Flexible food-grade water hoses
• Coffee, soda, and milk machine supply lines
• Plastic quick-fit joints in beverage handling systems