Applications of EMS-Grivory Grilamid® L 20 GM Nylon 12, Conditioned in Industrial Manufacturing

EMS-Grivory Grilamid® L 20 GM Nylon 12, Conditioned, is an advanced polyamide material widely recognized by global OEMs for its high chemical resistance, excellent dimensional stability, and reliable processing characteristics. Its established use in critical downstream sectors reflects consistent compliance with stringent industry benchmarks and customer quality controls.

1. Automotive Fuel Line Systems

Automotive component manufacturers incorporate this grade of conditioned Nylon 12 into single- and multilayer extruded tubing for gasoline, diesel, and alternative fuel delivery systems. Its superior resistance to fuels, road salt, and hydrolysis reduces long-term maintenance concerns and meets the durability requirements of global automakers and Tier 1 system suppliers seeking lightweight alternatives to metal assemblies.

Industry compliance standards

• ISO 7628 (Road vehicles — Thermoplastic tubing for air braking systems)
• SAE J2260 (Nonmetallic Fuel System Tubing)
• US EPA Evaporative Emission Standards (per CFR Title 40, Part 86)
• REACH Regulation (EC) No 1907/2006 for restricted substances

Typical usage ratio

• Extrusion compound loading at 100%; no major fillers for monolayer fuel line applications
• For multilayer structures, 40%-70% of tube wall construction, adjusted per permeability targets

Downstream process integration

• Direct extrusion into tubing using multi-screw extruders with controlled humidity conditioning
• Co-extrusion with fluoropolymers or EVOH for enhanced barrier applications
• Hot gas welding for final connector integration at the assembly stage

Final product types

• Low-permeation mono- and multilayer fuel lines for light and heavy vehicles
• Quick-connect tubing for evaporative emission systems
• Vapor return hoses and diesel urea lines (SCR system lines)

2. Pneumatic Control and Air Brake Tubing

Pneumatics manufacturers use conditioned Nylon 12 to produce pressure-resistant tubes for industrial automation, railway controls, and heavy-duty truck air brake circuits. Its flexibility at low temperatures and resistance to air-borne oils and cleaning agents ensures reliable system uptime in environments subjected to vibration, abrasion, and thermal cycling.

Industry compliance standards

• DIN 74324 (Thermoplastics tubes for use in air braking systems of road vehicles)
• FMVSS 106 (Federal Motor Vehicle Safety Standards for Brake Hoses)
• EN 45545-2 (Fire protection on railway vehicles)
• ISO 9001:2015 for manufacturer quality systems

Typical usage ratio

• Formulated as the primary tube matrix at 85-100%, pigment masterbatch up to 5% when color coding is required

Downstream process integration

• Continuous tube extrusion with in-line dimensional and pressure testing units
• Cutting and coiling operations automated for batch packing
• Surface marking/printing for identification during secondary assembly

Final product types

• Pneumatic actuation system tubing for automated machinery
• Heavy truck and trailer air brake tubes
• Compressed air distribution lines for factory installations

3. Industrial Cable Protection and Fiber Optic Sheathing

Manufacturers of data and power cable protection systems prefer this conditioned Nylon 12 for its consistent mechanical strength and low moisture absorption, which are essential for extruded conduit and fiber optic tubes deployed in demanding outdoor and subterranean environments. The material protects cables from aggressive soils, chemical leaks, and rodent attacks over extended service life.

Industry compliance standards

• UL 2024 (Optical Fiber Raceway)
• IEC 61386-24 (Conduit systems for cable management)
• RoHS Directive 2011/65/EU
• EN 50288-7 (Multi-element metallic cables for communication)

Typical usage ratio

• Used as 95%-100% of the pipe or sheathing compound; anti-static or flame-retardant additives up to 5% for specialty products

Downstream process integration

• Extrusion of corrugated or smooth-wall protective ducts and microducts
• Precision drawing for thin-walled fiber optic tubes
• Cable over-sheathing lines with in-line monitoring for ovality and wall thickness

Final product types

• Underground communication cable ducts
• Fiber optic microducts and loose tube sheaths
• Flexible cable conduit for urban power and data distribution

4. Sporting Goods and Consumer Equipment Components

OEMs in sporting goods and high-end consumer products employ this conditioned polyamide for precision injection molding of performance components such as bicycle parts, ski bindings, and eyewear frames. Its light weight, high impact strength, and chemical resistance support demanding user requirements without additional painting or surface treatments.

Industry compliance standards

• ISO 4210-2 (Safety requirements for bicycles: Frames and forks testing)
• ISO 12312-1 (Eye and face protection—Sunglasses and related eyewear)
• EN 957 (Stationary training equipment standards for fitness)
• Corporate QA/QC protocols for color and mechanical property consistency

Typical usage ratio

• Direct feed at 100% for most structural and visible components
• Up to 15% glass fiber or UV stabilizers for targeted reinforcement or weathering resistance

Downstream process integration

• Injection molding under tightly controlled dew point and temperature conditions
• Secondary shaping or laser marking post-molding
• Assembly line integration with mechanical testing for every production lot

Final product types

• Precision bicycle derailleur cages and flexible brake hose connectors
• Ski boot and binding adjustment levers
• Sports eyewear frames requiring optical clarity and flexibility

5. Medical Device Tubing and Connectors (Non-Implant Use)

Medical device firms use the conditioned material for extrusion and blow molding of flexible tubes and connectors intended for external patient monitoring, laboratory fluid transfer, and respiratory therapy. Its clean extractables profile and resistance to sterilization cycles fit safe-use requirements in non-implant healthcare consumables.

Industry compliance standards

• ISO 10993 (Biological evaluation of medical devices)
• USP Class VI certification for cytotoxicity and systemic toxicity
• FDA 21 CFR 177.1500 (Polymers for food contact—applies analogously in medical filtraion applications)
• ISO 13485:2016 for manufacturer quality management

Typical usage ratio

• Unblended base resin at 95%-100% for clarity and cleanability
• Special formulations with up to 5% plasticizer or process aid to alter durometer per device needs

Downstream process integration

• Single-screw extrusion into medical-grade heat-shrink and fluid transfer tubing
• Overmolding onto diagnostic sensor or valve assemblies
• Sterilization-ready packing after gamma or EtO sterilant exposure

Final product types

• Extruded oxygen supply hoses
• Flexible sampling lines for laboratory analyzers
• Non-implant catheter connectors and sensor cables