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

As the direct manufacturer of EMS-Grivory Grilamid® L 20 G grey 9280, we supply conditioned Nylon 12 resin to major OEMs and converters in performance-critical sectors. Our material supports advanced processing and stable quality in multiple downstream applications. Below we detail industrial uses, industry-accepted compliance references, blending levels, workflow, and the resulting product lineup.

1. Automotive Fuel Line and Vapor Tubing Systems

Automotive fluid systems engineering selects this polyamide 12 for its chemical resistance and flexibility at low temperatures. High-purity and stable mechanical properties allow for reliable tube extrusion and dimensional stability after assembly. Production lines with advanced extrusion machinery process the granulate into multilayer structures, balancing permeability requirements for gasoline, diesel, and vapor management, in sync with strict global emission controls.

Industry compliance standards

• SAE J2260: Nonmetallic Fuel System Tubing
• US CAR 26: Fuel Line Permeation Standard
• ISO 7628: Road Vehicles—Fuel Hoses
• REACH Annex XVII: Restricted Substances

Typical usage ratio

• Primary layer: 65%–95% (by weight of tube wall), adjusted for multi-layer co-extrusion architectures
• Outer sheath or tie-layer usage: 10%–30% when blended with other engineered polymers for multi-functionality

Downstream process integration

• Dry-blending of Nylon 12 pellet in gravimetric feeders prior to single- or multi-layer extrusion
• Continuous melt extrusion through crosshead dies with post-extrusion annealing
• Forming and laser marking of final tubing per vehicle platform
• Fluid and pressure testing under production QC

Final product types

• Fuel supply lines for gasoline and diesel vehicles
• Vapor return tubing in evaporative emission systems (EVAP, PZEV models)
• Selective catalytic reduction (SCR) urea solution lines
• Quick-connect tube assemblies for hybrid and battery EV platforms

2. Medical Device Catheters and Flexible Tubing

Medical OEMs specify conditioned polyamide 12 for its low extractables, gamma stability, and compliance with biocompatibility guidelines. Tubing production requires precise control over dimensions and surface finish. Granulate feedstocks provide reliable melt flow for thin-wall extrusion, allowing manufacturers to achieve kink-resistant medical line constructions suitable for invasive and non-invasive applications.

Industry compliance standards

• USP Class VI: Biological Reactivity Tests
• ISO 10993-1: Biological Evaluation of Medical Devices
• ISO 13485: Quality Management for Medical Devices
• FDA 21 CFR 177.1500: Polyamide Resins for Food and Medical

Typical usage ratio

• Base layer: 100% for direct fluid contact medical tubing
• Blend use <10% with color masterbatches or radiopaque fillers

Downstream process integration

• Precision pellet feeding into cleanroom extrusion systems
• Control of melt temperature and vacuum sizing for microbore tubes
• Sequential annealing for mechanical strength
• Steroilzation compatibility validation (ETO, gamma, autoclave)

Final product types

• IV cannula bodies and extension lines
• Dialysis tubing sets
• Catheter tubing (peripheral, central venous, urinary)
• Medical instrument covers and guidewires

3. Pneumatic and Hydraulic Control Lines for Industrial Automation

Production plants integrate Nylon 12 tubing for pneumatic and hydraulic circuits requiring flexibility, pressure retention, and low water absorption. The granulate ensures reproducible extrusion profiles that withstand repetitive motion and chemical contact in automated machinery, robot cable chains, and compressed air distribution networks.

Industry compliance standards

• DIN 74324: Plastic Tubing for Pneumatic Installations
• ISO 4414: Pneumatic Fluid Power—General Rules
• RoHS Directive 2011/65/EU: Hazardous Substance Restriction
• EN ISO 9001:2015: Quality Management Systems

Typical usage ratio

• Single-polymer tubing: 90%–100% (for colored or uncolored air lines)
• Coextruded protection layers: 10%–20% with wear-resistant additives

Downstream process integration

• In-line mixing and pellet drying before extrusion
• Continuous dimension monitoring in tube sizing baths
• Post-extrusion printing or coding per pneumatic standard color codes
• Assembly into ready-to-install component kits for machine OEMs

Final product types

• Pneumatic actuator tubing (robotics, process automation)
• Hydraulic return/supply lines for CNC or PLC-based equipment
• Flexible conduit lines for wire and cable protection
• Quick-fit compressed air hose sets

4. Optical Fiber and Wire Cable Sheathing

Telecom and energy industries use this raw material for cable jackets and loose tube sheathing, where long-term dimensional stability, UV protection, and resistance to hydrolysis are critical. The conditioned resin supports tight process control during extrusion, allowing high line-speeds and consistent jacket wall thickness, reducing cable deformation during installation and use.

Industry compliance standards

• IEC 60794: Optical Fibre Cables—General Specifications
• UL 1581: Reference for Electrical Wires, Cables, and Flexible Cords
• RoHS/REACH: Content restrictions for electronic/telecom exports
• ISO 11801: Cabling for Customer Premises

Typical usage ratio

• Sheath composition: 85%–98% (adjusted for UV stabilizers and color)
• Filling compounds or flame-retardant additives: 2%–10%, according to cable fire class requirements

Downstream process integration

• Continuous dosing into cable jacket extrusion equipment
• Co-extrusion with polyolefin or fluoropolymer layers where required
• Continuous marking and inline surface inspection
• Final passivation and reel-packaging under controlled conditions

Final product types

• Loose tube and tight-buffer optical fiber cables
• Telecommunication outdoor and indoor cable jackets
• Flexible instrumentation and sensor cables for harsh environments
• High-speed data transmission cable sheathing

5. Sport and Safety Equipment Components

Sports technology brands use this polyamide for performance shoe outsoles and protective gear due to its fatigue strength and impact resistance. Processing includes injection molding and specialized surface finishing for abrasion and slip resistance. Final products undergo mechanical and chemical testing consistent with sporting and occupational safety standards.

Industry compliance standards

• EN ISO 20345: Personal Protective Equipment—Safety Footwear
• ISO 9001:2015: Production Quality Management
• REACH and PAH content assessment for consumer goods
• ASTM F2913: Testing Slip Resistance Footwear

Typical usage ratio

• Injection molding: 90%–100% (monolithic sole or shell)
• Up to 15% blending with elastomer or color additive masterbatch as per style and function

Downstream process integration

• Pre-conditioning of granulate for moisture control
• Direct feed into high-pressure injection molding machines
• Molded parts subject to trimming and mechanical testing
• Coating or lamination (where compatible) for branding and wear

Final product types

• Sports shoe outsoles for running, hiking, safety footwear
• Protective helmet components
• Impact-resistant fasteners and buckles
• Flexible guards for professional sports equipment