Applications of Evonik VESTAMID® X7293 BK 9.7507 Nylon 12, Dry in Industrial Manufacturing

Evonik VESTAMID® X7293 BK 9.7507 Nylon 12, Dry supports demanding downstream sectors where polymer performance, process reliability, and industry-specific requirements are paramount. Our material integrates in various production environments, answering the precise needs of advanced manufacturers in each segment.

1. Automotive Fuel and Vapor Lines

Automotive OEMs and Tier 1 suppliers rely on this nylon 12 compound for multi-layer fuel and vapor tubing. The grade demonstrates high flexibility, hydrocarbon resistance, and UV stability, supporting thin-wall constructions while maintaining burst strength and dimensional stability over varied temperature ranges. The material enters as an inner or outer functional layer via co-extrusion and welding, enabling manufacture of assemblies that comply with strict emission and safety protocols.

Industry compliance standards

• SAE J2260 (Non-metallic Fuel System Tubing)
• ISO 7628:2010 (Road Vehicles – Thermoplastics Tubing for Use in Airbrake Systems)
• US EPA 40 CFR Part 86 (Permeation Emission Standards for Vehicles)
• European Regulation EC 715/2007 (Emission from Motor Vehicles)

Typical usage ratio

• 60%-100% as inner or outer layer; ratio adjusts by barrier and flexibility needs

Downstream process integration

• Feeds directly into multilayer extrusion lines for in-situ tube formation
• Employed in in-line laser or ultrasonic welding during quick connector integration
• Facilitates direct coloring or marking due to carbon black content
• Used in punch-and-trim assembly for batch fuel lines

Final product types

• Automotive fuel supply lines
• Vapor recovery lines
• Quick-connect tube assemblies
• Urea (AdBlue) SCR system lines

2. Pneumatic Control Tubing for Industrial Automation

Manufacturers of automated systems deploy this polyamide for pneumatic hose, prioritizing chemical resistance, impact durability, and precise dimensional control under pressure fluctuations. Its inherent flexibility and resilience simplify routing, while the grade supports high-frequency pressure cycling typical in advanced automation. Material properties accommodate high-speed extrusion without post-annealing, improving throughput in hose production lines.

Industry compliance standards

• ISO 14743:2016 (Push-in connectors for pneumatic fluid power)
• DIN 74324 (Polyamide Tubes for Pneumatic Systems in Motor Vehicles)
• REACH Regulation (EC) No 1907/2006
• RoHS Directive (EU) 2015/863

Typical usage ratio

• Single-polymer tube core: 100%
• In multilayer tubes: 40%-90%, based on working pressure and bending requirements

Downstream process integration

• Compound feeds into continuous extrusion lines for seamless pneumatic tubing
• Used as base material for precision-laser marking during final inspection
• Pre-dried granules support minimized water pick-up pre-extrusion
• Integrated in automated cut-to-length and fitting-assembly lines

Final product types

• Pneumatic air supply hoses
• Flexible industrial automation tubing
• Vacuum system conduits
• Robot cable protection sleeves

3. Electrical Cable Jacketing for Energy and Data Transmission

Major cable manufacturers use this nylon 12 grade to provide abrasion resistance and chemical protection for electrical, telecommunication, and control cables. The material withstands mechanical abuse, maintains flexibility at low temperatures, and resists moisture ingress. Its properties ensure consistent extrusion onto copper or bundled fiberoptic assemblies, and maintain insulation parameters critical for industrial and renewable energy applications including wind turbine and photovoltaic installations.

Industry compliance standards

• UL 62 & UL 758 (Flexible Cord and Appliance Wiring Material)
• EN 50290-2-22 (General Performance of Cables – Sheathing Materials)
• IEC 60502-1 (Power Cables with Extruded Insulation and Sheaths)
• ICEA S-95-658/NEMA WC 70 (Nonshielded Power Cables)

Typical usage ratio

• Jacketing layer: 50%-100% depending on abrasion and chemical exposure risk

Downstream process integration

• Feeds into high-speed cable extrusion lines as outer sheath
• Enables direct color-coding and UV-stabilization during manufacture
• Supports in-line spark-testing and thickness monitoring
• Applied as secondary protection over XLPE or PVC insulation

Final product types

• Medium-voltage power cables
• Renewable energy and photovoltaic cables
• Fiberoptic protection tubing
• Instrumentation and control cables

4. Fluid Transfer Systems for Chemical Processing Plants

Manufacturers of chemical handling and dosing equipment specify this nylon 12 for process tubing where long-term contact with hydrocarbons, acids, and caustics is routine. The grade’s low surface energy and smooth bore minimize absorption and facilitate high-purity transfer. End-users value its weldability for custom assemblies, while processing lines utilize the material’s stability during continuous extrusion for lengthy hose runs and complex manifold layouts.

Industry compliance standards

• EN ISO 10993-5 (Cytotoxicity for Tubes in Water Treatment)
• FDA 21 CFR 177.1500 (Polyamide resins for food contact, for food and pharma-related plants only)
• ATEX Directive 2014/34/EU (Where required for static dissipation)
• REACH Regulation (EC) No 1907/2006

Typical usage ratio

• 90%-100% for single-layer chemical and pneumatic hoses
• 20%-50% as liner in multi-material hoses where higher stiffness is required externally

Downstream process integration

• Feeds into extrusion or extrusion-braiding lines for tube/pipe production
• Welded or hot-formed into custom assemblies during end-user system installation
• Used for precision sizing and cutting in automated packaging lines
• Employed in offline cleaning and validation procedures before shipment

Final product types

• Chemical dosing and transport hoses
• Laboratory and analytical tubing
• Manifold connectors for plant automation
• Process water lines for semiconductor plants