Applications of Evonik VESTAMID® LX9117 BK Nylon 12, Glass Fiber Reinforced in Industrial Manufacturing

As a specialized manufacturer, we deliver Evonik VESTAMID® LX9117 BK Nylon 12 reinforced with glass fiber for demanding industrial applications. Its engineered profile supports precision operations from automotive environments to fluid handling systems. Below are real, high-performance downstream sectors utilizing this advanced compound, with practical processing and compliance guidance for each.

1. Automotive Engine Bay Components

Automotive OEMs specify this material for producing engine covers, air intake manifolds, and other under-the-hood components, due to its superior resistance to automotive fluids, thermal cycling, and mechanical loading. Its stability over long-term heat aging and exposure to chemicals ensures compliance with strict vehicle durability and emissions requirements, especially in turbocharged systems. Material performs consistently in hot, vibration-prone environments, supporting automotive assemblers in meeting global platform specifications and production targets.

Industry compliance standards

• ISO 16750 (Road vehicles – Environmental conditions and testing for electrical and electronic equipment)
• ECE R100 (UN Regulation for vehicle safety, relevant section for non-metallic enclosures)
• OEMs’ internal material specifications such as VW TL 52654, BMW GS 93016
• UL 94 HB (Automotive flammability standard)

Typical usage ratio

• Glass fiber content: 25% by weight in VESTAMID® LX9117 BK base polymer
• Injection molding with the full compound (no onsite blending)
• Adjust wall thickness between 2.2–3.5 mm based on stress/load analysis and part design

Downstream process integration

• Direct injection molding after drying compound to <0.2% moisture
• Optimized mold temperatures 80–110 °C for consistent crystallinity
• Ultrasound welding or in-mold assembly as required by component
• Post-molding annealing for elevated under-hood service temperatures

Final product types

• Engine cover modules
• Turbocharged air ducts
• Valve cover housings
• Thermostat casings

2. Industrial Fluid Handling Fittings

Manufacturers of industrial fluid transport systems use this material for injection-molded fittings, connectors, and manifolds. Its low moisture uptake, high dimensional accuracy, and stress crack resistance suit demanding fluid circuits in cooling, lubrication, and compressed air lines. The compound’s consistent mechanical performance and chemical compatibility reduce system maintenance and leak risks in plant environments subject to oil, fuel, or aggressive coolants.

Industry compliance standards

• DIN EN ISO 21003 (Multilayer piping systems for hot and cold water installations)
• REACH SVHC compliance (for chemical safety)
• RoHS Directive (lead and heavy metals for electrical fluid applications)
• EN 682 (Gasket materials in pipe joints exposed to hydrocarbons)

Typical usage ratio

• Compound supplied pre-blended at 25% glass fiber by weight
• Part weight ranges from 0.015–1.00 kg depending on connector size
• Wall thickness often from 2.0–4.5 mm, adjusted for working pressure

Downstream process integration

• Single-stage injection molding with hot runner system
• Molds pre-treated to prevent glass fiber abrasion
• Hydrostatic pressure testing post-production for quality assurance
• Automated seal assembly and laser marking for traceability

Final product types

• Quick-connect fluid couplers
• Industrial valve housings
• Manifold blocks
• Pneumatic tube connectors

3. Electrical and Electronics Enclosures

This grade addresses enclosure fabrication for sensitive devices requiring robust EMI shielding and dimensional stability. OEMs in automation and instrumentation choose this material for sensor housings, cable gland bases, control unit cases, and relay enclosures, where glass fiber reinforcement improves rigidity and mounting reliability. The nylon 12 matrix provides resistance to creepage, arcing, and ambient humidity, vital for housing electronics operating in uncontrolled or high-moisture areas.

Industry compliance standards

• IEC 60529 (Degrees of protection provided by enclosures – IP Code)
• UL 746C (Polymeric materials for electrical equipment)
• NEMA 250 (Enclosures for electrical equipment)
• EN 45545-2 (Railway applications – fire protection of enclosures where relevant)

Typical usage ratio

• Pre-compounded at 25% glass fiber
• Inserts or conductive coatings added where EMI/RFI protection is critical
• Wall thickness 1.8–3.0 mm, subject to enclosure size and ingress protection level

Downstream process integration

• Direct injection into multi-cavity mold systems
• Annual maintenance of tool steel to manage abrasion from glass fiber
• In-mold fixing of threaded inserts for mounting electronics
• Post-molding surface finish: sand-blasting or painting for aesthetics and insulation

Final product types

• Electronic device housings
• Sensor modules
• Junction boxes
• Industrial switch and relay bodies

4. Railway Cable Protection Systems

Urban transit and rail equipment builders rely on the compound to manufacture flexible yet tough cable conduits and brackets, especially where continuous movement, vibration, and wide temperature changes occur. Its inherent flame retardance, UV stability, and resistance to hydraulic oils make it favored for installation in exposed and undercarriage settings. The regulated black pigment offers additional UV and weather resilience over time, extending component service life.

Industry compliance standards

• EN 45545-2 (Fire protection requirements for railway applications)
• NFPA 130 (Fixed Guideway Transit and Passenger Rail Systems – for US market)
• DBS 918260 (Deutsche Bahn material guideline for cable protection)
• REACH-compliant pigmentation

Typical usage ratio

• Black glass fiber reinforced compound, 25% glass fiber
• Cable duct wall up to 4.0 mm for impact-prone pathways
• Wall as thin as 1.0–1.5 mm for flexible or non-load-bearing conduits

Downstream process integration

• Extrusion or injection molding depending on conduit shape
• Pre-heating granulate to ensure stable melt flow
• Continuous extrusion for ducts, batch molding for mounting brackets
• Dimensional QC for fit within rail vehicle specifications

Final product types

• Cable protection conduits
• Mounting brackets and clamps
• Junction and connection boxes
• Flexible undercarriage wire guides

5. Hydraulic and Pneumatic Quick-Connect Components

Hydraulic system suppliers select this material for producing quick-connect and disconnect devices exposed to pressure and frequent handling. Its engineered composition maintains seal integrity, minimizes creep, and withstands repetitive stress cycles typical in industrial machinery and chemical process environments. High surface hardness reduces wear on O-rings and gaskets, helping ensure longevity in maintenance-intensive plants with oil or air pressure lines.

Industry compliance standards

• ISO 4413 (Hydraulic fluid power — General rules and safety requirements)
• ISO 21287 (Pneumatic cylinders — Compact ISO standards)
• DIN EN ISO 1179 (Hydraulic fluid power – Connection ports and stud ends)
• RoHS conformity for electrical system interlocks

Typical usage ratio

• Compound at 25% glass fiber delivery form, undiluted for tooling accuracy
• O-rings specified at 2%–5% of assembly by mass, depending on sealing area
• Final connector wall thickness typically 2.5–4.0 mm

Downstream process integration

• Zinc oxide mold coating for low ejector force
• Immediate integration of metal/plastic hybrid assemblies post-molding
• 100% pressure leak testing per ISO standards
• Barcoding of finished lots for supply traceability

Final product types

• Quick-connect pneumatic couplers
• Hydraulic plug-in connectors
• Rotary unions for compressed air
• Modular manifold joiners

6. Specialized Oil and Gas Pipe System Components

Oilfield equipment manufacturers incorporate our material in pipe connector collars, offshore cable supports, and mid-pressure flexible hose fittings, driven by chemical resistance to hydrocarbons, salt spray, and hydraulic fluids. Glass fiber reinforcement provides sustained performance under cyclic loading and exposure to harsh drilling environments. This supports quality assurance in deepwater, topside, or refinery operations where downtime translates into significant productivity losses.

Industry compliance standards

• API Spec 17J (Specification for unbonded flexible pipe)
• ISO 13628-2 (Subsea production systems — Flexible pipe systems for subsea and marine applications)
• NORSOK M-710 (Qualification of non-metallic sealing materials and manufacturers)
• DNVGL-ST-F119 (Thermoplastic composite pipes)

Typical usage ratio

• Supplied as 25% glass fiber filled compound for primary injection molding
• Contained within 2.5–6.0 mm part wall depending on service pressure and system design
• Secondary sealing elements specified by the final assembly manufacturer

Downstream process integration

• Parts molded for interference-fit connection to composite or steel pipes
• Post-mold drilling/machining for API thread forms
• Ultrasonic cleaning to remove residual particulates
• Final hydrocarbon soak testing for quality release

Final product types

• Pipe fitting collars
• Offshore cable clamps
• Flexible pipeline connectors
• Insulating bushings for subsea control systems