Applications of EMS-Grivory Grilamid® LC-3H black Nylon 12, 30% Carbon Fiber Filled, Dry in Industrial Manufacturing

EMS-Grivory Grilamid® LC-3H black Nylon 12, reinforced with 30% carbon fiber, delivers reliable dimensional stability, mechanical strength, and resistance to chemicals and moisture. This specialty polyamide serves high-performance engineering needs in demanding downstream sectors. As the original manufacturer, we support industrial partners in sectors where the material’s properties are fully aligned with advanced production and regulatory demands.

1. High-Pressure Hydraulic Tubing for Automotive and Heavy Machinery

OEMs and Tier suppliers select this material for hydraulic and pneumatic tubing in automotive fuel, brake, and transmission systems, as well as for power hydraulics in construction machinery. Its combination of chemical resistance and stiffness preserves internal diameter and withstands aggressive working fluids, even under pressure and temperature cycling. The material's surface conductivity, enabled by the carbon fiber content, also reduces static charge build-up within fluid transfer lines.

Industry compliance standards

• ISO 7628 (Road vehicles – Thermoplastics tubing for use in air braking systems)
• SAE J2260 (Nonmetallic Fuel System Tubing with One or More Layers)
• FMVSS 106 (Brake Hoses – U.S. Department of Transportation)
• REACh Annex XVII (Chemicals safety for automotive supply chain – EU)

Typical usage ratio

• Material used as 100% of tube wall structure; compounding adjustments for wall thickness from 1.0 to 2.5 mm based on specification and pressure requirements

Downstream process integration

• Precision extrusion in single- or multi-layer tubing lines, often with in-line laser or vision profile measurement and post-extrusion annealing

Final product types

• Automotive brake & fuel lines
• Transmission and clutch fluid lines
• Power steering hydraulic hoses
• Construction equipment pneumatic control tubing

2. Lightweight Structural Inserts for Electric Vehicle Battery Systems

Electric mobility component suppliers leverage this grade in battery system enclosures and cell module carriers to meet strict energy density and safety requirements. Carbon fiber reinforcement provides significant weight reduction when replacing aluminum or steel, while maintaining load-bearing capacity and electrical insulation. Dimensional stability across temperature gradients helps meet finite element design tolerances for crash safety and module integration.

Industry compliance standards

• UN 38.3 (Transport safety for lithium batteries)
• IEC 62660-2 (Secondary lithium cells for automotive)
• IATF 16949 (Automotive Quality Management System)
• UL 94 HB/V0 (Flammability Rating for Enclosure Materials)

Typical usage ratio

• Injection molding with 100% feedstock; wall thickness optimized between 1.2 and 3.0 mm according to crash and vibration simulation results

Downstream process integration

• Precision injection molding with multi-cavity hot runner tools, followed by post-mold dimensional inspection and surface resistance measurement

Final product types

• Battery module spacers
• Thermal management frame inserts
• Crash protection brackets
• Pack-level cable guides/supports

3. Sensor Housings and Connectors in Industrial Automation

Suppliers of industrial automation electronics specify this compound for housing and connector components exposed to continuous mechanical loading, electromagnetic interference, and process chemicals such as cutting fluids and oils. The ESD (electrostatic discharge) properties make it suitable for precision sensor housings, while chemical inertness prevents swelling and dimensional creep in field environments.

Industry compliance standards

• IEC 60529 (Degrees of protection provided by enclosures – IP Rating)
• UL 746C (Polymeric Materials in Electrical Equipment)
• RoHS Directive (EU Restriction of Hazardous Substances)
• EN 61340-5-1 (Protection of electronic devices from electrostatic phenomena)

Typical usage ratio

• 100% polymer use for single-shot injection molded parts; wall thickness from 0.8 to 2.5 mm depending on connector pin density and ingress protection rating

Downstream process integration

• Multi-cavity precision injection molding followed by in-line automation for metal insert over-molding and high voltage isolation testing

Final product types

• Machine vision sensor housings
• Industrial Fieldbus and IoT connectors
• Laser scanner enclosure shells
• Robotic joint module covers

4. Additive Manufacturing Filament for Engineering Prototyping

Industrial additive manufacturing service bureaus and OEMs process the material as filament for 3D printing of functional prototypes and low-volume end-use parts where high rigidity and chemical resistance are required. Carbon fiber content ensures printed structures exhibit minimal warping and anisotropic shrinkage during thermal cycling. Filament performance depends on moisture content and particle sizing during compounding and extrusion.

Industry compliance standards

• ASTM F3091 / F3091M (Additive Manufacturing Requirements for Fused Filament Fabrication)
• ISO/ASTM 52901 (Additive Manufacturing – Quality Management)
• REACH SVHC reporting for material contents in industrial prints
• Company-specific AM process validation protocols

Typical usage ratio

• 100% filament composition; print speed, layer height and infill adjusted to 15-100% infill according to application strength and build geometry

Downstream process integration

• Filament extrusion at 1.75 or 2.85 mm diameter with tight dimensional control, followed by end-user FFF or FDM 3D printing and post-print annealing

Final product types

• Functional machine brackets
• Customized equipment guides
• Low-volume replacement gears
• Printed jigs and fixtures for assembly lines

5. High-Strength Bicycle and Powersport Components

Producers of advanced bicycle systems and powersport equipment employ this material for frame elements, pedal bodies, suspension arms, and mounting brackets where impact strength, vibration damping, and corrosion resistance must outperform unfilled polyamides and metals. Carbon fiber reinforcement ensures parts meet athlete and outdoor exposure requirements with reduced weight and improved mechanical stability under repeated loads.

Industry compliance standards

• ISO 4210-6 (Safety requirements for bicycles – Frames and forks testing)
• EN 15194 (EPAC - Electrically power assisted cycles)
• CPSC Title 16 (Consumer Product Safety Commission - Bicycle requirements for US market)
• End-customer company quality assurance protocols

Typical usage ratio

• 100% usage for critical load components; wall or rib thickness between 1.2 and 4.0 mm according to finite element load simulation and lightweighting requirement

Downstream process integration

• Injection molding with controlled fiber orientation, followed by CNC trimming and in-line fatigue testing or drop impact proofing

Final product types

• Bicycle pedal bodies
• Suspension linkage arms
• Saddle rail mounts
• Cargo carrier mounting brackets