Applications of EMS-Grivory Grilamid® L 25 W 20 PA12 in Industrial Manufacturing

EMS-Grivory Grilamid® L 25 W 20 PA12 is a polyamide 12 specialty resin engineered for demanding functional and processing needs. It exhibits low water absorption, chemical resistance, dimensional stability, and flexibility. Our manufacturing partners integrate this grade in technical sectors where regulatory standards, dosing precision, and repeatable performance govern large-scale production and final product reliability.

1. Automotive Fuel and Brake Line Systems

This material plays a critical role in the manufacture of flexible yet pressure-resistant tubing for automotive fuel and brake systems. The combination of low moisture uptake and resistance to hydrocarbon oils, biodiesel, and gasoline reduces material aging and leak risk. Our partners use this resin for single- and multi-layer line constructions where mechanical performance and regulatory traceability are essential for OEM supply chains.

Industry compliance standards

• SAE J2260 (High Pressure Fuel Line Tubing)
• FMVSS 106 (Brake Hoses, NHTSA)
• ISO 7628 (Road vehicle — Polyamide tubing for air braking systems)
• UN ECE R67 / R110 (LPG, CNG vehicles systems)

Typical usage ratio

• Base layer: 80–100% PA12 in monolayer designs
• Multi-layer: 40–70% PA12 in core, adjusted for chemical resistance and temperature cycling
• Modifiers and impact improvers: 3–8%, adjusted per OEM specification and line diameter

Downstream process integration

• Direct extrusion of tubing on high-speed lines
• Co-extrusion with adhesive tie and barrier layers
• Precision dimension control via in-line laser measurement
• Thermal forming for connector integration

Final product types

• High-pressure gasoline and diesel fuel lines
• Brake circuit air and hydraulic lines
• LPG/CNG vehicle gas transport tubes
• Engine bay vent and return lines

2. Pneumatic and Hydraulic Tubing for Industrial Automation

Manufacturers in machine-building and plant automation sectors use this grade to produce pneumatic and hydraulic tubing that requires resilience against pressure, vibration, and lubricants in dynamic environments. Its flexibility and dimensional stability allow for compact routing and repeated flex cycles in robotic and control systems.

Industry compliance standards

• ISO 14743 (Pneumatic fluid power—Push-in connectors)
• DIN 74324 (Polyamide tubing for pneumatic applications)
• RoHS Directive (EU) 2011/65/EC
• REACH Regulation (EC) No 1907/2006

Typical usage ratio

• 90–100% PA12 for pressure tubing and push-fit connector lines
• 15–30% glass fiber filled PA12 for enhanced rigidity if required
• Processing aids less than 2% to modify surface smoothness or color

Downstream process integration

• Continuous extrusion into specified OD/ID dimension tubes
• Online marking for batch traceability
• Secondary forming for complex routing pre-sets
• Automated cut-to-length for assembly lines

Final product types

• Pneumatic control tubing
• Hydraulic actuator lines
• Robotic arm air hoses
• Control cabinet mini-tubing

3. Electrical and Electronics Cable Protection

Electrical manufacturers utilize this PA12 for cable conduit and wire insulation in harsh or mobile environments. The resin’s flame retardance, flexibility at low temperatures, and abrasion resistance reduce risk of insulation failure in equipment, railway, and construction projects. Integration with halogen-free compounds meets strict fire and smoke toxicity standards.

Industry compliance standards

• UL 94 (V-2 or better for flame resistance)
• IEC 61386 (Conduit systems for cable management)
• EN 45545-2 (Fire protection on railway vehicles)
• RoHS Directive (EU) 2011/65/EC

Typical usage ratio

• 95–100% PA12 in base insulation and thin wall conduits
• 0–10% specialty flame retardants for enhanced requirements
• Color masterbatch below 1.5% for code marking

Downstream process integration

• Extrusion as cable sheath or flexible conduit profiles
• Overmolding as primary or secondary wire insulation
• Laser engraving for batch or safety labeling
• Continuous flex testing for mobile coil designs

Final product types

• Railway cable conduits
• Industrial robot cable protection
• Elevator wiring cladding
• Low-smoke halogen-free cable jackets

4. Medical Device Components

In regulated healthcare manufacturing, this PA12 is specified for non-implantable medical device parts, minimally invasive instruments, and drug delivery system housings. Its biocompatibility, gamma-sterilization resistance, and dimensional control support critical applications under cleanroom conditions. Dedicated clean grades and batch traceability meet hospital and clinic supply chain requirements.

Industry compliance standards

• ISO 10993-5 (Biocompatibility: Cytotoxicity)
• USP Class VI (Plastics for medical devices)
• ISO 11607 (Packaging for terminally sterilized medical devices)
• EU Medical Device Regulation (MDR 2017/745)

Typical usage ratio

• 98–100% PA12 for medical housings and device tips
• 2–4% laser marking masterbatch for part trace codes
• Filled PA12 grades (glass or barium) for selected radiopaque features

Downstream process integration

• Injection molding under ISO 13485 or GMP QA systems
• Cleanroom assembly with post-mold gamma or EtO sterilization
• In-process batch segregation and final release testing
• Integration with metal or optical inserts for device assemblies

Final product types

• Syringe and pen injector housings
• Catheter connectors and device tips (non-implant)
• Diagnostic cartridge holders
• Instrument handles for minimally invasive surgery

5. Consumer Sports and Optical Goods

Producers of high-performance eyewear, sports gear, and wearables use this engineering resin for its light weight, impact absorption, and resistance to sweat, sunscreen chemicals, and UV exposure. The resin enables thin-wall, ergonomic designs meeting demanding safety and comfort expectations in mass-market and premium goods manufacturing.

Industry compliance standards

• ISO 12312-1 (Sunglasses and related eyewear safety)
• REACH Regulation (EC) No 1907/2006 (Consumer goods)
• ISO 8124-1 (Safety of toys and sporting goods)
• FDA 21 CFR 177.1500 (Indirect food contact, eyewear components)

Typical usage ratio

• 60–100% unfilled PA12 for flexible frames and arm tips
• 15–35% glass-filled PA12 for premium performance or weight-balancing
• Surface finishes and coatings less than 3% as external layers

Downstream process integration

• Injection molding for spectacle frames and sports wearables
• 2K overmolding with TPU for soft touch zones
• In-line UV stabilization and color blending for custom branding
• Precision CNC machining for optical alignment grooves

Final product types

• Eyeglass and sunglass frames
• Goggle chassis and nose bridges
• Sports wearable devices and strap components
• Protective lens holders