Applications of EMS-Grivory Grilamid® L 25 W 40 NZ Nylon 12, Dry in Industrial Manufacturing

As the original manufacturer, we supply EMS-Grivory Grilamid® L 25 W 40 NZ Nylon 12, Dry for demanding sectors requiring performance under challenging environments. Below are proven industrial application segments, each governed by distinct process needs, industry standards, and quality requirements.

1. Automotive Fuel and Fluid Line Systems

Our material finds broad use in the manufacture of automotive fuel and fluid lines, supporting resistance against aggressive chemicals, permeation, and pressure cycling. OEMs adopt it for critical applications such as high-pressure fuel hoses, vapor return lines, and SCR urea lines on both passenger and commercial vehicles. Compliance with global automotive standards requires careful polymer ratio modification based on intended vehicle model and regional regulations. Value-added colorants or UV blockers remain optional based on exterior placement. During production, our resin is processed often by extrusion or monolayer/multilayer co-extrusion, combined routinely with adhesion-promoting tie-layers for composite tubing assemblies. Downstream, manufacturers complete end-forming and fitting assembly, followed by stringent leak testing for supply to major automotive brands.

Industry compliance standards

• SAE J2260 (Nonmetallic Fuel System Tubing)
• ISO 7628 (Thermoplastics Tubing for Motor Vehicles)
• US EPA permeation standards (40 CFR 1060)
• OEM in-house material validation (e.g., VW PV3935, Ford WSS-M98D11-A1)

Typical usage ratio

• 100% neat Nylon 12 for single-layer tubes
• Different ratios in co-extruded multilayer (20–70% in barrier layer depending on tube design, adjusted for wall thickness and barrier demands)

Downstream process integration

• Dry-blend and tumble prior to extrusion
• Direct dosing in multilayer extrusion hoppers
• Post-extrusion shaping via flanging and end-forming
• Thermal assembly with connectors for final auto system installation

Final product types

• High-pressure fuel lines
• Brake fluid delivery tubes
• AdBlue®/DEF (urea) dosing lines (SCR)
• EV coolant and battery pack tubing

2. Pneumatic and Hydraulic Control Tubing

Industrial automation systems use this grade for pneumatic control tubing where precision, dimensional stability, and kink resistance are critical. Its low moisture absorption and consistent mechanical profile suit long-term embedded installations in complex assemblies like robotic arms, packaging equipment, or process plants. Manufacturers often process it by continuous extrusion or with laser-marked traceability, fulfilling the traceability and batch integrity requirements of leading industrial customers. Compliance with machinery safety directives and hydraulic specification standards is mandatory, especially in plant OEM and retrofit projects. Polyamide's friction behavior, together with form memory, supports tight bend radii and high cycle durability under pressure pulsation.

Industry compliance standards

• EN ISO 4414 (Pneumatic fluid power — General rules and safety requirements)
• DIN 74323 (Polyamide tubing for pneumatic devices)
• RoHS 2011/65/EU for restricted substances
• Factory Mutual (FM) approvals for critical process plants

Typical usage ratio

• Single-polymer extrusion: 100% use
• Blends with color or marking masterbatch: 95–98% base + 2–5% additive

Downstream process integration

• Pellet feeding to high-speed extruders
• Direct-marking and auto-coiling during take-off
• Post-extrusion calibration for internal diameter constancy
• Automated cut-to-length and packaging lines before customer shipment

Final product types

• Pneumatic actuator tubing
• Hydraulic line sheaths
• Valve control conduits for automation systems
• Flexible supply lines for robotics cabling

3. Medical Device Components (Non-Implantable)

Our grade serves select non-implantable medical device applications, where its biocompatibility and resistance to sterilization cycles are essential. Typical uses include manifold connectors, catheter tubes, infusion set components, and dental tool housings. The resin enters injection molding and profile extrusion workflows in validated cleanroom environments, with strict adherence to traceability, master batch management, and lot certification. Manufacturers must fulfill ISO 13485 requirements and validate all forming and post-molding sterilization steps—commonly EtO, gamma, or steam—without material degradation or leachables. Material ratios and additive selection follow device registration needs and final regulatory filings per ISO 10993 or USP Class VI.

Industry compliance standards

• ISO 13485 (Medical Devices – QMS)
• ISO 10993-1 (Biological evaluation of medical devices)
• USP Class VI plastics
• FDA 21 CFR 177.1500 (Polymers used in food contact applications, referenced in medical tubing)

Typical usage ratio

• 99–100% pure polymer for cleanroom molding
• Color/opacity adjustment up to 1% with medical-grade masterbatch

Downstream process integration

• Pre-compounding with traceable additive lots
• Silo conveying to injection and extrusion lines in enclosed cleanrooms
• Post-extrusion annealing or calibration for tight tolerance requirements
• Sterilization and lot tracking according to device registration protocol

Final product types

• Infusion set tubing
• Medical device connectors
• Dental tool handles
• Catheter tubing (non-invasive/non-implantable)

4. Flexible Packaging Films and Barrier Layers

This material provides strong performance in flexible packaging applications where oxygen, aroma, or chemical barrier functions are critical, such as for specialty foods or industrial liquids. Packaging converters co-extrude it in multilayer films to separate aggressive media from outer layers, or as base material for forming tough pouches. Processors precisely control its gauge and cooling parameters for clarity and sealing response. Adjustments to layer thickness, tie-layer adhesion, and integration occur per package type and regulatory clearance for food contact or chemicals. Typical use cases include vacuum-sealed cheese packs, processed meat casings, or diagnostic reagent storage films where regulatory traceability is a client-mandated requirement.

Industry compliance standards

• EU 10/2011 (Plastics intended for food contact)
• FDA 21 CFR 177.1500 and 175.300 (Indirect food additives)
• BRCGS Packaging Materials Global Standard
• GMP EC 2023/2006 (Good manufacturing practices for materials intended to come into contact with food)

Typical usage ratio

• Monolayer films: 100% nylon 12
• Multilayer coextrusion: 10–45% as an internal barrier layer, adjusted for final barrier property targets and cost optimization

Downstream process integration

• Central dosing in multi-compartment film extrusion lines
• Layered with PE, EVOH, or tie-layer adhesives for package performance
• Continuous thickness and seal strength QC checkpoints in web production
• Precision slitting, folding, and pouch conversion for food and diagnostics OEMs

Final product types

• High-barrier vacuum pouches
• Meat and cheese casings
• Reagent containment films
• Industrial liquid transport liners

5. Cable Jacket and Protective Sheathing

Energy and industrial cabling sectors specify this resin for jacketing and internal sheathing, prioritizing abrasion resistance, chemical stability, and dimensional consistency over long cable runs. Producers extrude it onto copper or fiber bundles, often inline with foamed or solid insulation stages. The material withstands moderate temperatures and cleaning solvents, and end-users require documented compliance to flame, smoke, and halogen standards—especially in rolling stock, shipboard, and sensitive infrastructure projects. Cable manufacturers may reinforce sheathing blends with specialized fillers or colorants, with continuous monitoring of wall thickness and concentricity throughout processing. Each batch must meet start-up validation and end-of-line flame test certification before release.

Industry compliance standards

• UL 1581 (Reference Standard for Electrical Wires, Cables, and Flexible Cords)
• IEC 60332 (Flame Retardant Tests)
• EN 50264 (Railway cables)
• RoHS and REACH directives

Typical usage ratio

• 90–100% resin as extrusion sheath, modified down to 85% with color and flame-retardant concentrates as cable specification requires

Downstream process integration

• Direct hopper feeding to cable extrusion lines
• Continuous concentricity and wall-thickness monitoring
• Sequential integration with inner insulation and outer sheath layering
• Continuous in-line spark testing and sample section verification

Final product types

• Power and control cable sheaths
• Data transmission cable jackets (Ethernet, fiber-optic)
• Rolling stock and railway cable protection
• Shipboard cable sheathing