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

EMS-Grivory Grilamid® L 25 Z Nylon 12, Dry supports a range of demanding industrial applications through its low moisture absorption, high flexibility, resistance to stress cracking, and chemical stability. Below, we detail its use across several key segments, describing actual downstream scenarios by formulation, compliance, process, and resulting finished goods.

1. Automotive Fuel Line and Pneumatic Tubing

Automotive suppliers rely on Nylon 12-based compounds for manufacturing flexible fuel lines, air brake tubing, and emissions control systems due to the material’s fuel permeability resistance, stress crack stability, and compliance with vehicle safety norms. Material feedstock is delivered in granulate form and processed via extrusion or blow-molding to yield lightweight, chemically durable conduits supporting complex routing in engine compartments.

Industry compliance standards

• SAE J2260: Nonmetallic Fuel System Tubing
• FMVSS 301: Fuel System Integrity
• ISO 7628: Road Vehicles—Thermoplastic Tubing for Air-Brake Systems
• REACH and RoHS for material safety

Typical usage ratio

• Pure polymer use: 85–100% base resin depending on flexibility; compatibilizers or processing aids at 0.5–5% as needed based on extrusion equipment and required mechanical profile

Downstream process integration

• Granules loaded directly into single-screw or twin-screw extruders for mono- or multilayer fuel and pneumatic tubing
• Used as outer or barrier layers in co-extruded composite structures for fuel system applications

Final product types

• Fuel supply lines
• Air brake hoses
• Vapor recovery tubes
• Engine compartment emission lines

2. Healthcare Catheter and Medical Tubing Production

Medical device manufacturers use Nylon 12 to achieve kink-resistant, biocompatible, and transparent tubes and catheters for minimally invasive procedures. The strict requirements for leachables, sterilizability, and flexibility make this grade suitable for multiple healthcare applications, particularly where alternative materials (like PVC or polyurethanes) may not meet temperature, solvent, or flexibility needs.

Industry compliance standards

• USP Class VI Biocompatibility
• ISO 10993-1: Biological Evaluation of Medical Devices
• 21 CFR 177.1500 (FDA - Polymers for Food Contact, Medical Grade Assays)
• ISO 13485: Medical Device Quality Management System

Typical usage ratio

• Polymer feedstock: 97–100% for single-material tubes; Additives up to 3% for colorants or lubricity, per regulatory approval

Downstream process integration

• Direct melt-extruded into catheter and medical-grade tubing profiles with tight dimensional tolerances
• Can be combined in multilayer co-extrusion for specialized flow, opacity, or surface modification properties

Final product types

• Peripheral and central venous catheters
• Infusion and draining tubing
• Dialysis lines
• Diagnostic instrument tubing

3. Industrial Powder Coatings for Metal Protection

Powder coating manufacturers choose Nylon 12 in dry powder form for functionalizing critical metal surfaces in the oil and gas, construction hardware, and marine sectors. The resin’s use in electrostatic or fluidized-bed coating operations provides finished coatings that combine corrosion resistance, high flexibility, and low water absorption, suited for long-term exposure in aggressive environments.

Industry compliance standards

• ISO 12944-5: Protective Paint Systems for Steel Structures
• NACE SP0108: Selection of Coatings for Subsea Equipment
• ASTM D3451: Testing of Coatings
• RoHS conformity for restricted substances

Typical usage ratio

• Base powder: 90–98% nylon resin; flow modifiers, anti-caking agents, and pigments 2–10%, adjusted for layer thickness and performance

Downstream process integration

• Direct mixing into powder formulations and applied using electrostatic spray or hot-dip transfer to preheated metal substrates
• Used as monolayer or primer in multi-coating systems for demanding environments

Final product types

• Pipeline corrosion protection coatings
• Offshore platform hardware coatings
• Architectural metalwork finishes
• Industrial fastener and connector coatings

4. Electronics Cable Jacketing and Fiber Optic Protective Sleeves

Cable and harness producers use Nylon 12 as a primary jacketing compound where mechanical abrasion, oil/chemical resistance, and stable dielectric properties are required. The extrusion process benefits from low melt viscosity and the material’s outstanding surface finish, which protects conductors and fiber optic cores under dynamic motion or environmental stress, particularly for applications in telecom, robotics, and vehicle wiring harnesses.

Industry compliance standards

• UL 62 / UL 83: Flexible Cord and Thermoplastic-Insulated Wires
• IEC 60332-1: Flame Retardance for Cable Sheaths
• RoHS and REACH for restricted hazardous substances
• ISO 6722: Road Vehicle—45V and 60V Electrical Cables

Typical usage ratio

• Sheath layer: 95–100% nylon resin; flame retardants or color additives at 0–5% in compliance with electrical safety and flexibility ratings

Downstream process integration

• Direct dry blend or pellet feed into wire and cable extruders for jacketing outside copper or fiber cores
• Applied as single or multiple crosshead extruded layers for strength, flexibility, and long-term electrical insulation

Final product types

• Control and sensor cables
• Fiber optic cable protective sleeves
• Vehicle harnesses for engine and drivetrain
• Automation and robotic cables

5. Sports Equipment Components and Footwear Inserts

Sports gear manufacturers utilize the material’s impact resistance, processability, and dimensional stability to produce lightweight, high-performance inserts and frames. Injection molding and extrusion of dry granules create parts with precise mechanical profiles ideal for harsh use cycles in competitive sports environments, with end-products tailored for athletic footwear, ski bindings, cycling equipment, and racket handles.

Industry compliance standards

• ISO 9001: Quality Management System (process and QC traceability)
• EN 13432: Health and safety testing for athletic goods
• REACH compliance for phthalate/plasticizer safety
• PROP 65 (CA, US) for consumer product chemical disclosure

Typical usage ratio

• Base resin: 80–100% for direct injection or extrusion; modified with 0–20% glass fiber, softeners, or colorants depending on targeted impact and flex modulus for the end use

Downstream process integration

• Pre-dried resin loaded into injection molding lines for sole inserts, binding parts, or handle shells
• Compression molding and profile extrusion for shoe frames, safety strips, and performance accessories

Final product types

• Athletic shoe midsoles and heel counters
• Ski and snowboard binding housings
• Bicycle component shells
• Professional racket grip frames

6. Flexible Packaging Films for Barrier Applications

Film converters employ Nylon 12 in multilayer packaging structures requiring hydrocarbon, oxygen, and solvent resistance combined with puncture strength and formability. Food and industrial packaging relies on this resin where legal and mechanical specifications dictate low extractables, consistent thickness, and high clarity, with use in co-extruded or laminated films for complex product protection requirements.

Industry compliance standards

• EU Regulation 10/2011: Plastics for Food Contact
• FDA 21 CFR 177.1395 and 21 CFR 177.1500 for food contact films
• ISO 22000: Food Safety Management in packaging supply chain
• GMP (Good Manufacturing Practice) for food and pharma packaging films

Typical usage ratio

• Co-extruded barrier layer: 10–30% of total film structure; adapted per required barrier level, thickness, and mechanical demand alongside EVA, PE, or PET

Downstream process integration

• Dry granulates metered and blended into co-extrusion lines, forming functional barrier or tie layers within multilayer films
• Applied as heat-resistant form-fill-seal films or in laminated sheets for vacuum pack or specialty pouch formats

Final product types

• Vacuum packaging films for meats and cheeses
• Form-fill-seal pouches for technical and medical products
• Bag-in-box liners for solvents or agrochemicals
• Modified atmosphere packaging (MAP) films