Applications of EMS-Grivory Grilamid® XE 3926 black 9992 PA12 in Industrial Manufacturing

EMS-Grivory Grilamid® XE 3926 black 9992 PA12 serves as a specialized high-performance polyamide for demanding industrial manufacturing environments. We supply this grade directly from our production plants, supporting a wide range of downstream processing sectors requiring reliable mechanical strength, chemical resistance, and dimensional stability. Below we detail unique application scenarios where this material integrates as a selected raw input for OEMs and converters.

1. Automotive Fuel Line and Vapor Tubing Production

Automotive manufacturers rely on our PA12 compound to extrude single-layer or multi-layer tubing for fuel lines, vapor recovery, and urea dosing systems. This grade delivers consistent hydrolysis and chemical resistance required for sustained exposure to fuel mixtures and engine compartment conditions. Its stable dispersion of black pigment ensures UV resistance while complying with all critical automotive standards for permeation and burst pressure. Strict compounding control at our facility provides tight dimensional accuracy for high-speed line extrusion at major system suppliers.

Industry compliance standards

• ISO 7628 (Road vehicles – Brake hose assemblies – PH and fuel permeability)
• SAE J2260 (Nonmetallic Fuel System Tubing)
• DIN 73378 / DIN 74324 (Polyamide tubing for motor vehicles)
• REACH and RoHS (EU chemical and substance compliance)

Typical usage ratio

• Used as 100% primary resin for mono- or co-extruded fuel lines
• May blend with up to 20% regrind scrap from approved sources for internal recycling

Downstream process integration

• Feeds directly into high-speed extrusion lines with in-line dimensional and pressure testing
• Co-extrusion as tie layer or outer layer in multi-layer tubing assemblies

Final product types

• Low-permeation fuel lines (gasoline, diesel, ethanol blends)
• SCR urea distribution tubes
• Vapor return and ventilation tubings
• Brake and hydraulic hose covers

2. Electrical and Electronics Connector Housings

Electronics component manufacturers incorporate our black PA12 resin into precision injection molding for high-frequency connector housings, sensor modules, and switch enclosures. Its electrical insulation characteristics meet stringent UL yellow card requirements and IEC tracking resistance protocols for safety. The consistent viscosity and easy flow behavior enable thin-wall molding over complex terminal arrangements, ensuring minimal flash and warpage in automated production. This material remains stable under typical lead-free reflow soldering temperatures for surface-mount devices.

Industry compliance standards

• UL 94 V-2 (Flammability, vertical burn)
• IEC 60695-2-10 (Glow-wire test for electrical enclosures)
• RoHS 2011/65/EU (Restriction of Hazardous Substances)
• IEC 60085 (Electrical insulation system)

Typical usage ratio

• Used at 95–100% as the engineering thermoplastic base for housing molds
• Color masterbatch less than 1% added for customized shade matching

Downstream process integration

• Direct transfer from granule storage into precision injection molding machines
• Automated overmolding of contact and pin structures

Final product types

• Circular and rectangular connector housings
• SMD sensor cases
• Wire harness separation clips and insulating shells
• EMI shielded component enclosures

3. Industrial Pneumatic and Hydraulic Tubing

Manufacturers of pneumatic control equipment and hydraulic transfer assemblies use this polyamide grade in the extrusion of flexible tubing for industrial automation. The resin’s low moisture uptake and dimensional stability allow long reel lengths without out-of-tolerance swelling. Superior resistance to oils, coolants, and air pressure ensures long service life in harsh factory conditions. Black pigmentation provides UV shielding for exposed installations and clear line markings for safety identification.

Industry compliance standards

• EN ISO 9888 (Thermoplastic tubing in pneumatic fluid power)
• DIN 74324 (Polyamide tubing for pneumatic/hydraulic)
• REACH and RoHS directives

Typical usage ratio

• Serves as the sole polyamide component for air and oil transfer extrusion
• Up to 10% recycled internal product allowed per responsible tube producer’s standards

Downstream process integration

• Feeds into continuous extrusion with in-line sizing and reel winding
• May receive co-extruded color stripe for circuit identification

Final product types

• Compressed air tubing
• Lubrication line hoses
• Robotics cable sleeves
• Hydraulic pilot control tubes

4. Sports Equipment Frames and Components

Producers of high-end sports gear and bicycle parts utilize our engineered PA12 for metal-replacement in structural frames, pedal bodies, and mounting parts subjected to mechanical stress. Its impact strength and resistance to environmental agents make it ideal for injection-molded or extruded parts with complex 3D geometry. OEMs benefit from the lightweight properties and enduring performance in demanding outdoor or competitive use.

Industry compliance standards

• ISO 4210 (Safety requirements for bicycles)
• EN 15194 (Electrically power assisted cycles, for e-bike frames)
• EU Regulation 2016/425 (Personal protective equipment, for relevant parts)
• Internal QC for cycling industry mechanical integrity (fracture, fatigue, UV resistance)

Typical usage ratio

• Employed as 100% matrix for component injection molding or extrusion
• Compatible with glass fiber reinforcement up to 30% for strength-critical parts

Downstream process integration

• Used in direct injection molding for pedal body, frame inserts, or brackets
• Extruded profiles for rim edges or aerodynamic fairings

Final product types

• Bicycle pedal bodies
• Frame protection inserts and shell covers
• Rims and wheel fairings
• Sports equipment housings (ski pole grips, helmet adjustment systems)

5. Industrial Cable Protection Conduits

Factories and infrastructure contractors incorporate this PA12 in the manufacture of corrugated conduit and flexible cable protection for electrical installations. Its combination of flexibility, abrasion resistance, and flame retardancy enables reliable routing of cables in complex plant layouts, offering long-term defense against chemicals, oils, and UV exposure in demanding environments.

Industry compliance standards

• IEC 61386 (Conduit systems for cable management)
• DIN EN 14586 (Flexible conduit protection in rail applications)
• NFPA 70 (National Electrical Code, as recognized in conduit selection)
• RoHS, REACH substance control

Typical usage ratio

• Used as primary resin at 95–100% with masterbatch additives for UV or flame rating as required

Downstream process integration

• Feeds into continuous extrusion with corrugation station and winding
• May be post-processed for high flexibility or specific bending radii

Final product types

• Corrugated cable conduit (industrial, railway, construction)
• Flexible cable carriers for moving equipment
• Sensor wire harness protection

6. Oil and Gas Pipeline Liners

PA12 is widely applied by petroleum infrastructure engineers in the production of flexible, corrosion-resistant internal liners for steel flowlines and downhole tubing. This material’s resistance to hydrocarbons, saline solutions, and sour gas promotes operational safety. High-performance grades like this combine stable melt strength and homogeneity for large-diameter liner extrusion or free-milling for composite pipe construction.

Industry compliance standards

• API 15HR (Reinforced Thermoplastic Pipe requirements)
• ISO 18752 (Hydraulic hoses for oil and gas)
• EN 14125 (Flexible plastic liners for underground fuel pipes)
• REACH registration for chemical compatibility

Typical usage ratio

• 100% continuous extruded layer, thickness 1.5–5 mm as per line size/specification
• Blending with 10–20% glass bead or fiber when specified for impact resistance

Downstream process integration

• Feeds pipe extrusion or rotational lining operations
• Bonded during composite pipe winding for multi-layer systems

Final product types

• Internal liners for steel or composite pipes
• Onshore/offshore flexible pipeline sleeves
• Offloading hose liners for hydrocarbon transfer