Applications of EMS-Grivory Grilamid® TR 55 LX PA12/MACMI in Industrial Manufacturing

As the original producer of EMS-Grivory Grilamid® TR 55 LX PA12/MACMI, we support multiple specialist manufacturing sectors with this high-performance polyamide designed for strict technical requirements. Its unique combination of transparency, toughness, and chemical resistance unlocks value for demanding downstream processes where precision, regulatory compliance, and advanced materials engineering are essential to success.

1. Optical and Precision Lens Components

Grilamid® TR 55 LX PA12/MACMI exhibits a high degree of transparency, dimensional stability, and impact resistance, making it suitable for optical devices and precision lens applications. Manufacturers rely on its optical clarity and enhanced processability for injection molding of correction lenses, sun lenses, and safety eyewear. The grade’s ease of flow enables production of complex, thin-walled geometries without stress cracking, while ensuring long-term performance under variable humidity and temperature cycles.

Industry compliance standards

• ISO 8980 (Ophthalmic optics – Uncut finished spectacle lenses)
• EN 166 (Personal Eye Protection)
• FDA 21 CFR 177.1500 (Polymers for food-contact lenses)
• REACH Annex XIV and SVHC compliance for non-toxic constituents

Typical usage ratio

• 95-100% neat resin for optical grade injection
• Adjustable with 0-5% color masterbatch for tinting, depending on lens requirements

Downstream process integration

• Direct dosing in injection molding machines for automated precision lens shaping
• Post-mold annealing to relieve internal stresses for high optical quality
• Secondary hard coating or anti-reflective coatings where specified

Final product types

• Prescription spectacle lenses
• Sunglass lenses
• Protective eyewear for industrial and sports use
• Technical visors and instrument windows

2. Automotive Fluid Connector Systems

Grilamid® TR 55 LX PA12/MACMI meets the high demands of automotive under-the-hood fluid connectors and quick couplings. Its resistance to automotive fluids, low water absorption, and retained mechanical properties at elevated temperatures allow use in fuel, braking, and coolant systems. OEMs select the material for complex molded geometries, high fatigue life in vibration zones, and compliance with vehicle emissions reduction and recycling directives.

Industry compliance standards

• ISO 7628 (Road vehicles – Polyamide tubing for air braking systems)
• SAE J844 (Thermoplastic air brake tubing)
• GMW 15449 (General Motors test protocol – fluid extractables)
• EU Directive 2000/53/EC (End-of-Life Vehicles Directive, recyclability and heavy metal exclusion)

Typical usage ratio

• 85-100% Grilamid® TR 55 LX in single-material connectors
• Blended with up to 15% fiberglass for increased pressure ratings (where required by part design)

Downstream process integration

• Granule feeding into multi-cavity injection molding for mass production connectors
• Overmolding onto elastomeric seals for integrated leak-proof assemblies
• Ultrasonic or vibration welding for modular component assembly

Final product types

• Quick connector couplings for fuel lines
• Coolant pipe fittings
• Brake line connectors
• Low-emission vapor management assemblies

3. Medical Device Housings and Components

Diagnostic and analytical medical device OEMs specify this grade for its biocompatibility, sterilizability, and non-cytotoxicity. It supports injection molding of device housings, instrument covers, and transparent instrument trays used in point-of-care or laboratory environments. The material's chemical resistance allows frequent cleaning/disinfection with harsh hospital disinfectants, maintaining mechanical integrity and transparency after repeated sterilization cycles.

Industry compliance standards

• ISO 10993-5 (Tests for in vitro cytotoxicity)
• USP Class VI (Medical biocompatibility)
• ISO 11607-1 (Packaging for terminally sterilized medical devices)
• ISO 13485 (Medical device quality management system)

Typical usage ratio

• 98-100% neat resin in most device housings for transparency and mechanical resistance
• 0-2% color or laser marking additive (when traceability or branding required)

Downstream process integration

• Thermoplastic injection molding into precision-part cavities
• Cleanroom handling for assembly to minimize particulate burden
• Aseptic packaging or gamma sterilization as required by end client

Final product types

• Blood analysis instrument housings
• Point-of-care diagnostic meter covers
• Transparent cuvette racks and microplate holders
• Hospital sterilization tray inserts

4. Electronics & Electrical Insulation Structures

Manufacturers in the electronics sector demand stable insulating polymers for micro-connectors, sensor housings, and transparent insulating parts. This polyamide enables fine-feature molding required for connector pins, minimizing the risk of electrical tracking or breakdown under humidity and thermal cycling. Stable dielectric properties, together with hydrolysis and arc resistance, make it a preferred choice for miniaturized assemblies and transparent indicator parts.

Industry compliance standards

• IEC 60695-2-11 (Glow-wire test for plastics in electrical equipment)
• UL 94 V-2 to V-0 (Flammability ratings, depending on additive package)
• IEC 60112 (Proof tracking index measurement)
• RoHS Directive 2011/65/EU (Restriction of Hazardous Substances)

Typical usage ratio

• 90-100% base resin for switch, relay, and sensor housings
• <1% anti-static or flame-retardant additive integration for elevated fire safety profiles

Downstream process integration

• Precision micro-injection for tight dimensional tolerance parts
• Integration with SMD or wire-insert overmolding processes
• Laser marking for traceability on miniaturized enclosures

Final product types

• Translucent electronic device covers
• Sensor housing modules
• Micro-connector insulating bodies
• Indicator light windows for control panels

5. High-End Consumer Water Filtration Components

The material’s resistance to hydrolysis and high clarity make it preferred for visible and critical water-handling parts in household and commercial filtration units. Its compliance with potable water contact standards allows manufacturers to produce transparent housings, filter bowls, and valve components that maintain strength and appearance even after years of exposure and repetitive cleaning or water hammer effects.

Industry compliance standards

• NSF/ANSI 61 (Drinking Water System Components — Health Effects)
• EU Regulation No. 10/2011 (Plastic Materials for Food Contact)
• KTW Guideline (German standard for drinking water contact)
• WRAS Approval (UK Water Regulations Advisory Scheme)

Typical usage ratio

• 95-100% neat resin in contact parts for clarity and hygienic performance
• Up to 3% UV stabilizer package for outdoor/external units

Downstream process integration

• Injection stretch-blow molding for large transparent filter bowls
• Direct injection for valve and manifold parts
• Ultrasonic welding for leak-proof assembly in complex geometries

Final product types

• Household and commercial water filter canisters
• Transparent filter housing bowls
• Valve and manifold bodies for point-of-entry installations
• Reverse osmosis system covers