Polyamide 6 for Latches and Fasteners Examid PA6 2320NC

Description

Examid® PA6 2320NC is an injection-molding grade of polyamide 6 in natural color (NC — Natural Color, no colorants), optimized for serial production of latches, side-release buckles, snap-fit fasteners and hardware with dynamic engagement. Designation: 2320 — internal formulation index focused on the elastic deformation of snap elements, NC — natural color.

A dedicated grade for parts whose design relies on a spring-type latching mechanism: buckle tongues, snap-fit hooks, push-button latches. The balance of stiffness (to hold the lock) and elasticity (for repeated snapping without fatigue failure) is the critical engineering parameter for serial production of such hardware.

Typical parameters: density ~1.13 g/cm³, MFR ~20–30 g/10 min (275 °C / 5 kg), yield strength 55–70 MPa (dry), tensile modulus 2.5–3.0 GPa, elongation at break 50–150 %, Charpy notched impact strength 4–6 kJ/m² at 23 °C, Tm 220 °C, continuous service temperature −30…+80 °C. UL 94 V-2 (standard). Natural color — a base for masterbatch coloring.

Key advantages

• Balanced resilience for snap-fit designs — 1000+ engage/release cycles without fatigue failure of the tongue
• High locking strength — parts withstand operational holding loads without slipping or self-release
• Natural color (NC) — a base for masterbatch coloring to brand colors (black, white, colored)
• Resistance to oils, gasoline, diesel and dilute alkalis
• Impact resistance during fastening and service
• Standard UL 94 V-2 — meets hardware flammability requirements in most household and automotive applications
• Compatible with standard PA6 tooling — low retooling cost

Limitations

• UL 94 V-2 — not for FR-critical electrical hardware (for V-0, see dedicated PA6 FR / PA66 FR grades)
• The high water absorption of PA6 (~9 %) — parts change dimensions in high-humidity environments; verify critical snap-fit joints for geometric deviations under service conditions
• Continuous service at temperatures above 80 °C is not recommended — for high-temperature hardware see PA66 2320 or Examid® PA66 NC

Applications

• Household appliances: lid latches for washing machines and dishwashers, refrigerator door hinges, push-button latches of household appliances, dust-container buckles of vacuum cleaners
• Furniture hardware: buckles for upholstered furniture fittings, drawer latches, snap-fit fasteners for shelves and racking systems
• Sports equipment and gear: buckles for backpacks and tactical gear, helmet buckles, latches for sports equipment, strap systems
• Automotive interior: interior trim clips, snap-fit elements of instrument panels, latches for trays and cup holders
• Electrical hardware: latches for switch faceplates, push-button elements of remote controls, housings with opening service-access covers
• Construction hardware: elements of modular cable ducts, snap-fit skirting boards, snap-on decorative trims
• Industrial packaging: snap-lock reusable transport containers, buckles for packaging hardware

Global equivalents: BASF Ultramid® B27 LN MI / B3WG3 LN MI, Lanxess Durethan® B 30 SK, DOMO Domamid® 27HI, Toray Amilan® TY-500. Examid® PA6 2320NC is the MW position for serial production of snap-fit hardware and latches.

The stated values are measured by in-house methods close to the corresponding ISO and GOST standards. The information is for reference only and does not constitute an official batch technical data sheet. Please request the TDS and MSDS for a specific batch before industrial use.