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About Elistro Dealer Program ContactExplore eight market-ready, laboratory-grade frame references engineered with shape-memory metallurgy, medical-grade TR90 polymers, and precision cellulose acetate.
Engineered with high-tensile Grilamid TR90 memory polymer. Delivers near-zero temporal pressure and hyper-elastic flex fatigue endurance.
Integrated structural memory wirecore wrapped inside cured organic cellulose acetate, combining high dimensional stability with custom bespoke aesthetics.
Manufactured with vacuum-ion PVD deposition across biocompatible Beta-Titanium. Delivers superelastic deformation tolerance without cold embrittlement.
Impact-resistant wrap framework fitted with high-attenuation HEV radiation filters and spring-loaded memory temporal geometry for athletic stability.
Precision cast TR bridges and internal flexible hinge barrels engineered to maintain stable ocular alignment under severe torsion.
High-tensile memory structural core with balanced center-of-gravity distribution, specifically designed to relieve localized bridge cartilage strain during prolonged display interaction.
Hand-finished acetate front coupled with corrosion-resistant chrome accents. Reinforced internal structural skeleton ensures exact prescription lens bevel retention.
Rigid-core magnetic closure case engineered to safeguard flexible shape-memory eyewear from severe transit compression and depot climate fluctuations.
Procuring medical and ophthalmic frames demands strict adherence to European Union directives (MDR 2017/745 Class I Medical Devices) and international standards (EN ISO 12870:2018). Unlike standard electroplated nickel frames that experience work hardening and micro-crystallization fractures, genuine memory metal frames leverage superelastic Martensite-to-Austenite phase transformation under ambient dispensary conditions.
Compliance with EN 16128:2015 is mandatory for European market access. Premium memory frames utilize vacuum-arc melted Nitinol (Ni-Ti) or Titanium-Niobium alloys passivated with medical-grade multi-layer PVD coatings, guaranteeing nickel release limits well beneath 0.5 μg/cm²/week to prevent contact dermatitis.
The operational threshold of memory frames depends directly on the austenitic transformation finish temperature ($A_f$). High-tier manufacturing calibrates the $A_f$ temperature between 0°C and 10°C, ensuring that frames immediately return to their calibrated optical curvature without artificial heat intervention, even in sub-zero export environments.
A classic failure point in memory frames is lens displacement caused by bridge flexure. Our verified factories engineer deep-cut, cold-extruded V-grooves paired with high-recovery memory bridges, retaining uniform base-curve tension across $+6.00$ to $-10.00$ diopter lenses during aggressive 180° bridge rotations.
How progressive volume buyers, chain optometrists, and private-label distributors are restructuring their supply chain strategies to adapt to next-generation metallurgy and environmental legislation.
Stringent updates in the EU Medical Device Regulation are driving procurement shifts toward binary and ternary titanium-niobium-zirconium alloys. These eliminate nickel compounds entirely while matching traditional Nitinol's 8% recoverable elastic strain profile.
Digital dispensary integrations rely on standardized geometric frame measurements. Modern factories utilize automated laser profiling to achieve frame tolerances within ±0.15mm across 50-21-145 and custom regional bridge dimensions, slashing prescription return rates.
Combining the tactile richness of hand-finished cellulose acetate with high-elasticity internal memory bridges and temples. Consumers enjoy vintage luxury silhouettes alongside resilient structural retention that does not degrade over multiple seasons.
Built upon proven production methodologies—combining hand-cut, manually filed and polished fronts with automated CNC profiling, vacuum-ion deposition, and 100% individual piece bench inspection.
Every frame profile is cut, hand-filed, and softened at critical contact areas—specifically the bridge resting points and temple curves—ensuring unmatched long-wear ergonomic comfort before factory packaging.
Prior to shipment, technicians conduct multi-stage alignment checks: 500g temple splay calibration, 180° torsion reset audits, and acoustic ultrasonic wash sequences to eliminate polishing debris.
We supply complete counter-ready packaging: branded presentation shopping bag, rigid gift box, robust magnetic eyewear case, microfibre lens cleaning cloth, and factory authenticity warranty cards.
Direct technical answers addressing minimum order volumes, laboratory compliance, material certifications, and custom private-label manufacturing.
All production runs are audited according to EN ISO 12870:2018 (Ophthalmic optics – Spectacle frames). Batch-specific Declarations of Conformity (DoC), technical construction files, and independent laboratory test reports for REACH nickel non-release are provided with every wholesale shipment.
Yes. While Nitinol components automatically self-recover from bending, temple tips and bridge mounts are engineered with cold-workable malleable end-segments. Opticians can execute localized temple bend angles and pantoscopic tilt adjustments without thermal equipment.
For catalog-ready RTS models, delivery occurs within 7 to 14 working days. Custom OEM/ODM runs utilizing bespoke temple tooling, laser-engraved branding, and proprietary colorways require 35 to 55 days, with tiered MOQs starting at 300 pieces per SKU model across assorted colors.
Nitinol delivers the highest pure elastic deformation limit (up to 8% recoverable strain without permanent yield), making it ideal for high-stress bridge segments. Beta-Titanium provides an ultra-lightweight luxury finish with higher structural rigidity. TR90 offers high impact-damping at a competitive cost point.
Accelerate your retail margins with high-retention, fatigue-tested spectacle frames. Request comprehensive technical spec-sheets, physical counter samples, and current wholesale price breaks.
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