Optical Grade
Wholesale Acetate Optical Eyeglasses Frames for Women Spectacle Frames
Pure Acetate
52□18-140
Hand-Polished
Engineered from premium layered cellulose acetate, cold-bent wire-core temples, and precision optical grooving compatible with modern automated glazing laboratories.
Why circular, retro-panto, and oval acetate geometries demand far higher structural calibration than standard rectangle frames when exposed to the Mediterranean climate.
Round frames present an inherent geometric challenge: without sharp corners, internal stress concentrations can cause lens warping if the raw material retains volatile plasticizers. Our factory subjects all natural cotton-seed derived cellulose acetate sheets to a minimum 90-day oven-curing and moisture equalization cycle.
Rather than stamping or injection moulding, every round frame front is precision-milled from solid 6.0mm, 8.0mm, or ultra-bold 10.0mm cured acetate slabs using specialized 5-axis German high-speed CNC spindle routers. This preserves the structural cross-linked molecular orientation of the sheet.
Chemical dipping and spray varnishes degrade rapidly under intense ultraviolet radiation. RTC Eyewear preserves authentic optical luxury through a dedicated four-stage barrel tumbling procedure using graded birch wood pegs, crushed walnut granules, and natural pumice paste.
From the high-fashion avenues of Eixample to the tech-driven coast of Poblenou, optical preferences in Catalonia reflect an iconic blend of architectural heritage and high-luminosity Mediterranean living.
Boutique opticians serving affluent residents and international visitors demand thick-gauge (8mm+) sculpted crown panto shapes. Consumers in this district gravitate toward architectural bevels, deep amber tortoises, and solid bespoke hardware reflecting Gaudiesque organic lines.
Independent design studios and design-conscious buyers favor keyhole bridges, matte Havana textures, and transparent champagne or smoky crystal acetates. Minimalist, understated round wire-core frames serve as daily personal branding for local architects and creatives.
Neighborhood optometry clinics emphasize sustainable provenance. Bio-cellulose acetate, hypoallergenic zero-nickel hinges, and vintage 1940s French panto silhouettes resonate strongly with the sustainability-focused, community-oriented demographic of Vila de Gràcia.
A high concentration of software engineers and corporate specialists creates immense demand for dual-purpose round optical frames equipped with blue-light filtering or magnetic clip-on polarized sun lenses designed for quick shifts from screens to coastal terraces.
Key shifts shaping procurement decisions across the Iberian peninsula: eco-acetate adoption, maritime customs velocity via Port de Barcelona, and optical glazing parameters.
| Feature Parameter | Standard Low-Cost Frames | RTC Industrial Whitepaper Standard | Barcelona Commercial Relevance |
|---|---|---|---|
| Raw Material Formulation | Recycled or low-grade injection plastic | 100% Virgin cotton cellulose acetate sheet | Hypoallergenic, sweat-resistant against warm Mediterranean salt air |
| Hinge Architecture | Glued or single-pin cast zinc hinges | Riveted 5-barrel or 7-barrel OBE-style German joints | Withstands frequent on/off temple stress in outdoor-indoor lifestyles |
| Bridge Contour Geometry | Universal shallow injection bridge | Anatomical keyhole bridge with contoured ramp | Prevents frame slippage during hot summers; distributes weight cleanly |
| UV & Heat Tolerance | Yellows and blushes within 6 months | Anti-UV stabilized dye pigments throughout section | Resists intense 300+ days/year sunlight without losing chromatic brilliance |
| Regulatory Traceability | Generic unverified marking | Laser-engraved CE, UKCA, batch codes to EN ISO 12870 | Complies fully with Spanish AEMPS healthcare & optical customs audits |
Operating at the intersection of artisanal mastery and automated volume throughput, we reduce supply friction between Chinese precision factories and European retail shelves.
From low-relief pad printing in bespoke Pantone shades to permanent high-definition diamond CNC engraving inside the temple arm, we turn raw acetate models into your proprietary Spanish house brand with zero factory branding visible.
We build products to endure. Our in-house QC laboratory subjects frame samples to rigorous mechanical fatigue cycles prior to bulk dispatch, completely satisfying EU Medical Device Regulation (EU MDR 2017/745) Class I requirements.
Shipping directly from modern Chinese manufacturing hubs to the Port de Barcelona (ZAL Port) and Josep Tarradellas Barcelona-El Prat Airport, our export team coordinates turnkey freight solutions to minimize tariff friction.
Answers to critical questions regarding minimums, EU homologation, lab glazing tolerances, and customized sample development cycles.
Yes. All optical frames and sunglasses manufactured at our plant meet the European Union Medical Device Regulation (EU MDR 2017/745) for Class I optical appliances, as well as the PPE Regulation (EU) 2016/425 for sunglasses. Frames are permanently etched with CE marking, and complete Technical Files (DoC - Declaration of Conformity, REACH test reports for cadmium, lead, and nickel release under EN 16128) are provided for seamless Spanish customs clearance via the Agencia Tributaria and healthcare audits.
Our round frame bevels are cut with high-speed multi-axis CNC milling heads calibrated specifically to standard 110-degree optical V-bevels. The inner eye-wire rim retains uniform depth (0.55mm to 0.65mm) and identical symmetry across both left and right rims. This ensures that computerized patternless edgers used by opticians throughout Barcelona can glaze CR-39, high-index (1.67/1.74), and polycarbonate lenses smoothly without requiring manual groove filing or inducing frame stress fractures.
For existing catalogue models adapted with custom logos, temple marking, and branded retail cases, our standard MOQ starts at 300 pieces per model (divided across 2 to 3 colorways, e.g., 100 Havana, 100 Black, 100 Crystal Honey). For completely new bespoke OEM shapes developed from your technical drawings or 3D files, MOQ is typically 500 to 1,000 pieces due to custom tooling and sheet batching. Tooling and prototype samples require 18 to 22 working days; mass manufacturing takes 40 to 50 days following sample sign-off.
Absolutely. We maintain a curated library of over 258 proprietary acetate sheets, including multi-laminate layers, demi-blondes, gradient mottle tortoises, and transparent jewel tones. Furthermore, for volumes exceeding 500 pieces, we collaborate directly with leading acetate sheet master colorists (including Mazzucchelli-compatible formulations) to compound custom color batches that match your brand's unique seasonal palette.
Our standard international terms for production runs are T/T (30% deposit upon order confirmation and approved pre-production sample, 70% balance upon visual and laboratory inspection prior to dispatch). We support L/C for larger container shipments. Logistics-wise, we deliver FOB Shenzhen/Hong Kong/Ningbo, CIF Port de Barcelona, or fully cleared DDP directly to your optical warehouse in Catalonia with all import duties (aranceles) and 21% IVA handled smoothly.
Simply click the "Send an Inquiry" button below to connect with our engineering export department. Share your target dimensions (Boxing standard: Lens width □ Bridge width - Temple length), preferred acetate shade, and vector artwork for branding. We issue a comprehensive CAD engineering drawing within 48 hours and dispatch physical tactile prototypes to your Barcelona offices via expedited air courier for fit, feel, and glazing verification.