Silicone & TR90
S M OpticalsSpectacle Frame Manufacturer · India Sales Desk+91-8047836571
S M OpticalsSpectacle Frame Manufacturer · India Explore our core product lines engineered to satisfy high-volume requirements for the Korean metropolitan eyewear market, featuring reinforced stainless-steel cores, hypoallergenic ergonomics, and precision CNC milling.
Full biocompatibility, nickel-release, & thermal resilience testing verification.
Fast direct engineering consultation handled by senior B2B dispatchers.
Ultra-accurate acetate lens groove depth eliminating cold-snap popping.
From polymide sports lines to high-density Italian/Mazzucchelli-grade acetate.
A technical examination of polymer density, dimensional stability under continental weather patterns, and the ergonomic geometry required by Korean ophthalmic standards.
Unlike rapid-injection plastic which warps under thermal stress, our premium optical sheet frames use cellulose acetate derived from cotton linters and wood pulp. After extrusion, sheet panels undergo a 60-day thermal stabilization and curing kiln cycle to release volatile plasticizers (DEP/DMP). This prevents temple shrinkage, frame bridge warping, and ensures structural integrity during harsh Seoul winters.
Prescription lens edging requires micro-tolerances. Our production floor uses customized multi-axis CNC routing systems to carve optical bevel channels within ±0.05mm. Whether accommodating high-minus 1.74 ultra-high-index lenses or thick progressive transitions favored by mature demographics in Seocho-gu and Gangnam, the lens groove eliminates tension stress that triggers peripheral chromatic aberration.
Mirror lustres cannot be achieved by automated tumbling alone. Our acetate frames undergo a sequential 3-tier finishing process: 48 hours of pumice and beechwood tumbling to eradicate tooling ridges, followed by rotary hard-cotton wheel buffing with specialized water-soluble wax, and concluding with meticulous manual finishing. This guarantees a glass-like tactile surface that resists sweat oxidation and cosmetic discoloration.
| Engineering Attribute | Standard Injection Plastic (PC/CP) | TR90 Polyamide Polymer | CE High-Density Optical Acetate (Our Factory) |
|---|---|---|---|
| Raw Material Origin | Petrochemical Synthetic Granules | Swiss Grilamid TR90 Resin | Natural Cellulose Flakes (Cotton/Wood Fiber) |
| Cold Weather Tolerance (-15°C) | High risk of brittle fractures | Good flexibility, low surface luster | Exceptional dimensional memory, zero stress cracking |
| Optician Heat Adjustability | Cannot be warmed or bent safely | Extremely difficult to reset temple bend | Fully malleable at 60°C–70°C for custom face profiling |
| Hinge Anchor Anchorage | Direct heat-staked (Low pullout force) | Molded insert (Medium durability) | Multi-barrel riveted / ultrasonic welded dual anchors |
| Surface Restoration | Non-repairable once scratched | Coating peels under abrasion | 100% buffable and polishable to like-new finish |
From the trend-setting retail avenues of Hongdae and Seongsu-dong to the medical-optical clinics of Gangnam, our acetate and hybrid frames seamlessly match localized consumer expectations.
Youth culture in Seoul requires expressive vintage-chunky silhouettes, transparent gradient crystal hues, and retro geometric keyhole bridges. Our double-color laminated acetate sheets provide local independent brands with distinct aesthetic character, supporting small-batch private labeling with distinctive wire core embossing and riveted hinge plaques.
White-collar financial and technology professionals in Seoul log intensive screen hours under dry heating systems. Combining lightweight acetate temple fronts with spring-loaded OBE mechanical hinges ensures gentle temporal clamping pressure, minimizing headaches and preventing frame slide during rapid transit transfers on Line 2 or Subway Line 9.
Post-refractive (LASIK/LASEK) and presbyopic patients require frames that reliably accommodate customized progressive lenses without optical axis deviation. Our deep-groove B-measurement acetate designs hold progressive glazing with zero frame torsion, backed by physiological nose-bridge contours that sit comfortably on Asian nasal anatomies without cheek pinching.
Navigating the transition toward biological polymer sustainability, Asian-fit ergonomic standardization, and strict medical device compliance under MFDS guidelines.
The South Korea Ministry of Food and Drug Safety (MFDS) and optical distribution bodies enforce strict chemical emission parameters. Our factory provides CE-marked frames certified under EN ISO 12870, verifying that all acetate sheets and metal inserts pass nickel-release rate limits (<0.5 μg/cm²/week) and contain zero toxic orthophthalates, ensuring smooth customs processing at Incheon.
Standard European bridge geometry (18mm–20mm span with shallow nose contact) frequently results in frame slippage on Asian facial features. Our Korean-dedicated acetate molds are engineered with reduced bridge spans (15mm–17mm), built-up steep nasal pads, and pantoscopic angles calibrated to 8°–10°, elevating the eye rims away from high cheekbones.
In trendsetting Seoul retail districts like Sinsa-dong Garosu-gil, consumer interest is surging for biodegradable and recyclable cellulose acetate. We utilize non-toxic, bio-based plasticizers derived from vegetable sources, delivering crystal-clear transparency, Champagne tones, and translucent horn motifs that satisfy both eco-conscious values and runway aesthetics.
Practical procurement insights, shipping lead times, customs documentation, and customization guidelines directly from our export sales division.
Bridging traditional hand-polishing craftsmanship with modern automated manufacturing tolerances.
Operated as an authenticated GST-registered Indian manufacturing unit (GST No. 27AILPM7839G1ZQ) established in Bhayander West, Thane, Maharashtra since July 2017. Buyers work directly with genuine factory leadership rather than unverified trading intermediaries.
Before packing, every single frame undergoes rigorous quality control checks: hinge resistance testing (minimum 20,000 continuous open/close cycles), surface finish examination under high-lumen optical lamps, and bridge alignment verification against precision steel jig gauges.
Overseen personally by Concern Person Dharamchand Maheshwari, our B2B export desk maintains an industry-leading 88% prompt response rate, guiding Korean procurement directors from initial model assortment planning to scheduled dispatch coordination.
Connect with our technical manufacturing division today. Request comprehensive physical samples, complete model specification sheets, or receive an immediate wholesale quote for volume container dispatches.
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