Manufactured by STK Tape, these premium Optical Lens Tapes deliver identical mechanical shielding and anti-slip axis security as the benchmark brand, but with a highly optimized cost framework and rapid commercial turnaround.
Performance Features
By migrating to STK's high-performance Optical Lens Tapes, lens laboratories and optical component fabricators secure an absolute production advantage:
Perfect 3M 1640 / 1641 Drop-In Performance: Matches the critical thickness, surface tack, and tensile properties of the original 3M tapes, requiring zero adjustments to automated taping and peeling machines.
Anti-Slippage Axis Lock (Zero Torque Twist): Delivers superior lateral shear resistance, locking the lens blank securely onto the generator chuck or alloy block to eliminate geometric axis shifting and scrap rates.
Micro-Scratch Surface Armor: Behaves as a durable protective skin against hard glass swarf, heavy mechanical clamping pressure, and hot metallic blocking alloys.
Excellent Fluid & Chemical Resistance: Fully repels heavy industrial water coolants, ultrasonic cleaning line detergents, and aggressive cerium oxide polishing slurries without losing its grip.
TDS
| Model (STK) | STK Optical Lens Tapes | |
|---|---|---|
| Similar Products | 3M 1640 | 3M 1641 |
| Product Name | Optical Lens Tapes | Optical Lens Tapes |
| Thickness (mm) | 0.080 (±5%) | 0.080 (±5%) |
| Adhesive Matrix | Controlled Low-Tack Acrylic | Controlled Low-Tack Acrylic |
| Backing Material | Conformable Polymeric Film | Conformable Polymeric Film |
| Color | Translucent Clear | Blue |
| Liner Type | Self-Wound / Linerless | Self-Wound / Linerless |
| Adhesion to Steel (N/25mm) | 0.8 to 2.5 | 0.8 to 2.5 |
| Residue Performance | 100% Clean Peel / Zero Haze | 100% Clean Peel / Zero Haze |
| Slurry Compatibility | Fully Immune | Fully Immune |
Application
STK Tape manufactures these specialized alternatives to address specific high-volume ophthalmic processing steps:
Rx Lab Prescription Lens Surfacing: Protecting organic resin, polycarbonate, and mineral glass blanks throughout digital backside grinding, generating, and fining stages.
Automated Lens Edge-Finishing (STK-1641 Blue): Providing high visual contrast and extreme axis stability while finished single-vision or progressive lenses are wet-shaven or dry-cut into final frame profiles.
Smart Device Camera & Sensor Lens Processing: Surface protection for miniature glass lens arrays, AR/VR headset lenses, and automotive LiDAR camera elements during precision dicing and anti-fingerprint (AF) dipping tracks.
Alloy Blocking Surface Barrier: Acting as an thermal and physical isolation shield on the lens face prior to receiving hot low-melting-point metal alloy blocks.
High-speed automated lens edgers and computerized taping systems require perfectly wound rolls with clean edge profiles to prevent line disruptions. STK Tape directly optimizes your manufacturing pipeline:
Precision Custom Roll Slitting: STK custom-slits master logs down to standard optical lab industry widths (e.g., 24mm, 35mm, 50mm, 75mm, 100mm) with perfectly flat, non-telescoping faces that guarantee smooth tension control.
Custom Die-Cut Protective Pads: Beyond standard rolls, STK can convert these Optical Lens Tapes into custom elliptic pads, circular shields, or specific geometric gaskets directly matching your lens diameters, complete with easy-peel pull tabs.
B2B Supply Chain Cost Optimization: By implementing STK's premium alternatives, B2B buyers significantly bypass long brand import lead times and high brand premiums, backed by our massive wholesale master log inventory.
Global Lead Times
Industrial Packaging
Packaged in vacuum-sealed moisture-barrier cartons, securely stacked onto heavy-duty pallets to protect delicate pure adhesive edges from pressure deformation or humidity during overseas transit.
Standard Dispatches
Warehouse stock configurations are checked, packed, and loaded for shipping within 3–5 working days with complete GHS MSDS data sheets.
Custom OEM Slitting Orders
Custom roll widths or specific long-length spools are slit, quality-audited via digital calipers, and dispatched within 10–14 working days post blueprint lock.
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