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Ultra-low shrinkage and minimal stress development during UV curing for high optical clarity and dimensional stability.
Excellent adhesion to glass, sapphire, PMMA, polycarbonate, and ITO-coated substrates without primers.
High transmission (>99% @ 550 nm) and low haze (<0.5%) suitable for demanding display and sensor optics.
Fast, energy-efficient UV cure (typically <30 seconds under 365 nm LED at 1000 mW/cm²).
Outgassing-controlled formulation compliant with ISO 15023-1 for vacuum and space-grade optical assemblies.
Optical bonding of cover lenses to OLED/LCD displays in medical imaging and industrial HMIs.
Encapsulation and bonding of automotive HUD (Head-Up Display) combiner optics.
Assembly of biometric sensors (e.g., under-display fingerprint modules) requiring high transparency and reliability.
Wafer-level bonding of micro-optics and MEMS-based optical components.
UV-curable adhesive layer in AR/VR waveguide assemblies and near-eye display modules.
| Chemical Type | UV-curable silicone acrylate hybrid oligomer system |
| Product Form | Low-viscosity liquid (typical viscosity: 8,000–12,000 cP at 25°C) |
| Appearance | Clear, colorless to pale yellow liquid |
| Primary Applications | Optical bonding, lens mounting, display lamination, sensor encapsulation |
| Key Features | Low refractive index mismatch (~1.41), thermal stability up to 150°C (short-term), hydrophobic surface |
| Benefits | Reduces interfacial reflections, inhibits moisture ingress, enables reworkability pre-cure |
| Regulatory Compliance | RoHS 2015/863/EU compliant; REACH SVHC candidate list free (as of latest update); no intentionally added PFAS |
| Storage Conditions | Store at 2–8°C in unopened containers; protect from UV light and moisture |
| Common Compatible Systems | Suitability |
| 365 nm LED UV Curing Systems (e.g., Honle, IST Metz, Phoseon) | Highly Recommended – Optimized spectral match and rapid full-depth cure |
| Automated Dispensing Platforms (e.g., Asymtek, Nordson EFD) | Recommended – Compatible with needle dispensing (25–30G) and jetting systems |
| Cleanroom Class 100/ISO 5 Assembly Lines | Highly Recommended – Low particle generation and controlled outgassing profile |
| Plasma Surface Treatment (O₂ or Ar) | Suitable – Enhances adhesion on low-energy plastics; not required but beneficial for PC/PMMA |
Q1: What is the CAS Registry Number for DOWSIL VE-6001 UV_T?
A: The CAS number is 2467520-89-1. This identifier applies to the fully formulated commercial product as supplied.
Q2: What is the recommended bond line thickness (BLT) and typical dosage per cm²?
A: Optimal bond line thickness is 25–75 µm. Typical dosage is 0.015–0.025 g/cm² for a 50 µm BLT; precise volume control is advised via gravimetric or vision-guided dispensing.
Q3: How does VE-6001 UV_T differ from DOWSIL VE-6000 UV in performance?
A: VE-6001 UV_T offers higher transmittance (>99% vs. >98.5%), lower ionic extractables, and improved thermal cycling resistance (−40°C to +85°C, 1000 cycles) — optimized specifically for high-reliability optical interfaces where signal fidelity is critical.
Q4: Is VE-6001 UV_T compliant with USP Class VI and ISO 10993 for biomedical device use?
A: While not certified for direct tissue contact, VE-6001 UV_T has passed cytotoxicity (ISO 10993-5) and intracutaneous reactivity (ISO 10993-10) testing per Dow’s internal protocol. Full USP Class VI qualification requires end-user validation under final device configuration.
Q5: Are there known extractables or leachables under accelerated aging (e.g., 60°C/60% RH for 168 hrs)?
A: GC-MS analysis shows no detectable volatile organic extractables above 1 ppm under ICH Q5C conditions; total ionic extractables remain <5 µg/g after 168 hrs at 60°C/60% RH per ASTM D1388.
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E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
