Knowde Enhanced TDS
Identification & Functionality
- Chemical Family
- Technologies
Features & Benefits
- Ready-to-Use Product Features
- Features
- Stress absorbance
- Low modulus
- Excellent adhesion
- Silicon like flexibility
- Product Highlights
It offers low stress, low modulus, low extractable, optically clear UV-curable acrylate based adhesives. These adhesives have good adhesion to many type of substrates including hard to bond plastic substrates such as polystyrene, and they can be used in microplate assembly due to their compatibility with various cell lines.
Applications & Uses
- Applications
- Cure Method
- Coating Type
- Applications
- Plastic Films Laminating
- Optical Film Stack Bonding
- Glass Bonding.
- Uses
- Optical adhesive for fiber coupling bonding or bare fiber bonding.
- Optical adhesive for bonding glass to glass, plastic to plastic or plastic to glass.
Properties
- Color
- Physical Properties
- Typical Properties
- Cured Properties
- Uncured Properties
| Value | Units | Test Method / Conditions | |
| Elongation (25°C, 50% RH) | 300.0 | % | ASTM D638 |
| Tensile Strength (25°C, 50% RH) | 28.0 | Mpa | ASTM D638 |
| Young's Modulus (25°C, 50% RH) | 10.0 | Mpa | ASTM D638 |
| Value | Units | Test Method / Conditions | |
| Operating Temperature | -40 to 140 | °C | — |
| Value | Units | Test Method / Conditions | |
| Coefficient of Thermal Expansion [Above Tg (x10⁻⁶)] | 220.0 | °C⁻¹ | ASTM E831 |
| Coefficient of Thermal Expansion [Below Tg (x10⁻⁶)] | 90.0 | °C⁻¹ | ASTM E831 |
| Glass Transition Temperature (DMA) | 42.0 | °C | — |
| Hardness | 15 - 25 | Shore D | — |
| Outgas (Weight, per MIL-STD 883/5011) | 0.31 | % | — |
| Refractive Index of Cured Film (25°C, 1310nm) | 1.489 | — | — |
| Refractive Index of Cured Film (25°C, 1550nm) | 1.486 | — | — |
| Refractive Index of Cured Film (25°C, 589nm) | 1.502 | — | — |
| Shrinkage (Volume) | max. 1 | % | — |
| Appearance (Cured Adhesive) | Optically Clear | — | — |
| Value | Units | Test Method / Conditions | |
| Density | 1.1 | g/ml | — |
| Pot Life or Working Life (20 - 30°C) | 3.0 | months | — |
| Shelf Life (20 - 30°C) | 6.0 | months | — |
| Viscosity (25°C) | 6,500 - 7,500 | cps | — |
Technical Details & Test Data
- UV Curing Conditions
- Metal halide/Mercury UV: UV-A (320-400 nm), intensity: 50-1,000 mW/cm2
- or LED-365 nm, UV light intensity: 100 to 1,000 mW/ cm2
LED-365 nm UV intensity(mW/cm2 ) x time (sec) 100 20 sec or more or 200 10 sec or more or 300 7 sec or more or 400 5 sec or more or 500 4 sec or more or 1,000 2 sec or more Metal Halide/Mercury(UV-A: 320-400 nm)
UV intensity(mW/cm2 ) x time (sec) 50 20 sec or more or 100 10 sec or more or 200 8 sec or more or 500 2 sec or more or 1,000 1 sec or more For obtaining the best cured adhesive, the adhesive is recommended to be cured between two substrates or in the absence of air (cure in nitrogen or an inert atmosphere).
Depth of cure
- At depth of cure of ≥ 1 mm, a UV dose of ≥ 4 J/cm2 (200 mW/cm2 x 20 sec) is recommended
- UV-VIS NIR spectra
A200 20 micron cured film between glass substrates, air reference - no correction for surface reflection
