Silicones, silicone oils, sprays
Casting and potting resins)
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Technical Data
Typical values, not a specification. The technical data sheet (TDS) is binding.
Product Information
- Manufacturer
- Permabond Engineering Adhesives Ltd
- Brand
- Permabond
- Container
- 50 ml, 250 ml, 1 l
- Country of origin
- Italy
- UFI (Unique Formula Identifier)
- H6X0-104V-V00P-K19V
Performance at Full Cure
- Tensile strength (ISO37)
- 12-14 N/mm²
- Refractive index
- >1,490
- Elongation at break (elasticity) (ISO37)
- >98%
- Dielectric Strength
- 12 KV/mm
- Water absorption (ISO62) 2 hrs in boiling water
- <2%
Physical Properties
- Color
- colorless
- Chemical group
- Acrylate
- Viscosity (adhesives)
- Medium viscosity 500 - 5000 mPas
- Viscosity at 20 rpm
- 1000-1600
- Specific Gravity
- 1.1
Curing values
- Curing Wavelength
- 320-420 nm
Mechanical properties
- Hardness (Shore D)
- 50-65
Thermal Properties
- Storage Temperature (°C)
- 2-7
Product Description
Permabond UV683 is a UV-curing coating material specifically for doming applications — the optimal viscosity for 3D height effects on stickers, labels and smart card logos, also suitable for electronic encapsulation.
With a viscosity of 1,000–1,600 mPa·s, UV683 is medium-viscosity—the ideal consistency for creating 3D doming effects on stickers and labels using surface tension. Due to its viscosity, the adhesive remains centered on the surface being coated and cures to a transparent, tack-free dome.
The second main application is the encapsulation of electronic components with a higher layer thickness than that of the low-viscosity UV681. Both products share the properties of >98% light transmission, Tg 55 °C and wave soldering strength.
UV coating specifically for doming applications — the medium viscosity (1,000–1,600 mPa·s) is ideal for 3D doming effects on stickers, labels, and smart card symbols. Also suitable for encapsulating electronic components.
What distinguishes Permabond UV683
What is Permabond UV683 used for?
Processing
Recommended accessories
Important Notes
Which Permabond UV adhesive for which application?
Permabond UV683 in direct comparison with related products of the UV series.
Permabond UV683 Current Product | Permabond UV681 → | Permabond UV649 → | Permabond UV683 → | |
|---|---|---|---|---|
| Application | Doming UV coating (electronics / smart card) | Low viscosity for PCB coating | Adhesive instead of coating | Standard doming |
| Viscosity | 1,000–1,600 mPa·s | 80–120 mPa·s | 20,000–30,000 mPa·s | 1,000–1,600 mPa·s |
| Substrate Strength | — | Coating | PC/ABS | Doming |
| Elongation at break | >50 % | >50 % | >70 % | >50 % |
Frequently asked questions about Permabond UV683
Practical application and design questions — answered by SILITECH.
Permabond UV683 is an acrylate (UV-curing) adhesive with a viscosity of 1,000–1,600 mPa·s. It is used for UV coating applications such as smart cards, stickers, and labels. The adhesive cures upon exposure to UV light in the 320–420 nm spectral range, providing instant curing on demand.
Permabond UV683 cures in the spectral range of 320–420 nm. Standard mercury vapor UV lamps, LED UV lamps with a suitable wavelength, or UV light guide systems are all suitable. For LED lamps, the maximum wavelength of the LED must be matched to the curing spectrum of the adhesive—we are happy to advise you on selecting the right lamp.
Permabond UV683 typically cures in: 7 s with a 4 mW/cm² low-power lamp; 2 s with a 100 mW/cm² LED lamp; 1 s with a 30 W/cm² UV light guide system. The exact curing time depends on the layer thickness and the light transmittance of the components.
Permabond UV683 typically bonds glass, metals, and plastics. For substrate-specific strength values, see the Technical Data Sheet (TDS).
Permabond UV683 is a doming UV coating (electronics/smart cards) (1,000–1,600 mPa·s viscosity, >50% elongation at break). Permabond UV681 is a low-viscosity conformal coating (80–120 mPa·s, >50% elongation at break) — low viscosity for PCB coating.
When stored at 5 to 25 °C and protected from light, Permabond UV683 is stable until the printed expiration date. IMPORTANT: UV adhesives cure upon contact with light — always store the bottle in the dark and only open it briefly under UV-blocked light. Daylight-stable variants (e.g., UV675) can be used briefly under ambient light.
From the Permabond UV range, select according to substrate, viscosity, and special properties: Permabond UV683 (Doming UV coating (electronics/smart card)); Permabond UV681 (low conformal coating); Permabond UV649 (plastic gel); Permabond UV683 (current). For shadowed areas (where UV light does not fully reach the adhesive gap), a dual-cure variant such as Permabond UV7141 (UV + anaerobic) should be used.