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Loxeal 29 high-viscosity cyanoacrylate adhesive 20 g, black CA for flexible metal-to-rubber bonding and gap filling
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Description
Loxeal cyanoacrylate adhesive 29 (INSTANT-29) 20 g is a single-component, fast-curing CA adhesive with high viscosity, designed for flexible bonding of metals to rubber and other materials. It offers very high bond strength, excellent gap-filling capability and an extended open time, which allows precise alignment of parts before clamping.
Advantages and unique features
- High viscosity – provides good gap filling and prevents run-off on vertical surfaces.
- Very high tensile and shear strength after curing.
- Dedicated to flexible metal-to-rubber joints while also bonding many other substrates.
- Extended working time makes positioning and alignment of parts easier.
- Good fatigue resistance and high impact strength of the cured joint.
- Possibility to build thicker, rigid layers when used together with an activator.
- Low consumption – only a thin film on one bonding surface is required.
Properties and applications
- Substrate range: metals, glass, wood, plastics, cork, paper, stone and various rubbers.
- Metal-to-rubber bonding: ideal for dampers, seals, bumpers and other flexible joints.
- Small part assembly: suitable for precise assembly of small components and repair work.
- Gap filling: high viscosity enables filling of gaps of approximately 10–200 µm.
- Fast fixturing: fixture times typically range from a few to several tens of seconds depending on the substrate.
- Curing behaviour: full mechanical strength and chemical resistance are reached after about 24 hours at room temperature.
- Accelerated curing: curing can be significantly shortened by using suitable activators.
Technical data
| Parameter | Value |
|---|---|
| Chemical type | modified ethyl cyanoacrylate |
| Colour | black |
| Viscosity (25 °C) | 500–1500 mPa·s |
| Density (20 °C) | approx. 1.06 g/cm³ |
| Flash point | > +80 °C |
| Recommended joint gap | 10–200 µm |
| Tensile strength | approx. 18–25 N/mm² |
| Shear strength | approx. 13–18 N/mm² |
| Service temperature range | -50 to +80 °C |
| Packaging | 20 g plastic bottle |
| Storage | up to about 6 months at +8 to +28 °C |
Storage recommendations
Store Loxeal 29 in its original, tightly closed bottle in a dry, cool place at temperatures between +8 and +28 °C. Protect the container from direct sunlight and heat sources. After each use clean the nozzle and close it immediately. Keep away from moisture, foodstuffs and out of the reach of children.
FAQ
What is Loxeal 29 mainly used for?
It is primarily intended for flexible bonding of metals to rubber but also bonds metals, glass, wood, plastics, cork, paper and stone.
How fast does the adhesive cure?
Fixture times range from a few to several tens of seconds depending on the substrate, while full strength is typically achieved after about 24 hours.
Can Loxeal 29 fill gaps?
Yes, thanks to its high viscosity it can fill gaps of approximately 10–200 µm between mating parts.
What is the service temperature range?
The cured bond maintains its properties between approximately -50 and +80 °C.
Can the curing process be accelerated?
Yes, appropriate activators can be used to shorten the curing time and build thicker, rigid adhesive layers.
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