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Spray Primer
The blaugelb Spray Primer is an adhesive agent based on a rubber dispersion for preparing the substrates for bonding the fleece-backed foils. It has an excellent adhesion-enhancing effect on standard construction substrates. The use of the blaugelb Spray Primer is advantageous in order to ensure proper bonding even on difficult substrates. Due to its short flash-off time, further processing can be carried out quickly.
The blaugelb Spray Primer also acts as a spray adhesive. During processing it shows very little “overspray” (unwanted fogging). The spray jet is focused, but wide enough to wet the surfaces. The spray jet can be individually adjusted with the variable spray head. The blaugelb Spray Primer is suitable for use in almost all seasons. It can also be used at slight negative temperatures (down to -5 °C).
Applications:
The blaugelb Spray Primer is ready to use and can be processed right away. It is ideal for use on façade parts and almost all standard construction substrates, for internal and external sealing of windows and doors. Ensure good ventilation during processing.
Substrates:
Highly suited for use on walls, soffits, floor slabs, foundations, balconies, underground car parks, terraces. Suitable for mineral, porous, absorbent, non-absorbent, sanding substrates, plastics, wood, metals.
Note: Substrates containing bitumen and plasticisers can reduce the adhesive strength of the blaugelb Spray Primer, in the worst case just a few weeks after application.
Suitable for mineral, porous, absorbent, non-absorbent, sanding substrates, plastics, metals:
| Substrate: | Compatibility, adhesion: |
| Concrete | very good |
| Cement | very good |
| Plasterboard | very good |
| Ytong, porous concrete | very good |
| Sand-lime brick | very good |
| Bricks, clinker bricks, hollow bricks (Poroton etc.) | very good |
| Plaster (e.g. base plaster on masonry) | very good |
| Liquid plastics | good |
| Rigid PVC | very good |
| Laminated-film PVC (e.g. Renolit) | very good |
| Wood, uncoated | very good |
| Wood, painted | very good |
| Polystyrene, EPS | very good |
| Bare aluminium | very good |
| Coated (painted) aluminium | very good |
| Anodised aluminium | very good |
| Bitumen | no |
Product benefits:
- Very good adhesion between substrate and foil
- Flashes off quickly
- Highly suitable on almost all substrates
- Very efficient (approx. 6 m² per can)
- With variable spray head valve system
- Free of aromatic components
- Very little “overspray” (unwanted fogging)
- Odourless
- Very simple processability
- Ready-to-use
- Compatible with the blaugelb Triotherm+ profile with short flash-off time ≤ 5 min
- Can be used on most standard construction materials*
*Carry out suitable pretests
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| Product name | PU | Item no. |
|---|---|---|
| blaugelb Spray Primer 500 ml | 12 x 500 ml | 9066539 |
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| Material base: | solvent-based rubber dispersion |
| Colour: | colourless |
| Curing system: | flash-off, drying by evaporation of solvents |
| Flash-off time: | approx. 5 minutes at +20°C and 50 % RH (at lower temperatures the flash-off time is longer, at higher temperatures it is shorter) |
| Density: | (at +20 °C) 0.7 g/cm³ |
| Applied quantity: | variable through steplessly adjustable valve; coverage approx. 6 m² per can |
| Processing temperature: | optimal: from +15 °C to +25 °C |
| Temperature resistance: | -25 °C to +70 °C, short-term up to +80 °C |
| Storage life: | 12 months in unopened original packaging, dry and frost-free at +5 °C to +25 °C. Protect against solar radiation and ensure good ventilation. |
| Delivery form: | 500 ml can |