The product
The adhesion promoter that goes under the Cemher systems. Used undiluted, it takes both absorbent and non-absorbent substrates, and it has a defined overcoat window — a minimum of 30 minutes and a maximum of 8 hours.
Where it is used
- Primer between finishes and substrates
- Primer over tiles, marble, metal or terrazzo
- Under microcement and lime plaster systems
Substrates
- Absorbent and non-absorbent mineral substrates
- Tile, marble, metal and terrazzo
Application data
Coverage, thickness, mix and cure, as declared by the manufacturer. Site conditions in the Gulf sit at the top of most of these ranges — allow for it in the programme.
| Type | Water-based resin, milky liquid |
|---|---|
| Consumption | 6 – 8 m²/L per coat, undiluted |
| Application | Spray, brush or roller, covering the surface well |
| Touch drying | 30 minutes |
| Overcoat window | Minimum 30 minutes, maximum 8 hours |
| Workability at 20 °C | Approx. 2 hours |
| Density | 1.04 g/cm³ |
| Viscosity | 10 – 11 s, Ford Cup 4 |
| Application temperature | 0 °C to 30 °C |
| Packaging | 1 L |
| Shelf life | 24 months, stored 10 – 30 °C, dry and ventilated |
Performance data
Every figure below is reproduced from the manufacturer's own technical data sheet, with the test standard it was measured against. The sheet itself is in the download section.
| Property | Result | Standard |
|---|---|---|
| VOC | Declared VOC content nil in the manufacturer's data sheet — content certificate available on request | Cemher data sheet |
| Toxicity / flammability | No | Cemher data sheet |
| Compatibility | Compatible with a wide range of Cemher products | Cemher data sheet |
Where not to use it
The limits are as much a part of the specification as the performance. Everything here is stated on the manufacturer's data sheet.
- To be used undiluted
- The first finish coat must follow between 30 minutes and 8 hours after priming
- Application range 0 °C to 30 °C
Primer: Cemher Primer 100 water-based adhesion promoter applied undiluted at 6–8 m²/L by [spray / brush / roller] to the substrate scheduled. First finish coat to be applied not less than 30 minutes and not more than 8 hours after priming. VOC content as declared in the manufacturer's data sheet.
Square brackets mark the choices that belong to the project. Send us the finishes schedule and we will return the clause completed, with the sample and mock-up programme against it.
Documents
Every document is the manufacturer's own, reproduced in full and unaltered under our cover. Free to download, no form.
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Primer 100 Primers and sealers · Technical data sheet · 8 pp · 0.7 MBDownload (PDF, 0.7 MB)
The rest of the primers and sealers range
Technical support for the design team
We supply the material and we apply it, so the specification and the workmanship sit with one party. Send a finishes schedule, an elevation or a mood board and we will come back with the system, the build-up, the sample programme and a completed clause.