Derozink Silikon
Primer on phenylmethylpolysiloxan resin basis containing zinc dust
General information
Derozink Silikon
Field of application
- Protection against corrosion for iron and steel in high temperature areas
- Silicone resin primer in a multi-layer silicone system
Product properties
- Contents silicon
- Resistance to condensation
- Coating systems for corrosivity category C3
- Coating systems for high temperatures
- High surface hardness
- Fast drying
- Fast recoatability
Technical Specification
Derozink Silikon
| Colours |
grey.
Colour deviation (Colour deviations may occur in the range of high temperatures due to the restricted temperature resistance of the pigments) |
|---|---|
| Flash point | >23 °C |
| Temperature stability | Up to 400 (short-term up to 450) °C |
| Gloss | Mat |
| Potential dry film thickness in one working process | Up to 40 µm |
| Viscosity | Appr. 35 sec running time (DIN 4 mm pot) |
| Density in kg/l | 1,6 |
| Solid content in % | 71 |
| Solid volume in % | 47 |
| Theoretical spreading capacity |
|
| Recommended film thickness | 75 µm WFT corresponds to 40 µm DFT |
| Drying (DIN EN ISO 1517) | 40 µm DFT |
| Dust-dry (Tg1) | After 15 min |
| Touch-dry (Tg4) | After 30 min |
| Dry (Tg6) | After 40 min |
| Accelerated drying | 30 min., required at least 180°C |
| Interval for overcoating |
|
Note
- The specifications are based on standard atmospheric conditions 23/50, DIN 50014.
- Lower temperatures and/or higher humidity will prolong drying and hardening.
Safety information
Derozink Silikon
(See Security Data Sheet)
| VOC-level | Appr. 476 g/l |
|---|---|
| Solvent content | Appr. 29 % by weight |
| Aromatic content | Appr. 24 % by weight |
Storage
Derozink Silikon
Storage
- In dry, cool rooms, if possible frost-proof
- Ensure good ventilation
Shelf life
- 6 month from date of delivery when in unopened original containers in cool and dry conditions
Application methods
Derozink Silikon
Airless spraying
- Flow pressure 160 - 180 bar
- Nozzle size 0,009 - 0,011 inch (0,23 - 0,28 mm)
- Spraying angle according to the geometry and size of the object to be laquered
Compressed air spraying
- Can be applied as delivered
- Spraying pressure 5 - 6 bar
- Nozzle size 1,5 - 1,8 mm
Electrostatic application
- Application is not possible
Dipping
- Can not be applied as delivered
Other methods
- Roller and brush application for repair work is possible
Thinner
- Max. 5% Deripox-Verdünnung
Cleaning
- Rinse immediately with Deripox-Verdünnung
- Residues are dissolvable with Deripox-Verdünnung
Preparation of support
- Shot blasting to a purity according to SA 2½
- Mill scale, welding residues, dust and dirt on the surface which might reduce adhesion have to be carefully and thoroughly removed
General remarks
- During coating and drying the humidity should be min. 10 % / max. 85 %
- During coating and drying the environmental temperature should be min. 5°C / max. 30°C
- Object temperature at least 3° C above dew point.
Example for a system
- Primer coat: Derozink Silikon
- Finish coat: Derilux Silikon Alu
The general information and descriptions contained in this specification are provided to the best of our knowledge. Our information and specifications do not constitute warranted characteristics in the legal sense. Any advice for preparation and application which may be provided verbally, in writing or by means of experiments is of general nature only, and any property rights of third parties are also to be regarded in this context. Our general instructions do not release you from your obligation to check the suitability of the products supplied by our company for the intended methods and purposes of application. Particular in those cases when our supplied material will be applied with products from other sources. The products are prepared, applied and used outside of our sphere of control and thus fall solely within the user´s scope of responsibility.
Our general terms of sale and delivery apply as agreed.