Sillitin N 87 is our standard product with balanced properties.
- good mixing and dispersion properties
 
- good calendering properties
 
- long flow time, short vulcanization time
 
- low residual indentation
 
- less white scratch marks
 
- high surface quality
 
- high abrasion resistance
 
- good resistance to aggressive substances
 
| Product characteristics | Unit | Testing method | SILLITIN N 87 | 
|---|---|---|---|
| 
                                                                                             Color values L* 
                                                                                                                                        Color values a* 
                                                                                                                                        Color values b* 
                                                                                     | 
                                        acc. to CIELAB | 
                                                                                             94.0 
                                                                                                                                        1.0 
                                                                                                                                        9.0 
                                                                                     | 
                                    |
| 
                                                                                             Particle size D50 
                                                                                                                                        Particle size D97 
                                                                                     | 
                                        µm | acc. to ISO 13320-1 | 
                                                                                             3.5 
                                                                                                                                        17.0 
                                                                                     | 
                                    
| 
                                                                                             Residue > 40 µm 
                                                                                                                                 | 
                                        mg/kg | acc. to DIN EN ISO 787 part 18 | 
                                                                                             25 
                                                                                                                                 | 
                                    
| Volatile matter at 105 °C | % | acc. to DIN EN ISO 787 part 2 | 0.5 | 
| pH Value | acc. to DIN EN ISO 787 part 9 | 8.7 | |
| 
                                                                                             Density 
                                                                                                                                        Bulk density 
                                                                                                                                        Tamped density 
                                                                                     | 
                                        g/cm³ | 
                                                                                             acc. to DIN EN ISO 787 part 10 
                                                                                                                                        acc. to DIN ISO 903-1976 
                                                                                                                                        acc. to DIN EN ISO 787 part 11 
                                                                                     | 
                                        
                                                                                             2.6 
                                                                                                                                        0.30 
                                                                                                                                        0.50 
                                                                                     | 
                                    
| 
                                                                                             Spec. Surface area (BET) 
                                                                                                                                        Oil absorption 
                                                                                     | 
                                        
                                                                                             m²/g 
                                                                                                                                        g/100 g 
                                                                                     | 
                                        
                                                                                             acc. to DIN ISO 9277 
                                                                                                                                        acc. to DIN EN ISO 787 part 5 
                                                                                     | 
                                        
                                                                                             11 
                                                                                                                                        45 
                                                                                     | 
                                    
| 
                                                                                             Hardness silica/kaolinite 
                                                                                                                                        Abrasivity 
                                                                                     | 
                                        mg | 
                                                                                             acc. to Mohs 
                                                                                                                                        acc. to Einlehner 
                                                                                     | 
                                        
                                                                                             7/2.5 
                                                                                                                                        35 
                                                                                     | 
                                    
| Refractive index n | sin α / sin β | 1.55 | |
| 
                                                                                             Water solubility 
                                                                                                                                        Acid solubility 
                                                                                     | 
                                        % | 
                                                                                             acc. to DIN EN ISO 787 part 3 
                                                                                                                                        acc. to DIN 53770 (0,1 N HCL) 
                                                                                     | 
                                        
                                                                                                         < 0.5
     
                                                                                                                                                    < 1
     
                                                                                     | 
                                    
| 
                                             Chemical Analysis: 
                                                                                            SiO2 
                                                                                                                                        Al2O3 
                                                                                                                                        Fe2O3 
                                                                                     | 
                                        % | acc. to DIN 51001 (RFA) | 
                                             84 
                                                                                                                                        10 
                                                                                                                                        < 1 
                                                                                     | 
                                    
| 
                                             Mineralogical Composition: 
                                                                                            Neuburg silica 
                                                                                                                                                                                    Kaolinite 
                                                                                                                                        Other minerals 
                                                                                                                                                                             | 
                                        % | Based on X-ray diffraction pattern analysis combined with Rietveld | 
                                             65 
                                                                                                                                                                                    20 
                                                                                                                                        5 
                                                                                                                                                                             | 
                                    
In order to make available to you the most important information about our products at all times, you will find here the Material Specification.
The aspects to observe when working with our products are detailed in our Material Safety Data Sheet, which also can be downloaded.
All information about material characteristics, application fields and benefits can be found in this Technical Data Sheet and is also for download available here.