Graphtol Black CLN
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Graphtol Black CLN is a pigment based black colorant not absorbing in the NIR light spectra. It exhibits excellent fastness properties and its suitability for various polymers, especially HDPE and PP. It has proven suitability for plastic sorting during the recycling process.
Benefits
- NIR transparent
- Black for recycling
Product Data
Physical and Chemical Properties
| Density | [g/cm³] | 1.87 |
| Bulk volume | [l/kg] | 3.3 – 6.7 |
| Average particle size | [nm] | – |
| Alkali resistance | 5 | |
| Acid resistance | 5 | |
| Specific surface | [m2/g] | – |
Fastness Properties
| HDPE | PP | PS | ||
| Pigment loading | [%] | 0.3 | 0.3 | 0.3 |
| Hue angle | [°] | 293.6 | 15.1 | 144.9 |
| L*-value | 27.4 | 27.3 | 30.6 | |
| Light fastness | (Full shade) | 8 | 8 | 8 |
| Heat resistance | SD 1/3 (Reduction) [°C] | 300 | 300 | 300 |
Applications
| Suitable | Limited suitability | Not suitable |
| PO | PS/ABS | PC |
| PVC/Rubber | PA | |
| POM | PET | |
| PUR | PET Fiber | |
| PP Fiber | PA Fiber | |
NIR Reflection Curve
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