  Spirit |
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| CHUO Black Color's | |||||
Chuo Black Color's is coloration which was developed for polyamide resin. Not like other pigment、it has staining properties which is distinctive and clear coloration. |
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| Name： | C.I.Solvent Black 7 | ||||
| Outlook： | Black Powder | ||||
| pH： | 4.5〜6.5 | ||||
| Ash： | below 2 (%) | ||||
| Moisture： | below 3 (%) | ||||
| registration to other countries | LCERMCS* | CAS | TSCA | EINECCS | |
| ○ | ○ | ○ | ○ | ||
| *Law Concerning the Examination and Regulation of Manufacture, etc of Chemical Substances | |||||
| The experiment of weathr resistance for cast board | |||||
| resin | dyestuff dopant | 50 hrs. | 100 hrs. | 150 hrs. | 200 hrs. |
| PC | 0.10% | 4-5 | 4 | 3-4 | 3-4 |
| PC | 0.05% | 4 | 3-4 | 3-4 | 3-4 |
| PA | 0.10% | 5 | 4-5 | 4-5 | 4-5 |
| PA | 0.05% | 4-5 | 4 | 4 | 4 |
| PMMA | 0.05% | 4 | 4 | 4 | 4 |
| testing machine： | Sunshine Carbon Arc Weather Ometer SUGA testing machine W E L300-L H |
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| testing method： | by JIS B-7753, B7754, A1415, D0205 | ||||
| testing time： | 150 hrs. | ||||
| testing method of deteriotation： | evaluate the condition every 50 hrs. with gray scale by visual test | ||||
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