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Black nano-sticker / Polyurethane , used for wireless charger.
The base material of 3R GEL is PET, which and Nano-absorption are used in industrial camera and speaker box.
See the technical datasheet below,
Item | Content | Technical requirement |
1 | visual | milk-white jelly like |
2 | PH value | 7-8 |
3 | viscosity(20C) | Pa.s 80-100 |
4 | solids content% | 48±1 |
5 | coating amount g/m2 | 12-16 |
6 | peel strength N/25mm | 2.3 |
7 | peel strength after 24 hours, N/25mm | 2.3 |
8 | peel strength after 100 times, N/25mm | 1.0 |
9 | glue transfer or not after 24 hours | no on the base material |
10 | total volatiles(voc), g/L | ≤2 |
11 | benzene, g/L | 0 |
12 | free formaldehyde, g/kg | 0 |
13 | storage, months | ≥6 |