RD9880U is the resin color developer of zinc salicylate with excellent colour development performance at low temperature and developa-bility at normal temperature. It can keep well speed colour and image density. RD9880U which has many advantages such as low viscosity and good adaptability could improve the low-temperature performance of carbonless copying paper . It is widely used in the production of high quality carbonless copying paper.
Physical and chemical indicators of RD9880U:
|
Items |
Indices |
Test methods |
|
Appearance |
Milk white emulsion |
Visual inspection |
|
Solid content, % |
≥ 45 |
Q/XRF 001-2007 |
|
Viscosity (25 °C), mpa.s |
20～200 |
Q/XRF 001-2007 |
|
Partial diameter distribution，% |
≥65 |
Q/XRF 001-2007 |
|
pH value |
4.0～6.0 |
Q/XRF 001-2007 |
|
Zinc content (dry base), % |
≥6.5 |
Q/XRF 001-2007 |
Note: The particle size distribution in this standard specially designated cumulative frequency of 0-1 μm.
Recommended use method:
The product is recommended to use by mixing with resin color developer 9870 series, and the proportion is 12%-25%. For the detailed process of preparing CF paste, please refer to the method of preparing CR paste of resin color developer.