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RD9870 is a resin color developer of modified zinc salicylate with some characteristics of phenolic resin. The advantages of RD9870 lie in the rapid color developing and the good aging resistance. Compared with other similar products, RD 9870 has many advantages such as simple application, easy formula and good adaptability, which is widely adopted in the industry of carbonless paper at home and abroad.
CF paste process: add and stir water in the tank, then put into the dispersant and solid materials and mix to keep even distribution at the high speed. Slow down the stiring speed to add the prepared starch gum and then mix for 15-20 mins. The next step is to adjust PH value to 8.0-8.5 and pour into the resin color developer slowly, mix them for a certain period to get the even distribution. Finally add SBR latex slowly and mix the paste for 15-20mins. The PH value of the prepared CF paste is 7.0-7.5.
Milk white emulsion
Solid content, %
Viscosity (25 °C), mPa.s
Particle diameter distribution, %
Zinc content (dry basis), %
Note: The partial diameter distribution in the standard specially refers to cumulative frequency of 0-1μm.
1. plastic barrel package (220 kg/barrel) or customization according to the client’s request. The package should avoid colliding with edge tool to prevent leakage.
2. Transportation: motor, train and sea , or customization according to the client’s request.
3. The storage and transportation temperature required 0-50 °C. The shelf life is 6 months.
4. This product is non-toxic and no corrosive. If it contacts with the skin carelessly, rinse with detergent and water thoroughly.