Preferred Dongguan Shengjie SJ-305 aluminum passivation agent

Product Description: SJ-305 aluminum passivation agent 1. Introduction SJ-305 aluminum passivation agent is a liquid aluminum passivation agent, by spraying or dipping the aluminum surface a layer of silver corrosion passivation layer. The product does not contain chromium ion damage to the environment, it is a green product. 2. Operations Overview 1000 liters of chemicals formulated bath SJ-305 aluminum passivation agent (soak)? 50-80 L SJ-305 aluminum passivation agent (spray]? 40-60 L 3. degreasing processes A. B. C. washed with SJ-305 aluminum passivation agent bath passivation D. E. washed with pure water and dried 4. F. parameters PH 3.8- 4. 8 total acidity 2- 5 ml Temperature 15-40 ℃ Time 2-10 minutes spraying pressure 0.5-1.5 BAR 5. Equipment Equipment exposed to the bath tank applications of stainless steel or lined with rigid PVC material spray pump, piping, heating systems and other needs made of stainless steel. 6. Test and control the total acidity of the bath into the 100 ml conical beaker, 3-5 phenolphthalein indicator, then titrated with 0.1 N NaOH solution, from colorless to pink bath Seji up .. end milliliters of NaOH titrant consumed, that is, to increase the number of points of free acidity 1.0 Total acidity: per 1000 liters bath, adding 25L SJ-305 aluminum passivation agent 7. Notes the work of the bath is weak acid, may be irritating to the eyes, the skin in case of contact: Eyes: Immediately flush eyes with water directly at least 15 minutes, while eyelids open to ensure that the eyes and eyelids thoroughly washed, and then the skin treatment: while removing contaminated clothes and shoes, wash immediately with plenty of water for at least 15 minutes, wash clothes seek medical attention immediately.