Polyamino Polyether Methylene Phosphonate (PAPEMP)

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CAS No.  130668-24-5
Relative molecular mass: about 600
Structural formula:

1.Performance and usage
PAPEMP is the latest generation water treatment agent with high chelating and dispersing properties, high calcium tolerance and excellent scale inhibition properties. This agent can be used as a scale and corrosion inhibitor in circulating cooling water systems, and is especially suitable for high hardness applications, high alkalinity, high pH circulating cooling water system and oil field water treatment. It has excellent scale inhibition performance for calcium carbonate, calcium phosphate and calcium sulfate. It can effectively inhibit the formation of silicon scale and has good stabilizing effect on metal ions such as zinc, manganese and iron.
PAPEMP can be used as membrane scale inhibitor in reverse osmosis systems, be used as scale and corrosion inhibitor in systems with high salt content, high turbidity, and high temperature such as multi-stage flash evaporation systems and water systems in coal gasification systems, and textile printing and dyeing auxiliaries, papermaking auxiliaries (yellowing inhibitors), it can replace EDTA, DTPA, NTA etc. to use.

2.Technical indicators

Items	Index
Appearance	Light yellow to yellow transparent liquid
Active component, %	≥ 40.0
Phosphoric acid (as PO43-), %	≤ 1.0
Density (20℃), g/cm3	1.15-1.25
pH (1% water solution)	≤ 2.0

3.Using Method
For PAPEMP , the normal dosage is 5-100mg/L, it is dfferent with other agents, the more dosage of PAPEMP, the better effect will be. It can also be used in combination with polycarboxylic acid, etc. High dosage can achieve high concentration multiple operations.

4. Packaging and storage
Liquid: 25kg or200kg per plastic barrel;
Store in a cool and ventilated place indoors, storage period is 1 year.

5. Safety protection
This product is acidic. Pay attention to labor protection during operation. Avoid contact with skin, eyes, etc. After contact, flush with plenty of water immediately.

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