Available in colorless to pale yellow form, Polyhexamethylene biguanide, PHMB is accessible in liquid form. It tastes bitter and its purity level is 20%. It can be stored for 24 months. This disinfecting chemical is water soluble and it is cationic by nature. It is suitable for household, industrial and clinical application purpose. Ph level of this liquid substance ranges between 4 to 5. Polyhexamethylene biguanide, PHMB has been formulated under controlled temperature to preserve its anti bacterial properties. Standard of this liquid has been verified on the basis of its composition, formulation method, effectiveness, shelf life, ph value, possible toxin content, etc.
PHMB (polyhexamethylene biguanide)
Test Parameter
|
Limit |
Result |
PHMB Appearance | Colourless to Pale Yellow, Clear or Almost Clear Liquid with not more than a trace of sediment | Passes |
ABS at 237nm (1%) | 400 | 535 |
ABS ratio (237 v 222nm) | 1.2 ~ 1.6 | 1.4 |
pH By Indicator | 4.0 ~ 5.0 | 4.6 |
PHMB Total Solids | 19.0% ~ 21.0% | 19.5% |
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