Hoá chất thụ động hoá inox Derphos Pass + , ASTM A967, A380
PRODUCT REF. 11.113 PASSIVATING STAINLESS STEEL
PRODUCT TYPE :
DERPHOS PAS+ is designed for passivating stainless steel without mechanical intervention for process that needs citric acid, in a eco-friendly way.
DERPHOS PAS+ takes effect alone, requiring no laborious and armful operations.
It contains two additives for fast and total passivating of oxides, as well as sequestration of dissolved metal ions.
DERPHOS PAS+ MUST BE USED AFTER removing graffiti spectrums with CLEANOX.
MAIN APPLICATIONS
Stainless steel passivation
INSTRUCTIONS FOR USE
Passivating: diluted solution of DERPHOS PAS + by 1:2
Use our DERPHOS PAS + in gel form for vertical surfaces for one to two hours.
Do not use the same dip tank for different types of metal.
PHYSICAL CHEMICAL PROPERTIES
aspect : yellow liquid
odour : mild density at
20°C : 1.29
pH at 20 % : approx. 1.5
active ingredient content : 62% %
surface stress at 20°C : 31 dynes/cm (at 20 % in hard water)
