Chromium-free Membrane Additive
Chromium-free Membrane Additive:Eco-friendly & Multi-functional Alkaline Degreasing Additive
Chromium-free Membrane Additive is suitable for aluminum and its alloy powder coating pretreatment process.
Chromium-free Membrane Additive can effectively remove the natural oxide film, oil stain and floating sand on the surface of sand-blasted aluminum profiles, so as to obtain a clean, uniform, delicate and soft metal surface.
Chromium-free Membrane Additive
BS-H09 is on the basis of yellow chromium passivation agent, to cope with the eu ROHS directive and the development of a new type of passivation, which can effectively enhance the surface with coating film adhesion and corrosion resistance.BS-H09 does not contain any heavy metals, in line with the green environmental protection requirements, Can be used for spraying or soaking.
Bath Preparation：
| Name | Quantity | Unit |
| BS-H09 | 15-20 | g/L |
| Running Water | Balance |
Process Parameter:
| Name | Quantity | Unit |
| BS-H09 | 15-20 | g/L |
| Time | 30-60 | Sec |
| Temperature | room temperature | ℃ |
| PH | 2.5-3.5 |
Packing：25kgs/drum
Certification
