Foshan Haihua Surface Treatment Technology Co.,Ltd.

HAIHUA LW-50 Medium Temperature Sealing Additive (Solid)

Product Introduction

LW-50 is a light green powder which is for aluminum profiles oxidation film sealing treatment.

Bath Make-up:
Name	Quantity	Unit
LW-50	7	g/L
Deionized Water	Balance
Operating Conditions:
Name	Quantity	Unit
Ni²⁺	1-1.6	g/L
PH	6±0.5
Temperature	60±5	℃
Time	1μm /min
Characteristics:
1) After sealing, no sealing bloom.
2) Improve the surface gloss of aluminum profiles.
3) Film can be sticked right after sealing process, and not glutinous.
4) Improve the aluminum profiles resistant to acid and alkali capacity and anti-secondary pollution capacity.
5) Solution is stable and easy to operate.
Solution Maintenance:
1) Analyze the concentration of Ni²⁺ everyday. Control it in the required range.
2) Analyze the PH everyday and control it in the required range. Adjust with dilute aqua ammoniae if pH is lower, and adjust with glacial acetic acid if pH is higher.
3) Control the water quality and PH (PH> 4.5) of rinsing bath before sealing to avoid excessive impurities into the sealing bath.
4) Clean up the impurities of the bath bottom regularly.
5) The heating device is recommended to install on the bath wall, which can avoid precipitations and impurities covering the device top to affect the heating effect. It is also good for clean up the bath bottom.
Packaging and Storage:
Package: Carton (30kg/carton), plastic woven bag (25kg/bag)
Storage: Suggested to store in cool, dry and well ventilated place; away from fire and heat source.