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Terumaito Processing (In-House Development)

The challenges of treatment on the inside of curved pipes or racking of small accessories had been difficult to do until now. Our special process on aluminum alloys provide a highly corrosion resistant coating

Terumaito Has Excellent Alkali Resistance
Alkali resistance test by electromotive force

SampleCoating Thickness (μm)Measured Values (sec)
12 3Average
Our Conventional Product 128.5404420422415
Our Conventional Product 228.6404389405399
Terumaito 13037322430783113
Terumaito 22217159614581757

Rating: Aluminium Products Association Testing and Research Center

Terumaito Has No Mass Reduction
Tested by chromic acid solution immersion test

SamplePre Test Specimen Mass (g)Post Test Specimen Mass (g)Mass Loss (mg)Test Specimen Area (dm2)Mass Decrease per Unit Area (mg/dm2)
Our Conventional Product 139.027739.009018.71.09617.1
Our Conventional Product 239.278339.256721.61.09619.7
Terumaito 13.73963.73960.00.9870.0
Terumaito 23.88373.88370.01.0330.0

Rating: Aluminium Products Association Testing and Research Center

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