Product Details

Magnesium Alloy Sheet

Product Description

A: Features of Standard Mg Plate

Magnesium is light metal, it’s ion exists widely in soil and water, and harmless to human body or environment.
The Magnesium plates was etched very fast, normally within 3 minutes in the new chemical.
Magnesium photoengraving plate is lightest between Brass and Zinc plate. Therefor the magnesium engraving plate is better to be pasted and stamped.
No deformation happen during hot stamping process. Fast temperature rising, the stmping rate is more than 120000 times.
Magnesium engraving plate is easier to be etched with a highest speed between Brass and Zinc engraving plate. Normally magnesium engraving plate is to be etched in 1 mm deepth within 7 seconds.
The surface hardness of the magnesium plates is very close to the cooper.
The magnesium plate after rolling with 3000 tons cold rolling mill and also 2500tons hot rolling mill, then do the tempering treatment, our plates with uniform thickness, the tolerance of thickness is near zero, the plates is no anisotropy, eliminate the internal stress of the plates.

B:Data details

Designation	Chemical Composition <
Designation	Al	Zn	Mn	Ce	Fe	Si	Cu	Ni	Mg
AZ31B	2.5-3.5	0.6-1.4	0.2-1.0	-	0.01	0.08	0.01	0.001	Balance
ME20M	0.20	0.30	1.3-2.2	0.15-0.35	0.05	0.10	0.05	0.007	Balance
MG99.95	0.01	-	0.01	-	-	0.01	0.05	0.007	Balance

Designation	Strength Properties
Designation	Thickness	Tensile Strength Rm (N/mm2)	Yield Strength σ0.2 (N/mm2)	Elongation A% 50mm
AZ31B	0.5-3mm	260	170	24
AZ31B	>3mm	230	140	18
ME20M	0.8-3mm	250	170	21
ME20M	>3mm	220	140	15

C: Features of Photoengraving plate

Magnesium photoengraving plate, come into the market in 1990’, was appreciated by its advantage. And then, the magnesium etching plate was adopt in some upscale and welcomed widely while the packing and painting industry developed soon. Recent years, also for magnesium photoengraving plate, due to the district requirement of environment and the heavy competitive, the down steam company have a higher requirement on the quality of the metal mould, so the magnesium photoengraving plate occupied the market a large part day by day, the quantity consumed by and the different application found out were growth rapidly. General trends, magnesium etching plate would replace the market of Brass and Zinc plate in the near future.

The photoengraving plates is made from process of multi-rolled, tempering, sanding, The sensitive glue in advance and Anti-corrosion paint back, coating,ect.
Our standard size: 500*1000mm, 610*914mm. other special size can be made based on.
Your requirement, normally thickness are 1.5mm 2.0mm 3.0mm 4.0mm 6.35mm 7mm.

D: Etching process

The technology of etching magnesium engraving plate is similar with that of Zinc engraving plate.
We here provide a term of parameter as below, please adjust in your local facility according your machine, your conditional temperature and water to get a better parameter.
40 L machine: 7 L Nitric acid (68Be), 1.5 L magnesium etch additive, 31.5 L water, temperature 28-30°C, 475r/m.
80 L machine: 14 L Nitric acid (68Be), 3 L magnesium etch additive, 63 L water, temperature 28-30°C, 475r/m.
Note: please adjust the parameter according the breadth and depth of magnesium engraving plate to be etched.

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