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Buffered Oxide Etchant
Buffered Oxide Etchant. BOE is a mixture of HF and NH4F in different proportions. HF is the main etching solution and NH4F is used as buffer. NH4F has a fixed concentration (H+) to maintain a certain etching rate. HF can erode glass and any silica-containing substances, and has a strong corrosive effect on the skin. If HF is accidentally splashed, it should be washed with plenty of water.
Product Name |
Buffered Oxide Etchant |
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Spec. |
G1-G4 |
CAS NO. |
HF 7664-39-3 |
Packages |
4L/20L/200L/1000L/13000L/20000L |
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PH Value |
6.5-7 |
Formula |
HF&NH4F |
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