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OCI Company Ltd.
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OCI - Model Semi-H3PO4 -High-purity Phosphoric Acid

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OCI produces the high-purity Phosphoric Acid required in semiconductor production.

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semiconductor wafer
semiconductor

Usage

Semiconductor wafer etchant material, LCD Etchant Material

Production Process

P4(yellow phosphorus) is combusted and undergoes hydration and refinement to produce Phosphoric Acid (75%, 85%). Additional refinement is executed to produce high-purity Phosphoric Acid for semiconductors.