The main irritant effect of phosphotungstic acid is on the skin and eyes to irritate the skin and mucous membranes.
Generally slightly harmful to water bodies, do not allow undiluted or large quantities of product to contact ground water, waterways or sewage systems without treatment, and do not discharge materials into the surrounding environment without permission.
More details of tungstic acid product, please visit website: tungstic-acid.com
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Tel.: 86 592 5129595
