неутрална pH

неутрална pH

Offset papers manufactured with a pH of 6. 0 to 8. 0 on a scale of. 0 to 14. 0. Neutral pH factors are built into paper as a minimum value, to increase stability and improve permanence for use in printing of archival records.

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行业/领域：印刷及出版; 制造业
类别纸张; 纸制品
Company: Neenah Paper
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行业/领域：水体类别湖区

езеро

A body of relatively still fresh or salt water of considerable size, localized in a basin that is surrounded by land. Lakes are inland and not part of ...