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Is Titanium Dioxide Stable In Strong Alkali

Time of issue:

2025-05-16

Titanium dioxide exhibits good stability in strong alkaline environments.

Titanium dioxide exhibits good stability in strong alkaline environments. According to the latest data, its alkaline resistance rating is 8 (estimated to be a relatively high level according to industry standards), and it needs to meet high corrosion resistance requirements in electrochemical applications. ‌

The specific analysis is as follows:

Corrosion resistance performance parameters
According to the product parameters released by Koley Materials Co., Ltd. in 2025, the acid and alkali resistance scores of titanium dioxide are both 8 (usually the highest standard in the industry is 10), indicating that it exhibits good stability in strong acid and alkali environments.

Application scenario evidence
When titanium dioxide is used as an electrode material, it needs to meet the requirement of "high resistance to acid and alkali corrosion", and has been practically applied in electrochemical water treatment (such as strong alkaline wastewater treatment) and chlor alkali industry. The successful application of this type of scenario further validates its stability in strong alkaline environments.

Material characteristic advantages
The crystal structure (Magneli phase) of titanium dioxide endows it with high chemical inertness, while its complete non-magnetic and environmentally friendly non-toxic properties extend its applicability in complex chemical environments, including strong alkaline systems.

It should be noted that its alkaline resistance limit temperature is 600 ℃, and further testing and verification may be required under ultra-high temperature or extreme concentration of strong alkali conditions.