The SDS notes that contact with alkali generates heat

H318 Dangerous goods Non-dangerous goods — not regulated for transport HAZCHEM code Not applicable Poisons schedule Not applicable Do not use on Natural stone and other acid-sensitive substrates Incompatible with Strong bases

At the same time

natural stone and concrete

Extracta Pro is a carpet extraction detergent powder

3M 7500 Series Half Face Respirator - Large (7503) Base UOM:EACH The SDS notes that contactThe 3M 7500 Series is a reusable half face respirator facepiece built for repeated daily use. In this trade it is worn for mould remediation, fire and smoke damage restoration, chemical decanting, hard floor stripping and sanding, and any job where a disposable P2 is not enough. This listing is the large size, 3M part number 7503. The facepiece is bought once and maintained. Filters and cartridges are consumables and are ordered separately, which is