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Plus, how to protect your crew from concrete burns
How to protect yourself when working with fresh, wet concrete
When working around fresh, wet concrete there is always the potential for concrete to come into direct contact with your skin and eyes. Contact of the skin with fresh concrete, mortar, or grout can lead to severe burns and are a hidden danger to anyone who works with, or around these materials.
Causes:
Abrasive sand contained in fresh concrete is abrasive to bare skin
Basic and Portland cement is alkaline in nature, so wet, caustic concrete and other cement mixtures are strongly basic (pH of 12 to 13). Strong bases – like strong acids – are harmful, or caustic to skin
Drying Portland cement is hygroscopic – it absorbs water. In fact, Portland cement needs water to harden. It will draw water away from any material it contacts, including skin.
The lime in concrete can cause serious burns.
The combination of wetness, chemical corrosiveness and abrasiveness can result in Dermatitis.
