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inferiorhuman • 01/17/2025 • 1 reply • view on HN

  mineral wool insulation aren't regarded as carcinogens
A quick look turned up one mineral wool SDS with a Prop 65 warning for formaldehyde.

https://www.jm.com/content/dam/jm/global/en/MSDS/20000000205...

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defrost • 01/17/2025

From your link:

SECTION 11. TOXICOLOGICAL INFORMATION

  IARC No component of this product present at levels greater than or equal to 0.1% is identified as probable, possible or confirmed human carcinogen by IARC.

  ACGIH No component of this product present at levels greater than or equal to 0.1% is identified as a carcinogen or potential carcinogen by ACGIH.

  OSHA No component of this product present at levels greater than or equal to 0.1% is identified as a carcinogen or potential carcinogen by OSHA
> warning for formaldehyde.

Trace amounts can possibly sweat out in specific conditions .. which is why you might choose to install with a vapor barrier.

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