Hydrofluoric Acid

The requirement

The publisher’s words are shown on request, below the limits.

What the product must meet

Exemptions

Small parts such as screws, hinges, bolts etc. are excepted from the requirements of this criterion unless they are parts that are intended to come into frequent contact with skin. For high-alloy stainless steel types a mixture of nitric acid and hydrofluoric acid solution (with hydrofluoric acid between 1 - 5 %) is acceptable.

The publisher’s words

How it is proven

Evidence required

DoC MS-2.6.1: Documentation showing absence of HF including the list for all acids and other substances used for steel pickling including SDS of each chemical; DoC MS-2.6.2: If an exception is claimed, a standard operating procedure (SOP) for the process in which HF is used outlining all key steps including storage and handling requirements shall be available as guidance for all users.

Who checks it

Independent body verifies — a certifier, auditor or verifier with no stake

How Klar Cite classifies it

Klar Cite’s reading of the clause, not the scheme’s own claim.

What it asks

Disclose — information the applicant must provide

Standing

Required — must be met for the credential

Impact area

Human Health — the CMF area the clause addresses

Also bears on

Social Health & Equity, Ecosystem Health — other CMF areas the clause addresses

Other clauses in this standard