Gel ink ball pens and refills - Documentary use (DOC) Ingestion-build-232773 there’s a growing volume of

there’s a growing volume of regulation across the world mandating how personal data should be handled in digital environments

It is not intended to apply to smaller signs that may be used in aircraft

The procedure has been replaced by a new method: it is no longer distinguished between hydrophilic and hydrophobic pigments

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NOTE This International Standard does not provide an absolute measure of the amount of ammonia present

Gel ink ball pens and refills - Documentary use (DOC) Ingestion-build-232773 there’s a growing volume of1 Scope This part of ISO 27668 establishes minimum quality requirements for gel ink ball pens (refillable or non refillable) and refills for documentary use. Basic requirements for gel ink ball pens for general use are given in ISO 27668 1.