This part of ISO 12505 specifies test methods dealing with a face plate of skin barriers for ostomy aids.

It does not cover medical properties (cytotoxicity, sensitization, irritation/intracutaneous reactivity, buffering effect, microbiological effects, etc).

The test methods do not individually or collectively define or recommend a product of a specific design, style or size, and do not recommend medical affairs such as treatment, nursing, etc.