Title: +038=627.001-##001T_03-Fasadevasksystem NorAcon - International Code of Practice (ICOP).pdf
O.5.4.1.1 The Sun Protection Factor (SPF) is a number quantifying the effectiveness of sunscreens against UVB radiation. It is important to note that SPF is measured in the laboratory under standardized conditions, so caution should be used when estimating the time a person can actually stay in the sun. SPF may be rated not only in numbers (e.g. SPF 30) but also by description, intended to make the SPF system easier to understand:Low protection (SPF 6 to SPF 14);Medium protection (SPF 15 to SPF 29);High protection (SPF 30 to SPF 50);Very high protection (SPF 50 plus).O.5.4.1.2 SPF plays no part in protecting the body from harmful effects caused by UVA radiation. UVA protection in sunscreens is presented two ways. These are explained in O.5.4.2 and O.5.4.3.O.5.4.2UVA Protection Grade (PA)/UVA Protection Factor (UVA-PF)