Assertion: sunscreen's protection factor | /r/HasProperty | upf
Facets:
Source sentences:
text: Wear clothing made of tightly-woven fabric or sun protection clothing with an Ultraviolet Protection Factor (UPF) of 15 (good sun protection) to 50+ (excellent sun protection)
text: The ultraviolet protection factor (UPF) is a similar scale developed for rating fabrics for sun protective clothing.
text: A bright or darkly colored, tightly woven, long-sleeved swim shirt with an ultraviolet protection factor (UPF) is cost-effective protection over the long run.
text: These have been specially treated with colorless UV-absorbing dyes, and most offer an ultraviolet protection factor (UPF) of 50, which blocks both UVA and UVB.