ＳＰＦ

noun

sun protection factor; SPF

Used in the context of sunscreen and cosmetics to indicate the level of UVB protection.

• この日ひ焼やけ止どめはＳＰＦ５０です。

  This sunscreen has an SPF of 50.

noun

sender policy framework

Technical term in email authentication; used in IT and network security contexts.

• ＳＰＦレコードを設せっ定ていして、なりすましメールを防ふせぎます。

  We set up an SPF record to prevent spoofed emails.

noun

spruce-pine-fir (lumber)

Industry term for a category of softwood lumber; used in construction and woodworking.

• この材ざい木もくはＳＰＦ材ざいと呼よばれています。

  This lumber is called SPF lumber.