Middle English saun; from Old French sanz (Fr sans) ; from Classical Latin sine, without: form influenced, influence by Classical Latin absentia, in the absence of, ablative: see absence.
Temperature rating is from -20Â°F to +300Â°F. Color is gray (black) or red and may be used on bleached paper. lines. Fluorocarbon (VITON) is not suitable for steam or hot water service. BUNA-N (HYCAR or Nitrile) - Buna-N is a general purpose polymer which has good resistance to oil, water, solvents and. hydraulic fluids. It also displays good compression, abrasion resistance, and tensile strength.
Para-aminobenzoic acid, or PABA, is a naturally occurring substance once thought to be a vitamin.Dubbed âvitamin Bxâ because of this, PABA forms part of the chemical structure of folate, a B vitamin. PABA is essential for the growth of certain bacteria and can be synthesized by some naturally found in the gut.Chemically, it is a common ingredient in sunscreen, and medicinally it is used to treat scleroderma, an autoimmune disease characterized by fibrous changes in the skin, muscles and other body organs.ara-aminobenzoic acid, or PABA, is a naturally occurring substance once thought to be a vitamin.