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The term is usually applied to a narrow-boiling-range fraction of petroleum with volatility somewhere between that of gasoline and kerosene. There are many different types, some of which are listed below.
PETROLEUM NAPHTHA
A general term applied to refined or partially refined petroleum products and liquid products of natural gas which are distilled off in the temperature range of 177-238°C / 350-460°F.
PAINTER'S NAPHTHA
Also called naphtha, V.M. & P. - varnish makers' & painters', varnish makers' naphtha, petroleum spirits, petroleum thinner, mineral spirits, turpentine substitute, mineral thinner, mineral turpentine. Any of a number of narrow-boiling-range fractions of petroleum with boiling points of about 93-204°C / 200-400°F according to the specific use.
SOLVENT NAPHTHA
A term applied to aromatic solvents derived from coal tar. Information below applies to all naphthas listed.
Viscosity: Water thin
Remarks: Naphthas are used primarily as solvents for a variety of applications such as thinning paints and varnishes, as a source for certain petro chemicals.
Pump Notes: Cast iron construction s satisfactory. VitonŽ elastomers are recommended as is a mechanical shaft seal.