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After two days, the treated leather was polished with a soft cloth. Hard leathers can be soaked in a solution of one part British Museum leather dressing: three parts Stoddard solvent. [4] British Museum leather dressing darkens leather, but it is a treatment with a good success record. [3] [4]
Stoddard solvent is a specific mixture of hydrocarbons, typically over 65% C 10 or higher hydrocarbons, [4] developed in 1924 by Atlanta dry cleaner W. J. Stoddard and Lloyd E. Jackson of the Mellon Institute of Industrial Research as a less flammable petroleum-based dry cleaning solvent than the petroleum solvents then in use.
Personal protective equipment for IDLH conditions: pressure-demand self-contained breathing apparatus with a full facepiece. If the concentration of harmful substances is IDLH, the worker must use the most reliable respirators.
Lestoil is a registered trade name of Clorox for a heavy-duty multipurpose cleanser product, used to remove extremely difficult laundry stains, dissolve water-based and oil-based paints, and clean grease, oil, paint, and adhesives from floors and surfaces.
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3. Words/phrases you might hear while taking a specific class. 4. The words in this category precede a common four-letter noun (hint: the noun typically refers to a small and elongated ...
For every 3 non-theme words you find, you earn a hint. Hints show the letters of a theme word. If there is already an active hint on the board, a hint will show that word’s letter order.
Techron consists of five components: [3] [failed verification] Distillates, hydrotreated light at 40-70% weight; Stoddard solvent at 15-40% weight; Solvent naphtha (petroleum), light aromatic at 5-10% weight; 1,2,4-trimethylbenzene at 1-5% weight; Polyetheramine (PEA) , polyether amines at 20-49% weight