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Searched The Knowledge Base for "abrasives"
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Wear off dirt, stains, tarnish and hard water deposits by rubbing; fine particles are less abrasive, coarse particles are more abrasive.
Cautions-Can scratch and damage surfaces, making smooth surfaces rough and thus harder to remove dirt from, in future cleaning.
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Abrasive cleaning methods are responsible for causing a great deal of damage to historic building materials. To prevent indiscriminate use of these potentially harmful techniques, this brief has been prepared to explain abrasive cleaning methods, how they can be...
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If painted, use a solution of mild detergent and water, or a mild commercial cleaner whose label says it is safe for painted surfaces. Always rinse off solution. Wipe off excess water with a dry cloth. Do not use strong cleaners or scouring powder as these will damage the paint. If you plan to clean window frames, do it before cleaning window glass so solution does not spot glass panes.
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Successful graffiti removal from historic masonry depends on achieving a balance between breaking the bond between the graffiti and the masonry surface without damaging the masonry.
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Inappropriate cleaning and coating treatments are a major cause of damage to historic masonry buildings. While either or both treatments may be appropriate in some cases, they can be very destructive to historic masonry if they are not selected carefully.
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Use mild a detergent and warm water when possible. Alkalis, even baking soda, and especially stronger alkalis discolor aluminum. If trying a stronger cleaner, pre-test on a hidden place to be sure it cleans satisfactorily and does not damage the aluminum. Always follow directions on the product label for aluminum, EXACTLY.
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Wash in warm water using mild soap or detergent. Soaking pans in strong detergents, alkalies, and alkaline scouring powders causes discoloration. Do not use even mild alkali, such as baking soda to soak aluminum pans. Do not use harsh abrasives or scouring powders.
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Alcohol stains are caused by spilled drinks and by many medicines, lotions, and perfumes. Since alcohol dissolves many finishes, it is important to react quickly. Wipe up the spill quickly and rub the spot vigorously with your palm or with a cloth dipped in a small amount of furniture polish.
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Removing paints down to bare wood surfaces using harsh methods can permanently damage those surfaces; therefore such methods are not recommended. Also, total removal obliterates evidence of the historical paints and their sequence and architectural context.
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One of the best means of avoiding exposure to house-hold hazardous materials is to use safer alternatives whenever possible. Included in this section are time-honored recipes and suggestions to help you make the switch toward safer household products. Ingredients followed by instructions will guide you through an array of easy-to-make, easy-to-use safer alternatives.
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Searched The Knowledge Base for "abrasives"
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Found 21 matches
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