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The table shows how the two systems rate high-brightness papers, but there is no simple way to convert between the two systems because the test methods are so different. [4] The ISO rating is higher and can be over 100. This is because contemporary white paper incorporates fluorescent whitening agents (FWA). Because the ISO standard only ...
Materials which are more difficult to remove include wax coatings on corrugated cartons and stickies, soft rubbery particles which can make deposits and contaminate the recycled paper. Stickies can originate from book bindings , hot melt adhesives , PSA adhesives from paper labels, laminating adhesives of reinforced gummed tapes , etc. [ 6 ...
Gather materials. To clean walls gently, according to Carpenter, you’ll need a mild detergent like Dawn dish soap, a Magic eraser, a bucket, water, sponges, and micro-fiber cloths for wiping ...
Paper chemicals designate a group of chemicals that are used for paper manufacturing, or modify the properties of paper. These chemicals can be used to alter the paper in many ways, including changing its color and brightness, or by increasing its strength and resistance to water. [1] The chemicals can be defined on basis of their usage in the ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 29 September 2024. Not to be confused with sodium chloride. Sodium chlorite The sodium cation Space-filling model of the chlorite anion Names IUPAC name Sodium chlorite Other names Chlorous acid, sodium salt Textone Identifiers CAS Number 7758-19-2 Y 49658-21-1 (trihydrate) Y 3D model (JSmol) Interactive ...
The main objective of cleaning is to achieve clarity of surface detail. [57] Books and documents may be subjected to different types of cleaning. Conservators may clean dust from paper and leather with a soft brush or cloths, a specialized vacuum cleaner, nonchemical vulcanized rubber sponges, or nonabrasive erasing materials such as vinyl erasers.
Pulp is a fibrous lignocellulosic material prepared by chemically, semi-chemically or mechanically producing cellulosic fibers from wood, fiber crops, waste paper, or rags. Mixed with water and other chemicals or plant-based additives, pulp is the major raw material used in papermaking and the industrial production of other paper products. [1] [2]
If you dilute it, you can also use Borax to clean bathrooms and kitchen surfaces (Undiluted Borax is too strong and abrasive for cleaning). The item has a 4.8-star average rating from 26,521 ...
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