Scrap er ˈskreɪpə ər noun countable a tool used to remove something from a surface by rubbing a paint scraper examples from the corpus scraper then either blow them or push them out of the way with the articulated scraper.
Scraper ceramics definition.
The mass of water absorbed by a porous ceramic material under specified conditions expressed as a percentage of the mass of the dry material.
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For example clay has chemically bonded water in it which will cause it to slake down disintegrate when a dried clay object is put in water.
Card scrapers are most suitable for working with hardwoods and can be used instead of sandpaper.
Scraping produces a cleaner surface than sanding.
Scrapers come in any number of shapes and sizes and may be carefully shaped and prepared or simply a pebble with a sharp edge.
It is used to manually remove small amounts of material and excels in tricky grain areas where hand planes would cause tear out.
It does not clog the pores of the wood with dust and does not leave a fuzz of torn fibers as even the finest abrasives will do.
Cone a ceramic pyramid that melts at a known temperature and is used to indicate the temperature of a kiln.
Once heated fired to between 660 and 1470 f 350 and 800 c the clay is converted to ceramic and will never dissolve again.
One important variety of scraper is the thumbnail scraper a scraper shaped much like its namesake.
Enamel a vitreous usually opaque protective or decorative coating baked on metal glass or ceramic ware not food safe.
It is used as a common quality control test used for both ceramic raw materials and ceramic bodies.
Scraper definition a person or thing that scrapes.
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Definition a bottle with spray attachment filled with water which is used to keep clay moist while working the clay.
Most scrapers are either oval or blade like in shape.
The working edges of scrapers tend to be convex and many have trimmed and dulled lateral edges to facilitate hafting.
Earthenware a low fire clay body usually fire to 04 06.
A card scraper is a woodworking shaping and finishing tool.
Technically ceramics are those things made from materials which are permanently changed when heated.
Cobuild advanced english dictionary.
