Which
bond is commonly used in grinding-wheel?
Vitrified
bond
Silicate
bond
Shellac
bond
Resinoid bond
Vitrified
bond
●Standard
grinding wheel bonds are vitrified, resinoid, silicate, shellac, rubber and
metal.
●Vitrified
bonds are used on more than 75 percent of all grinding wheels.
Hence,
the correct option is (A).
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