Abrasive article comprising mullite
First Claim
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1. A low-density abrasive article comprising:
- an open, porous, lofty, nonwoven web having a relatively planar first major web surface and a relatively planar second major web surface;
a binder; and
a multiplicity of fused mullite abrasive particles non-uniformly distributed throughout said nonwoven web and bonded to said nonwoven web by said binder wherein the abrasive particles each have a particle size between about grade 4 to grade 36.
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Abstract
A low-density abrasive article comprising a nonwoven web and a multiplicity of abrasive particles which are bonded to the nonwoven web by means of an adherent binder. Abrasive particles useful in the present invention have particle sizes between about grade 4 to grade 36 and are made of an abrasive mineral having a Mohs hardness of less than about 8. The abrasive particles are preferably made of synthetically manufactured fused mullite. The low density abrasive article is particularly suitable for removing stock from a carbon steel workpiece.
122 Citations
24 Claims
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1. A low-density abrasive article comprising:
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an open, porous, lofty, nonwoven web having a relatively planar first major web surface and a relatively planar second major web surface; a binder; and a multiplicity of fused mullite abrasive particles non-uniformly distributed throughout said nonwoven web and bonded to said nonwoven web by said binder wherein the abrasive particles each have a particle size between about grade 4 to grade 36. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23)
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24. A low-density abrasive article comprising:
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an open, porous, lofty, nonwoven web; a binder; and a multiplicity of abrasive particles bonded to said nonwoven web by said binder wherein the abrasive particles consist essentially of fused mullite having a particle size between about grade 4 to grade 36.
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Specification