A composition for artificial marble, of the present invention comprises: a binder resin; an inorganic filler excluding zinc oxide; and zinc oxide, wherein the zinc oxide has a size ratio (B/A), in which peak A is a 370 nm to 390 nm region and peak B is a 450 nm to 600 nm region, of approximately 0.01 to 1 during photoluminescence measurement, and has a BET surface area of approximately 10 m.sup.2/g or less.

The present invention relates to an agglomerate abrasive grain made up of a plurality of individual abrasive grains which are bonded into an inorganic or organic binder matrix, wherein, based on the total weight of the agglomerate abrasive grain, at least 8% by weight of the abrasive grains which are bonded into the matrix are fused alumina-based polycrystalline alumina abrasive grains with a percentage of more than 97% by weight of alpha-alumina, and wherein the polycrystalline alumina abrasive grains, in turn, are made up of a plurality of Al.sub.2O.sub.3 primary crystals with a crystal size of between 20 μm and 100 μm. The agglomerate abrasive grain has a closed macroporosity with a pore volume of between 5% by volume and 30% by volume, wherein the average pore diameter of the closed macropores is between 10 μm and 100 μm and their maximum pore diameter is in the range of approx. 120 μm.

The present invention relates to an agglomerate abrasive grain made up of a plurality of individual abrasive grains which are bonded into an inorganic or organic binder matrix, wherein, based on the total weight of the agglomerate abrasive grain, at least 8% by weight of the abrasive grains which are bonded into the matrix are fused alumina-based polycrystalline alumina abrasive grains with a percentage of more than 97% by weight of alpha-alumina, and wherein the polycrystalline alumina abrasive grains, in turn, are made up of a plurality of Al.sub.2O.sub.3 primary crystals with a crystal size of between 20 μm and 100 μm. The agglomerate abrasive grain has a closed macroporosity with a pore volume of between 5% by volume and 30% by volume, wherein the average pore diameter of the closed macropores is between 10 μm and 100 μm and their maximum pore diameter is in the range of approx. 120 μm.

Various aspects disclosed relate to hybrid nanoparticles embedded in non-magnetic microparticles. These materials can be used to directionally orient and impart an ordered structure to a variety of materials.

Various aspects disclosed relate to hybrid nanoparticles embedded in non-magnetic microparticles. These materials can be used to directionally orient and impart an ordered structure to a variety of materials.

The present invention relates to a composition for the production of a sports surface, especially for equestrian sports, advantageously comprising at least 50% by mass of sand, optionally at least one filler, and at most 10% by mass of an organic coating comprising at least one flexible polymer A having a tensile modulus less than or equal to 1 MPa at room temperature, as well as a process for manufacturing such a composition.

An energy-saving building system using a porous silicate material for thermal insulation, comprises a foundation, a retaining wall body, and a roof system. The foundation comprises a ground ring beam and columns, and a porous silicate thermal insulation material is cast around the ground ring beam and the columns; the porous silicate thermal insulation material is composed of an organic lightweight aggregate and a lightweight inorganic matrix, and the lightweight inorganic matrix is provided thereon with a plurality of micropores; the retaining wall body comprises an outer wall disposed on the ground ring beam, the outer wall comprises an outer side support body, an inner side support body, and the porous silicate thermal insulation material cast between the inner and outer side support bodies, and the outer side support body and the inner side support body are connected therebetween by means of a heat insulating connection member.

An energy-saving building system using a porous silicate material for thermal insulation, comprises a foundation, a retaining wall body, and a roof system. The foundation comprises a ground ring beam and columns, and a porous silicate thermal insulation material is cast around the ground ring beam and the columns; the porous silicate thermal insulation material is composed of an organic lightweight aggregate and a lightweight inorganic matrix, and the lightweight inorganic matrix is provided thereon with a plurality of micropores; the retaining wall body comprises an outer wall disposed on the ground ring beam, the outer wall comprises an outer side support body, an inner side support body, and the porous silicate thermal insulation material cast between the inner and outer side support bodies, and the outer side support body and the inner side support body are connected therebetween by means of a heat insulating connection member.

A method for manufacturing a high-density tableware article includes the following steps. The first step is providing a polyester resin composition including 45 to 78% by weight of a blend resin and 20 to 50% by weight of an inorganic filler. The blend resin includes PET resin and PBT resin and the content ratio of PET resin to PBT resin in the blended resin by weight is from 1:0.86 to 1:4.8. The next step is granulating the polyester resin composition to produce plastic granules. The final step is molding the plastic granules into a tableware article.

A method for manufacturing a high-density tableware article includes the following steps. The first step is providing a polyester resin composition including 45 to 78% by weight of a blend resin and 20 to 50% by weight of an inorganic filler. The blend resin includes PET resin and PBT resin and the content ratio of PET resin to PBT resin in the blended resin by weight is from 1:0.86 to 1:4.8. The next step is granulating the polyester resin composition to produce plastic granules. The final step is molding the plastic granules into a tableware article.