The invention discloses a borosilicate glass with high chemical resistance and an application thereof. The borosilicate glass contains 0.25-4.0 wt % of Y.sub.2O.sub.3 based on the oxide. The borosilicate glass has a high chemical stability, a suitable linear thermal expansion coefficient and is suitable for use in the field of pharmaceutical packaging materials.

The invention discloses a borosilicate glass with high chemical resistance and an application thereof. The borosilicate glass contains 0.25-4.0 wt % of Y.sub.2O.sub.3 based on the oxide. The borosilicate glass has a high chemical stability, a suitable linear thermal expansion coefficient and is suitable for use in the field of pharmaceutical packaging materials.

A composite product comprising a metakaolin-based mineral polymer. The composite product has a number of applications including use as a fire resistant material, use as a thermally insulating material and use as an impact resistance material. Methods of preparing a composite product according to the present invention and a kit of parts for preparing the composite product are also disclosed.

A composite product comprising a metakaolin-based mineral polymer. The composite product has a number of applications including use as a fire resistant material, use as a thermally insulating material and use as an impact resistance material. Methods of preparing a composite product according to the present invention and a kit of parts for preparing the composite product are also disclosed.

A method of preparing a cement plastic mixture is based on the fact that in the first step plastic crumb, cement water and optionally silica sand are mixed in a mixing device at a temperature 8? C. to 25? C. for 3 minutes. In the second step, at least one of the following components is added: superplasticizer, solidification accelerator, synthetic fiber, paint and optionally silica fume (microsilica) Si0.sub.2 for 9 minutes.

A method of preparing a cement plastic mixture is based on the fact that in the first step plastic crumb, cement water and optionally silica sand are mixed in a mixing device at a temperature 8? C. to 25? C. for 3 minutes. In the second step, at least one of the following components is added: superplasticizer, solidification accelerator, synthetic fiber, paint and optionally silica fume (microsilica) Si0.sub.2 for 9 minutes.

The present invention relates to amino acid-containing sizing compositions for glass fibers, to glass fibers at least partially coated with such sizing compositions, to a variety of fiber glass products at least partially coated with such sizing compositions, and to composite materials comprising glass fibers at least partially coated with such sizing compositions. In one non-limiting embodiments, a sizing composition for glass fibers comprises an amino acid, a protein, or a hydrolyzed protein. A sizing composition for glass fibers, in another non-limiting embodiment, comprises an amino acid, a protein, or a hydrolyzed protein, at least one film-former, and at least one silane.

Composite fibers and methods of manufacturing composite fibers for the reinforcement of concrete are provided. The composite fibers include fibers and a polymeric coating. The composite fibers have a length of about 10 mm to about 80 mm and an equivalent diameter from about 0.3 mm to about 2 mm. A method for reinforcing concrete using the composite fibers is further provided.

Composite fibers and methods of manufacturing composite fibers for the reinforcement of concrete are provided. The composite fibers include fibers and a polymeric coating. The composite fibers have a length of about 10 mm to about 80 mm and an equivalent diameter from about 0.3 mm to about 2 mm. A method for reinforcing concrete using the composite fibers is further provided.

A density controlled cold fusion concrete cementitious spray applied fireproofing material including a mixture of water, one or more of silicon dioxide, expanded glass, vermiculite, bottom ash, perlite, expanded shale, expanded polystyrene, and sulfonated formaldehyde, or other lightweight aggregates of various diameter sizes ranging from about 0.025 mm to about 12.5 mm in diameter; anhydrous or hydrous sodium or potassium metasilicate; waste from steel production consisting of Granulated Ground Blast Furnace Slag (GGBFS); high calcium or low calcium waste from coal combustion (fly ash or bottom ash); sodium tetraborate, sodium citrate dihydrate, citric acid, or boric acid; and an alkali-resistant micro-fiber.