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Headquartered in Chicago, we serve construction markets around the world with wall, ceiling, flooring, sheathing and roofing products that enable our customers to build the outstanding spaces where people live, work and play.

Our network of plants, mines, quarries and other facilities includes 49 manufacturing locations and 6,900 employees across North America.

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SNOW WHITE

CAS-20

Drystone

Hydro-Stone

Duramold

Cerami-Cal

USG Corporation Hydrocal

Hydroperm

Hydroperm® Metal Casting Plaster is a specialized plaster used for fabricating permeable plaster molds. Hydroperm® Metal Casting Plaster dries with a porous structure of small, uniform, interconnected cells just beneath its surface, offering channels through which steam or other mold gasses can escape during the metal-casting operation.

Hydroperm® Metal Casting Plaster

Cas-20® 4 Calcium Sulfate Filler can be used at high loadings and consistently provides an excellent balance of properties and good surface appearance.


CAS-20® 4 Calcium Sulfate Filler

USG Corporation TERRA ALBA NO. 1, Calcium Sulfate Dihydrate Filler is a flame-retarding filler. It offers low abrasion to processing equipment and is available in 50 lb. bags or 2,000 semi-bulk from USG’s Southard, Oklahoma plant. USG Terra Alba No. 1 Calcium Sulfate Dihydrate Filler is made by fine grinding and air separating a select, high purity white gypsum containing approximately 20% water of crystallization. Depending upon vapor pressure, relative humidity, loading levels, etc., this water of crystallization, or combined water as it is often called, starts being released as the USG Terra Alba No. 1 Calcium Sulfate Dihydrate Filler is heated above 50 °C. At approximately 180 °C, 75% of the combined water has been released. Water is not totally removed until temperatures exceed 400 °C.

USG Corporation TERRA ALBA NO. 1

CAS-20® 4 Anhydrous Calcium Sulfate Filler is manufactured from high purity gypsum rock using controlled calcination and fine grinding; the calcination process used greatly reduces its moisture affinity. USG CAS-20-4 Anhydrous Calcium Sulfate Filler can be used at high loadings and consistently provides an excellent balance of properties and good surface appearance. It is ideal for food packaging applications that require a filler with high purity and food acid resistance. USG CAS-20-4 Anhydrous Calcium Sulfate Filler can also be used as a partial replacement for titanium dioxide (TiO2) because of its high brightness and opacity. The narrow particle size distribution contributes to optimum impact properties in thermoplastics; USG CAS-20-4 Anhydrous Calcium Sulfate Filler finds success in a variety of thermoplastic, thermoset and plastisol systems. In addition, the low Mohs hardness minimizes abrasion to processing equipment. USG CAS-20-4 Anhydrous Calcium Sulfate Filler is available in 50 lb. bags or 2,000 lb. semibulk.


CAS-20® 4 Anhydrous Calcium Sulfate Filler

Hydrocal® White Gypsum Cement is a good multi-purpose product for people looking to upgrade from a standard plaster product to one that has a higher degree of hardness and impact resistance. USG Hydrocal White Gypsum Cement is designed for solid and hollow casting and is ideal for giftware and lamp base applications. USG Hydrocal White Gypsum Cement is compatible with numerous color pigments.

Hydrocal® White Gypsum Cement

Hydrocal® Statuary is a good multi-purpose product for people looking to upgrade from a standard plaster product to one that has a higher degree of hardness and impact resistance. USG Hydrocal Statuary Gypsum Cement is designed for solid and hollow casting and is ideal for giftware and lamp base applications. USG Hydrocal Statuary Gypsum Cement is compatible with numerous color pigments.

Hydrocal® Statuary

Snow White Calcium Sulfate Filler is made by high temperature calcinations of select, high purity gypsum which is then ground and air separated into a bright, white powder. It is used in a variety of polymeric and cementitious system and is available in 50 lb. bags or 2,000 lb. semi-bulk or bulk from USG’s Southard, Oklahoma plant. USG Snow White Anhydrous Calcium Sulfate Filler offers low abrasion to processing equipment, is resistant to weak acids and has a lower specific gravity than barium sulfate. In addition, it contributes to desired expansion, green strength and controllable set in specialty cement applications.

SNOW WHITE CALCIUM SULFATE FILLER

USG Ultimate Drystone™ Casting Media is a unique product that requires no oven drying - you can cast, paint, package and ship in one day. USG Ultimate Drystone Casting Media offers excellent duplication of fine detail, high compressive strength and a high density that provides a quality feel. Ideal for solid cast pieces, USG Ultimate Drystone Casting Media is formulated to increase chip resistance and is an excellent alternative to polyester resin.

Drystone™ Casting Media

Hydrocal® FGR 95 is high-strength gypsum cement specially formulated for use with glass fiber for fabricating glass-reinforced architectural details. Low water requirements result in high-strength, high-density glass fiber-reinforced gypsum pieces. Ideal for producing lightweight, thin-cast, fire-resistant architectural casts, and offers superior fabrication flexibility. USG Hydrocal FGR 95 is exceptionally quick setting and accepts most coatings and finishes. USG Hydrocal FGR 95 overcomes building fire code incompatibilities faced by many plastics – at roughly one-third the cost of filled polyesters.

Hydrocal® FGR 95

USG Corporation

Headquartered in Chicago, we serve construction markets around the world with wall, ceiling, flooring, sheathing and roofing products that enable our customers to build the outstanding spaces where pe

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Documents - USG Corporation - Knowde

USG Corporation Terra Alba No.1 Safety Data Sheet

TERRA ALBA NO. 1 Other

TERRA ALBA NO. 1 Technical Data Sheet

TERRA ALBA NO. 1 BROCHURE

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