High-Quality Low-Alkali Portland Cement

A Cement Plant Specializing in Type II/V Cement

Tehachapi Cement is part of a long history in the cement industry of Southern California. As a member of the Grupo UNACEM family, the tradition continues with the production of up to 800,000 metric tons of portland cement every year. The Tehachapi facility aims to provide quality and value for clients in the Southwestern US market.

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Low-Alkali Portland Cement from Tehachapi, California

The cement plants associated with Grupo UNACEM seek to provide quality products that can be used in a wide variety of applications. To fulfill this goal, our cement must be durable with the right chemical makeup to maximize its overall performance. We also understand the importance of producing cement-based products sustainably.

Tehachapi Cement specializes in the production of type II/V (LA) portland cement, which meets the standards of ASTM C-150 for types I, II, and V low alkali cements, and ASTM C 1157 for types GU, MS, and HS cement. This cement is suitable for general construction purposes, particularly in environments with moderate to high sulfate content in soil or water. Moreover, the low alkali content in Tehachapi Cement’s type II/V (LA) portland cement minimizes the risk of alkali-silica reactivity (ASR) related damage.

To learn more about how our cement products can meet your needs, feel free to contact us.

The Tehachapi Cement Production Process

Tehacem Process 1

Imported Ingredients

Alumina and iron are imported as minor processing additions.

Tehacem Process 2

Mining and Crushing

The quarry provides limestone (calcium) and silica, which are then transported to the plant.

Tehacem Process 2

Mining and Crushing

The quarry provides limestone (calcium) and silica, which are then transported to the plant.

Tehacem Process 3

Raw material storage

Limestone (calcium), iron, silica, and alumina are stored in large silos.

Tehacem Process 4

Blending

A blend of all raw materials is created in precise proportions for the next stage.

Tehacem Process 4

Blending

A blend of all raw materials is created in precise proportions for the next stage.

Tehacem Process 5

Raw grinding

These ingredients are finely ground to the consistency of baby powder and thoroughly mixed.

Tehacem Process 6

Heating and Cooling

In a tall preheating tower, the finely ground mixture is heated and then rapidly cooled to form clinker.

Tehacem Process 6

Heating and Cooling

In a tall preheating tower, the finely ground mixture is heated and then rapidly cooled to form clinker.

Tehacem Process 7

Clinker storage

The clinker is kept in a large dome and silo, awaiting its transformation into cement.

Tehacem Process 8

Finish Grinding

The clinker is finely ground into the well-known fine gray cement powder, with a bit of gypsum added to regulate setting time.

Tehacem Process 8

Finish grinding

The clinker is finely ground into the well-known fine gray cement powder, with a bit of gypsum added to regulate setting time.

Tehacem Process 9

Cement Storage and Shipping

The final product, cement, is stored in a silo until it is loaded for distribution.

About UNACEM NA

The North American branch of Grupo UNACEM consists of two facilities: Drake Cement in Paulden, Arizona, and Tehachapi Cement in California. The integration of Tehachapi and Drake has created a production platform in the US Southwest with two production facilities with a total installed capacity of 2 million tons per year. This output allows UNACEM NA to support the construction needs in this fast-growing geographic area.

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A Commitment to Social Responsibility

Grupo UNACEM and Tehachapi Cement are deeply aware of the significance of aligning corporate activities with environmental and social responsibility. As a business dependent on local limestone resources, the Tehachapi facility is dedicated to balancing economic goals with environmental stewardship and community engagement.

We acknowledge the impact our operations have on the surrounding ecosystem and community. The prosperity of our company is closely linked to our commitment to being a conscientious and considerate member of the local area, its environment, and its residents.

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Take Your Career to the Next Level

Consider Tehachapi Cement for Your Next Career

Are you thinking about a career in the cement industry? Tehachapi Cement provides attractive salaries, comprehensive benefits, and a supportive work atmosphere, and we’re constantly seeking talented individuals to join our team.

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Tehachapi Cement is part of UNACEM NA, the North American branch of Peru-based UNACEM. The plant has a long history of producing Type II/V Portland cement for the Southern California market. Tehachapi Cement seeks to provide high-quality products and outstanding value to its clients in the greater Southwest.

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