Gypsum Rock

PRODUCTION
Gypsum Wood Fiber Board
Feather-and-Slot Gypsum Boards
Water-resistant feather-and-slot gypsum boards
Schungite feather-and-slot gypsum boards
Gypsum Blocks
Feather-and-Slot Gypsum Blocks
Gypsum Rock
Dry Pack Gypsum Mortar
Gypsum Binders

NEWS

Monument Unveiled at Décor-1 PGW
'Omnipresent Life', a monument by the prominent sculptor G.Pototsky was unveiled at Décor-1 Peshelansky Gypsum Works on August 28. During the ceremony, V.S.Lavrov announced that 'Omnipresent Life' (also known as 'Combating Stereotypes') was a gift to the Company from the International Kindness Academy in recognition of an invaluable contribution to the development of Russia's cultural capital and economy.

A Great Event
Report on the celebration of the 76th anniversary of Décor-1 PGW LLC and the Miner’s Day. Busy preparations for the celebration began in the morning of August 28 with the installation of stands, tents, makeshift retail outlets, attractions, and stage platforms. Company employees and guests flocked to Shaktior stadium, the venue of the day’s main festivities.

Victory as the Best Present
On August 28, Peshelansky Gypsum Works celebrated the Miner’s Day. All day long, Shaktior stadium hosted various exhibitions, lotteries and draw games. Of course, the festivities could not do without a musical performance.

Personnel Training for Gypsum Fiber Board Shop
To prepare for the future production of gypsum fiber boards, an onsite training was organized for 27 of the Company employees at the Tambov-based Tamak Co., which manufactures cement fiber boards using a similar technology. As of today, 7 technicians have completed training. Another 10 are currently doing the course.

Статьи

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Gypsum Rock

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Gypsum rock is a natural material with additionally-enahanced properties.
Gypsum rock is intended for the manufacture of gypsum binders.
Gypsum rock is used as an admix in the production of cement.

GOST 4013-82

Gypsum rock is intended for the manufacture of gypsum binders and admixes used in cement production.

Gypsum rock is sediment deposits which built up during evaporation of prehistoric buried lakes.

It may come as a dense, fine-grain substance with a sugary-grained texture on fractured surfaces or course-grain substance with random crystals. Depending on impurities, natural gypsum rock may be white, rosy or red and have a varying shape.

In terms of total gypsum content, gypsum rock is classified as follows:

Grade	Content in Gypsum Stone, % min
Grade	Gypsum (CaSO4x2H2O) (CaSO₄x2H₂O)	Crystallized Water
1	95	19,88
2	90	18,83
3	80	16,74
4	70	14,64

CERTIFICATE OF APPROVAL
GYPSUM STONE GOST 4013-82.

    1. Calcium sulfate dihydrate content:
        grade I: 95 % min;
        II: 90 % min.
    2. Fraction size: 0 - 60 mm
    3. Chemical composition: CaO: 47%; MgO: 2.0%; SO3 42.0; other: 0.1%.
    4. The product meets the prescribed radiation safety norms as conformed by sanitation and epidemiological certificate #52. NTs. 05.230.P.001917.11.04 as of November 24, 2004.

Certificate

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