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Gypsum

Gypsum

离岸价格

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Minimum Order

位置:

-

最小订单价格:

-

最小订单:

100 Metric Ton

包装细节:

Bags

交货时间:

30days

供应能力:

10000 Metric Ton per Month

付款方式:

T/T, L/C, D/A, D/P, Western Union, Money Gram, PayPal

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Karak mining

Pakistan

免费会员

联系人 Yaqub

Karak, Karak, North West Frontier Province

现在联系

详情

Gypsum is a soft sulfate mineral composed of calcium sulfate dihydrate, with the chemical formula CaSO 4·2H2O. It is widely mined and is used as a fertilizer and as the main constituent in many forms of plaster
 

 
Gypsum helps soil better absorb water and reduces erosion. It also cuts down on phosphorus movement from soils to lakes and streams and improves the quality of various fruits and vegetables, among other benefits

Gypsum uses include: manufacture of wallboard, cement, plaster of Paris, soil conditioning, a hardening retarder in portland cement. Varieties of gypsum known as "satin spar" and "alabaster" are used for a variety of ornamental purposes; however, their low hardness limits their durability.

Gypsum is deposited 
from lake and sea water, as well as in hot springs, from volcanic vapors, and sulfate solutions in veins. Hydrothermal anhydrite in veins is commonly hydrated to gypsum by groundwater in near-surface exposures. It is often associated with the minerals halite and sulfur.

Gypsum is readily identified 
by its softness (a fingernail scratches it). Gypsum comes as clear crystals that display one perfect cleavage (selenite), as blocks of featureless white rock (alabaster), and as silky fibrous blocks (satin spar).


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