Products

Hydrated Lime - Slaked Lime

Hydrated Lime, is a dry fine , white powder with chemical formula Ca(OH)2. The Hydrated Lime manufactured in our state-of-art plant is free flowing fine powder, without any grits and impurities.

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Grades Sigma Pride Sigma Pearl Sigma Special A B C D E F
 % of Available Lime as Ca(OH)2 96±1 +94 +92 +90 +85 +80 +75 +70 +65
 % of Available Lime as 73± 0.7 +71 +69.5 +68 +64 +60 +56 +52 +49
 % Acid Insolubles (Max.) 0.1 0.2 0.6 1.0 1.5 3.0 4.0 4.5 6.0
 % Iron & Alumina As Fe
<0.020
As Fe 
<0.025
As Fe 
<0.030
As Fe 
<0.035
As Fe 
<0.040
As Fe
<0.050
As Fe
<0.055
As Fe 
<0.060
As Fe 
<0.060
 % Magnesia as MgO 0.5 0.6 0.8 1 1 1.25 1.5 2 2
 Mesh (BSS) 500 400 300 250 200 200 150 150 150
 Packing Laminated
PP/HDPE Bag & Jumbo Bag

PP/HDPE & Jumbo Bag

PP/HDPE Bag

High Purity and Highly Reactive Quick Lime Lumps manufactured from Modern Lime Kiln

We are recognized as stupendous manufacturers of highly reactive and high purity quick lime lumps essentially required by many industrial processes. We manufacture quicklime lumps from especially sorted supreme quality limestone of our own mines with modern technology.

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Specifications Sigma Diamond
  % CaO >90
% MgO 2.0 (max.)
% SiO2 1.5 (max.)
% R2O3 0.50 (max.)
% L.O.I. 4.0 (max.)
Reactivity 4 NHCL 375 ml (min.)
Sizes 0 -3 mm
0 -10 mm
0 - 25 mm
25 - 50 mm
Packing 1 MT Once Used Jumbo Bag

Quick Lime Lumps manufactured from traditional kilns- Calcined Lime / Unslaked Lime/ Burnt Lime

Quick Lime Lumps, also known as ' Burnt Lime' or ' Calcined Lime' are formed by calcining Calcium Carbonate ( Lime Stone). The Products offered at Sigma are manufactured from Jodhpur, Rajasthan limestone ,procesed using best quality chemical and are checked on various parameters in order to offer flawless supply at the users end.

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Specifications  Manufactured From Traditional Kilns
 % CaO 85 + 2
% MgO 2. 0 – 2.50 (max.)
% Silica as SiO2 1.50 to 2.0 (max.)
% R2O3 0.6 (max.)
% L.O.I. 5 - 7 (max.)
Reactivity 4 NHCL 310 -340 ml
Sizes 0 -3 mm
10-100 mm
20-60 mm
Packing Once Used Jumbo Bag / Laminated PP/ HDPE Bag

Quick Lime Powder: Calcined Lime/ Unslaked Lime/ Burnt Lime Powder

Quick Lime Powder offered by us is rigorously checked on various parameters by quality experts and packed with high precision so as to meet the industry quality standards.

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Specifications Sigma Gold Sigma Silver (For AAC Blocks)
 % of Available CaO 82 -85 80 + 2
% Total CaO 88% min. 85% min.
 % Acid Insoluble as SiO2 1.5 (Max.) 2.0 (Max.)
% MgO 2.0 (Max.) 2.5 (Max.)
 % R2O3 0. 5 (Max.) 0.5 (Max.)
 Mesh (BSS) 97-98% passing through 250 mesh 90-95% passing through 170 mesh
 Reactivity Time 55°C 15-20 minutes 20- 30 minutes
 Packing Once used Jumbo Bag/ PP/HDPE bag

Limestone

At Sigma minerals we are engaged in offering quality assured assortment of limestones from Jodhpur, Rajasthan. The limestone we offer is widely demanded among the industries for its safe use. Limestone provided by us is processed exquisitely under the team of skilled professional.

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Specifications
% CaCO3 92 – 95%
% MgCO3 2.50 (max.)
% Silica 1.50 (max.)
% Fe2O3 0.2 (max.)
% Others 0.6
Size 0 – 6 mm/ 6 -25 mm/ 25 -50 mm
Packing Loose