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* K-SILICATE is used for jointing Acid Resisting brick in construction of vessels in suited for construction of fume chambers and stacks handling hot, dry Acid fumes and vapors.
It is also used for jointing chemical resisting stoneware pipes.
K-SILICATE cement is good bedding material for Acid â?? Resisting bricks and tiles.
The concrete surface needed protection should be dryed, clean and rough.
The bricks or tiles will be set with K-SILICATE cement over concrete surface applied with a suitable an impermeable interliner.
When Bedding and Jointing Materials are the same.
On the treated surface bricks or tiles are bedded to a thickness of about 6 mm and tamp gently with a wooden piece till the paste squeezes out of joints.
The paste that is squeezed out of the joint should be removed by trowel with good finishing. After the mortar of the joint is dryed treat the joints with 20% Hydrochloric Acid Solution by means of brush. A.R.lining should be always in contact with Acid and not with water.
Concrete subtract like Floor, Wall, tanks and similar surface should be protected with a membrane of Bitrok Mastic or compound steel tanks should be protected with rubber or PVC subjected to chemical conditions and temperature of chemical media. The Brick lining is recommended over the protective layer of Bitrok Mastic.
When Bedding and Jointing Materials are Different.
Spread the silicate type mortar about 6 to 8 mm thick on the back of the tile or brick. Press the tile on the bed leaving required space for joints between tiles for bricks. After the bedding mortar is set, fill Mp the joints with specified cement.PRODUCT DATA SHEET FOR SK-HB ( K-SILICATE) MORTAR
A general purpose cement for acid conditions Resistant to High & medium concentrations of most of the common organic and inorganic acids except Hydroflouric acid. Recommended where the concentration of the acid is high suitable for high temperature. Unsuited to aqueous solutions, alkaline conditions.
PREPARATIONS OF MORTAR :
* Measure 1 part by weight of K-SILICATE solution into a suitable mixing pan.
* Add slowly and gradually 3 parts by weight K-SILICATE mortar and mix thoroughly to form a smooth mortar.
* In hot season very large batches of mortar will become stiff quite rapidly therefore small batches, not exceeding 4 to 8 kgs. Will be prepared.
* The cement mortar will be used before it starts setting.
This is chemical setting Furan based chemical resistant mortar which is combination of Liquid and Powder, when mixed in proper proportion from workable mortar which after setting and curing give of liquid and give black highly cross linked composites.
Furan When set and cured is resistant to highly corrosive acids, alkalis and to powerful organic solvents such as ketones, Aromatic and Chlorinated solvents. It has extreme resistant to Acidic & alkalis, Salts, Greases and Detergents. It resists to Organic & Inorganic acids at their boiling temperature. It is suitable against mild chlorine Gas (dry) phosphorous trichloride, pyridine at room temperature.
Furan is especially useful where resistance to mixed media such as aqueous acids /alkalis and organic solvents is needed in chemical plant process and waste streams. Carbon filled Furan is used against corrosive effect of hydrofluoric acid & its salts.
PREPARATION OF FURANE MORTAR :
Mortar consist of Furan solution and Furan powder. The average mixing ratio necessary to obtain mortar with good working consistency is 1 part by weight Solution & 3 part by weight powder. The ratio will vary slightly depending on temperature and working conditions.Stir the liquid thoroughly before using. Place liquid in a suitable shallow mixing pan. Add powder by weight in the solution mix thoroughly and rapidly until all lumps are dispersed and the mortar is completely homogenous. Spread out the mortar in a thin layer, not more than ¾ thick, to dissipate the heat of reaction and lengthen the working life.
Batch size can be varied depending upon the temperature and the speed with which the masons are working. Very large batches will become stiff quite rapidly. Make sure that all the Furan Motrar is used from the pan before another batch is mixed.When working at temperature above 40 C, very small batches not more than 2 Kgs, should be prepared. When working at temperature below 15C the liquid should be kept warm.
Aurora Industry Co.,Ltd. (AUCO) provides chemicals used in many fields, including construction, petroleum, mining, agriculture, printing, rubber, detergent, etc.
Hindalco manufactures coarse alumina hydrate, metallurgical alumina, special alumina and alumina hydrate. The chemicals business focuses on special alumina and alumina hydrates, which are products of in-house technological innovation by our Research & Development team at Hindalco Innovation Centre-Alumina(HIC-A). This research centre is recognised by the Department of Scientific & Industrial Research (DSIR), Government of India.
The chemicals business serves a wide range of customers across 32 countries around the world with special alumina and alumina hydrates. Alumina hydrates find use in applications like alum, poly aluminium chloride (PAC), zeolites, aluminium fluoride, and as fire-retardant filler in polymer composites. Our special alumina finds a good suit in applications like refractory, ceramics, polishing compounds, abrasives and glass.
Hindalco's captive bauxite mines in the Indian states of Maharashtra, Jharkhand, Chhattisgarh, and Odisha, supply high quality raw material to our refineries located at Belagavi in Karnataka, Muri in Jharkhand and Renukoot in Uttar Pradesh, India. The alumina refineries at Belagavi, Muri and Renukoot have installed capacities of 350,000 TPA, 450,000 TPA and 700,000 TPA respectively. The state-of-the-art alumina refinery at Belagavi is dedicated to the manufacture of special alumina and alumina hydrates.
Utkal Alumina International Limited (UAIL), the fully-owned subsidiary of Hindalco Industries located in Rayagada district, Odisha, operates a most modern 2.1 MTPA alumina refinery.
