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Perlite Manufacturers and Suppliers in India

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LITEMIX FOR GARMENT WASHING INDUSTRY

What is Perlite?

Perlite is a lightweight, porous material derived from volcanic rock. When exposed to high temperatures, it expands and becomes highly effective for insulation, soil aeration, filtration, and more. Perlite’s thermal properties, lightweight nature, and neutral pH make it indispensable for various applications.

A Leading Perlite Manufacturer in India

As a leading Perlite Manufacturer in India, Keltech Energies is committed to providing high-quality, versatile Perlite solutions for various industries. Perlite is a naturally occurring volcanic glass with a unique property—it expands when heated, making it an essential material for multiple applications. At Keltech Energies, we supply premium-grade Perlite to meet the diverse needs of sectors like construction, horticulture, and industrial manufacturing.We are recognized as one of the most reputable Perlite suppliers in India, delivering top-grade Perlite filter powder, insulation solutions, and expanded Perlite products that ensure superior performance and reliability.

Why Choose Keltech Energies?

As one of the top Perlite suppliers in India, Keltech Energies offers:

  • High-quality Perlite sourced from the best natural reserves.
  • Customizable solutions tailored to your industry-specific needs.
  • Consistent product performance for various applications.
  • A reputation for reliable supply and customer satisfaction across India and beyond.
FEATURES OF PERLITE:
Expanded perlite is available in different particle sizes with varying bulk density. The particles are chemically inert, very light weight, mildly abrasive and inorganic material with a porous structure.

Applications of Perlite

Keltech Energies provides tailored Perlite solutions across the following sectors:

  • Construction: Perlite is used as an additive in lightweight concrete and plasters, enhancing insulation and fireproofing properties. It reduces the overall weight of construction materials without compromising strength, making it ideal for energy-efficient buildings.
  • Horticulture: In the agriculture and horticulture industry, Perlite improves soil aeration, drainage, and water retention. Its lightweight, porous structure ensures better root growth and healthier plants. Keltech Energies supplies Perlite for use in potting mixes, hydroponics, and greenhouse cultivation.
  • Filtration: Due to its high porosity and inert nature, Perlite is widely used in filtration systems. It acts as a filter aid in industries like food and beverage production, water treatment, and chemical manufacturing, effectively removing impurities.
  • Industrial: Perlite plays a crucial role in the cryogenic insulation industry. Its low thermal conductivity and ability to resist extremely low temperatures make it a preferred choice for insulating cold storage and liquefied gas tanks.
  • Other Uses: Perlite finds applications in industries such as paints, coatings, and detergents, where it is used as a filler to enhance product performance.
APPLICATION IN GARMENTS:
In the ready garments industry, garments during tailoring gather dirt, grease and oil. These have to be removed by washing prior to pressing and packing

The washing of garments is generally carried out in tumbling type automatic washing machines, using a cleaning solution consisting of surface-active agent enzyme, foaming agent and extender. For heavier garments like jeans, trousers etc., the removal of grease and oil requires the cleaning solution to be mildly abrasive by using extenders.

Perlite, with its light weight porous structure which allows adhesion of the surface active ingredients, mildly abrasive slowly breakdown into smaller particles and aids in removing the grease / oil marks completely

ADVANTAGES OF PERLITE:
•It is an inorganic material, which is chemically inert. Does not dissolve in any liquid
•The porous structure allows perlite to hold water with the surface-active ingredients on its surface thereby reducing the requirement of water for washing.
•Perlite products is a potting mixes prevent waterlogging and ensure that plant roots receive the oxygen they need.
•Perlite India has the ability to retain moisture and nutrients without becoming waterlogged.
•Excellent stability even in hard water.

SPECIFICATIONS:
The grade of perlite specification for garment washing is a mixture of course and fine Particles in size : 90% between 4.75 mm to 0.150 mm. having bulk density in range 100 to 150 kgs per cu. M.

CHEMICAL COMPOSITION:
SiO2 71 – 75%
Al2O3 12.5 – 18%
K2O 4.0 - 5%
Na2O 2.9 – 4.0%
CaO 0.5 – 2.0 %
Fe2O3 0.5 – 1.5%
MgO 0.5 – 1.5 %
Hardness on Mohr’s scale 3 - 4
AVAILABILITY:
"LITEMIX" grade of expanded perlite, specially manufactured for this application is available in 10 kgs packing in HDPE woven sacks.

High-Performance Perlite Solutions by Keltech Energies

At Keltech Energies, we offer a premium range of perlite-based solutions designed to serve multiple industries with unmatched performance and versatility. Derived from naturally occurring volcanic rock, our expanded perlite is lightweight, sterile, and highly efficient—making it the ideal choice for applications in construction, horticulture, insulation, filtration, and garment processing.

Our perlite products are developed for use in industries such as construction, horticulture, filtration, garments, cryogenics, and more. Each product is tested for performance, quality, and compliance with global standards.

Features of Keltech Perlite
Lightweight Structure

The low-density nature of expanded perlite makes it suitable for construction, reducing structural load without compromising strength.

Thermal and Acoustic Insulation

Perlite particles trap air, delivering natural insulation for both heat and sound, useful in building materials and cryogenic systems.

Moisture Management

Its porous structure retains water efficiently while maintaining proper drainage, making it a perfect fit for potting mixes and hydroponics.

Chemically Stable and Inert

Our perlite is pH-neutral, non-combustible, and free from toxic materials, ensuring safety across all applications.

Frequently Asked Questions

Perlite is a naturally occurring volcanic mineral that expands when heated, creating a lightweight, porous material. It is widely used in construction, insulation, filtration, and more due to its thermal stability, low density, and inert properties.

Perlite enhances soil aeration and drainage while retaining moisture. It supports healthy root development, prevents compaction, and is ideal for seed starting, hydroponics, and container gardening.

Yes, our expanded perlite is commonly used in lightweight concrete formulations and precast insulation blocks. It reduces overall weight, improves thermal resistance, and contributes to energy-efficient construction.

Absolutely. Perlite is non-toxic, pH-neutral, chemically inert, and free of harmful contaminants. It is also reusable in many applications, making it an eco-conscious material choice.

LITEMIX FOR REFRACTORY APPLICATION

Keltech Energies Ltd., Perlite Division offer the following products which are used as lightweight and insulating ingredients in the manufacture of refractories.

Litemix - [Coarse Perlite]:
A lightweight expanded perlite coarse aggregate made from naturally occurring volcanic rock having good insulating property. Essentially alumino silicate, inert with high compatibility with cement.

Specification:
Colour - White
Bulk Density - 100 – 150 kgs per cu. m.
Particle size - 4 mm - 0.150 mm
Moisture content - 0.5%


CHEMICAL COMPOSITION:
SiO2 71 – 75%
Al2O3 12 – 18%
Fe2O3 0.5 – 1.0%
CaO 0.5 – 1.0%
N2 3 - 4%
K2O 4 – 5%
Application:
Used as a lightweight – insulating ingredient with low iron content in castables. Such refractories were originally developed for catalytic reformers, which required product with less than 1% iron content to avoid poisoning of catalyst. Because of its ability to withstand atmospheres containing carbon monoxide and high percentage of hydrogen its use has spread to other applications requiring a high purity material of lightweight and high insulating efficiency to ensure economic linings. Mainly used in sponge iron, petrochemical chemical and refinery catalytic reformers, boiler top decks and arc furnace insulation etc. Maximum service temperature 1100 C.

Availability:
Available from our works at Vishwasnagar – Karnataka & Garamsur - Maharashtra.
Packing : Available packed in HDPE woven bags of 10 kgs net weight.
Order Quantity : Multiples of 10 kgs.

Vermiculite FOR REFRACTORY APPLICATION

Vermiculite is micaceous mineral, which rapidly exfoliates on heating to produce lightweight aggregate. With these aggregates, we could manufacture various products. To produce lightweight aggregate temperature required is 400 C -1100 C. It depends on quality of raw vermiculite, which exfoliates upto 20 times. Exfoliation takes place at an angle of 900 C to the cleavage plane. Mineral vermiculite is soft, pliable, inelastic, dull in appearance and opaque. It is hydrated magnesium Aluminum silicate. By heating it exfoliates. The colour of raw vermiculite is dark brownish yellow, greenish or almost black. After exfoliation colour changes to lustrous gold or golden brown with a silver tint.

Expanded vermiculite has several advantages. It is lightweight, non-corrosive free flowing non-conductor of electricity, odorless, non – abrasive, acid resistant, chemically inert, reflective, hygroscopic, low thermal conductivity vermin, termite, moth and rodent proof, insoluble in water and inorganic solvents, resistance to heat penetration, high thermal insulation, asbestos free.

It does not crumble with sawing, does not react with gases, have shrinkage, resistance to both hot and cold thermal shocks, economical to many other available insulation bricks and comparable to calcium silicate based products. Its lightweight and its low thermal conductivity on exfoliation make it a very suitable ingredient for refractories.

Specification:
Colour - Golden Brown
Loose Density - 140 – 180 kgs per cu. M.
Particle size - 1 to 2 mm
Moisture content - 1%


CHEMICAL COMPOSITION:
SiO2 43.20%
Fe2O3 10.88%
AI2O3 20.53%
TiO2 1.860%
CaO 1.853%
MgO 6.553%
Na2O 0.800%
K2O 2.619%
Carbonate(as Co3) Absent
Chloride(as Cl) Absent
Sulphate(as So4) Absent
Asbestos Absent
Application:
It is used as constituent of refractory blocks and firebricks for use in furnace temperature of up to 1300C. It is possible to use vermiculite based refractory blocks as hot face insulation surface in furnace, but it is more common to use them as backup in high temperature applications. Also used as a lightweight ingredient in high temperature and medium strength castables, which are easily castable in awkward positions where it is not possible to use in pre-formed materials, Maximum service temperature 1300 C.

Availability:
Available from our works at Vishwasnagar – Karnataka & Garamsur - Maharashtra
Packing : Available packed in HDPE woven bags of 10 kgs net weight
Order Quantity : Multiples of 10 kgs

PERLITE FOR THE FOUNDRY INDUSTRY

Perlite in the ore form is used in high temperature application in the steel, ferrous and non-ferrous industries, as a slag coagulation agent, in ladle topping compounds, as an ingredient in exothermic and insulating sleeves and as a cushioning agent in moulding and core sand

AS SLAG COAGULANT:

Perlite ore is used in the granular form in size –8 + 40 # as a slag coagulant in continuous induction furnaces and in ladles. The ore will expand when it comes into contact with the melt, forming a light weight, viscous cellular mass. This mass attracts all individual slag particles in the metal and prevent retention or re-entry of the impurities into the metal bath, virtually eliminating the problem of slag inclusion.

The alkaline compounds present in the perlite ore also helps in reducing sulphur and phosphorous compounds in the melt.

CONSUMPTION NORM :
The quality of perlite ore will depend on the viscosity and coagulative nature of the melt. However, 1 to 2 kgs per ton of melt in ladle / furnace is recommended. Larger quantity can be used to get additional benefit of sulphur and phosphorous reduction.

ADVANTAGES:
•Produces cleaner metal.
•Coagulates slag and traps all impurities.
•Simplifies ladle skimming and removal of slag without raking.
•Reaction with melt produces no smoke or fume of health hazards.
•Additional benefit of sulphur and phosphorous reduction.

AS LADLE COVER:

Perlite ore in size –8 + 40 # can be added to molten metal pouring ladles to act as an insulating cover. The ore on expansion will prevent heatless maintaining the pouring temperature of the melt longer, especially in continous casting requiring longer hold time.

CONSUMPTION NORM :
10 to 15 kgs per ton of metal, depending on the size of the ladle.

ADVANTAGES:
•Facilities holding of melt for longer time permitting deoxidation and decarburisation Process.
•Energy saving as heat loss during transfer of melt from furnace to ladle can be eliminated.
•Eliminates shrinkage defects in cast materials.

REFRACTORY LINING PROTECTION:

Perlite ore can be used to protect the refractory lining of ladles thereby avoiding frequent relining. Addition of perlite forms a glassy coating on the ladle wall, which increases the life of the lining.

CONSUMPTION NORM :
10 to 15 kgs per ton of melt.

ADVANTAGES:
•Prolongs refractory ladle lining life.

TOPPING COMPOUND:

Perlite can be used as an insulating compound to avoid chilling effects in casting and prevent heatloss from the metal surface during solidification. 10 to 15 kgs per ton of metal, depending on the size of the ladle

CONSUMPTION NORM :
2 TO 3 % by weight of the casting, powder to be sprinkled on the top of the mould after pouring.

ADVANTAGES:
•Retards quick solidification of the castings.
•Reduced chilling effects, permits easy machinability of the castings.

MOULDING/CORE SAND BAKE SYSTEM:

Perlite is added to foundry and moulding sand mixture as a cushioning agent to compensate for the expansion of silica as it goes through phase transformation or temperature in excess of 600 deg. C. Perlite being volume stable upto its fusion point will absorb the growth of the silica grain

CONSUMPTION NORM :
0.5% of the weight of sand in case of ferrous metals and 0.1% of the weight of sand in case of non-ferrous metals.

ADVANTAGES:
•Casting defects such as buckles, veining, fissuring and penetration are thus minimized and cleaning room costs reduced.
•Perlite also provides better permeability to core sands reducing defects attributable to poor venting.

EXOTHERMIC SLEEVES:

Perlite is used as an insulating ingredient of the fibrous matrix, which forms exothermic sleeves which is used as riser and sideboard panels for hot tops.

THERMOFIL-C(Premium Insulation - Cryogenics)

Thermofil – C is white in colour and weighs 55-70 Kgs per cubic meter. The size grading for 80% of thermofil-C range between 1.18mm & +0.075 mm and the moisture content is less than 0.5%. An additional property of water repellence is 150 CC out of 250 CC and is packed in 6Kgs HDPE bags. Thermofil-C is used for insulation of air separation units of oxygen plants, vacuum insulated / non-vacuum storage tanks and flasks and containers. It is also used in explosives and loose fill insulation of masonry blocks.

FILLITE

Fillite is white in colour and weighs 55-75 Kgs per cubic meter. The size grading for 95% of fillite range between 1.18mm & +0.106 mm and the moisture content is less than 0.5%. It is packed in 6 Kgs HDPE bags.

Fillite is used for loose fill insulation of cryogenic storage tanks, filler, poultry medicine carrier, foundry insulation products, refractory and cold boxes.

LITEMIX

Litemix is white in colour and weighs 100 -150 Kgs per cubic meter. The size grading for 90% of litemix range between 4.75mm & +0.15 mm. It is packed in 6Kgs HDPE bags. Litemix is used for refractory castables, roof deck insulation, light weight floor fills, concrete blocks and garment washing.

LITEMIX FOR GARMENT WASHING INDUSTRY
LITEMIX FOR REFRACTORY APPLICATION
PERLITE FOR THE FOUNDRY INDUSTRY
THERMOFIL-C (Premium Insulation - Cryogenics)
FILLITE
LITEMIX