i yantra clc bricks questionaire

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FAQ (Frequently Asked Questions)

What is CLC?

A:CLC is called as Cellular Light Weight Concrete and it is also called as Foam Concrete. Cellular Light Weight Concr

produced like normal concrete under ambient conditions. It is produced by initially making slurry of Cement, Sand (optio

addition of pre-formed stable foam. The Concrete is pumped into assembled moulds of blocks. The foam imparts free fl

effect of foam bubbles enabling it to easily flow into all corners and compact by itself in the moulds/forms without requiring astrength and dimensional stability to Bricks. Bricks are cured either by natural air Curing or Steam Curing procedure.

What is Basic Automatic Version (BAV)? And how it works?

A:Basic Automated Version model in CLC Machinery usually gives the capacities from 10m3 to 40m3 production per Day.

Cement and Flyash are loaded to the Mixer manually by the workmen. The material loaded to the Mixer depends upon the

of the Mixer. The sequence of the raw material loaded to the Mixer are Required Water, Cement, Flyash and then Foam w

Air Compressor. All the raw materials which are loaded to the Mixer are weighed automatically by Digital Weighing Scale Scontrolled uniformly by the Centralized Control panel. After the preparation, the final mixture is then loaded to Moulds usin

Stock yard with the help of Flat trolleys, where blocks are kept for self curing for the period of 20-30 days. Later the final blo

What is Semi Automatic Version (SAV)? And how it works?

A:Semi Automated Version model in CLC Machinery usually gives the capacities from 30m3 to 60m3 production per Day.

the raw materials such as cement and flyash are stored in 1 Ton capacity Hoppers of Screw and Belt Conveyors from whic

and Flyash loaded to the Mixer through Belt Conveyor. The material loaded to the Mixer depends upon the formula given bysequence of the raw material loaded to the Mixer are Required Water, Cement, Flyash and then Foam which comes from th

the raw materials which are loaded to the Mixer are weighed automatically by Digital Weighing Scale System which is instal

by the Centralized Control panel and this control panel will be given PLC allowance which means all the process can be d

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to the Control Panel. After the preparation, the final mixture is then loaded to Moulds using Bin trolleys. After 48 hours the

trolleys, where blocks are kept for self curing for the period of 20-30 days. Later the final blocks can be dispatched.

What is Fully Automatic Version (FAV)? And how it works?

A:Fully Automated Version model in CLC Machinery usually gives the capacities from 50m3 to 100m3 production per Day.Cement and Flyash are stored separately in 100 tons capacity silos with the help of bulkers. The two silos provided with t

cement are connected to the main mixer. Here the advantages of storing the material in the silos are we can get fine flyash

and the required quantity of flyash and cement can be easily loaded to the mixer which saves more time and leaves n

material loaded to the Mixer depends upon the formula given by the Company based on the capacity of the Mixer. The

Required Water, Cement, Flyash and then Foam which comes from the Foam Generator with the help of Air Compressor.

weighed automatically by Digital Weighing Scale System which is installed to the Mixer. All the process is controlled unifo

panel will be given PLC allowance which means all the process can be done automatically with PLC system when it is in

final mixture is then loaded to Moulds using Bin trolleys. After 48 hours the blocks are carried for Stock yard with the help o

the period of 20-30 days. Later the final blocks can be dispatched.

What are the Raw Materials?

A:Raw Materials for making CLC Bricks / Blocks would be

Cement

Fly-Ash / Sand

Foam

WaterLime (If-Needed).

Is the Foaming Agent Available continuously and where should we get from?

A:Foaming Agent is continuously available at our company in whatever quantities required and we can supply to any place

What about Density?

A:Densities range of CLC would be between 400 1800 kg/m3 which are used for various applications.

What about Compressive Strength?

A:As per IS 2185 Part IV, Compressive strength Chart is as follows Density Grade Compressive Strength (n/mm2) Water A

Density Grade Compressive Strength (n/mm2)

Min Max


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800 G-2.5 2 2.5

1000 G-3.5 2.8 3.5

1200 G-6.5 5.2 6.5

1400 G-12 9 12

1600 G-17.5 14.5 17.5

1800 G-25 22 25

What about Curing?

A:Curing of the Bricks / Blocks can be done by either natural air Curing for 2 to 3 weeks or by Steam Curing for 8 Hours.

What is Basic Automatic Version (BAV)? And how it works?

A:Curing of the Bricks / Blocks can be done by either Water Curing for 2 to 3 weeks or by Steam Curing for 8 Hours.

What is Steam Curing Plant?

A: These Plants are generally suitable for Higher Production Capacities and the advantages with this system will be Fas

Maximum Production.

What is Water Curing Plant?

A:These Plants are generally suitable for Less Production Capacities and are best suitable for Start-Up Companies, Bric

as the investment is very less. In this kind of plant the blocks can be despatched within two days.

What is the Plant Capacity & How much will be the Investment?

A:CLC Brick / Block Manufacturing Plants can be started with a minimum production of 10m3 to 100m3 per day and the inv

What is the Production Cost?

A:Production Cost in India is generally between Rs. 1500 2200 per m3 and this depends upon the Prices of Raw Material

What is the Market Price?


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A:Market Price throughout India is in between Rs. 3000 4000 per m3.

What is the Break-Even Period?

A:Break-Even / ROI can be achieved as less as 8-12 Months at 100% Efficiency.

Sizes & Number of Bricks per m3 with Weights

Size (in inches) Size (in mm) No of Bricks / m3 Weight (Kgs)

24 x 8 x 4 600 x 200 x 100 9.5 10

24 x 8 x 6 600 x 200 x 150 14.5 15

24 x 8 x 8 600 x 200 x 200 19 19.5

24 x 8 x 9 600 x 200 x 225 22 22.5

Direct Advantages of CLC?

A:Direct Cost Saving using CLC Light Weight Blocks would Reduce Steel / Iron for Structural Foundation, Savings in Plast

In-Direct Advantages of CLC?

A:In-Direct Advantages of CLC are in the form of Thermal Insulation, Sound Reduction, Less Water Absorption, etc...

Future of CLC

A:Government is making all efforts to Ban / Stop Clay Bricks Manufacturing & Usage as it consumes Top Agricultural Soil

course of time, an appropriate action will be taken.

Fal-G (Fly-Ash) bricks are much heavy in weight and require heavy structural foundation and because of the heavy wei

competition, Fly Ash Bricks are available at rock bottom price and it would be difficult for them to reduce price any more.

Several Brick Manufacturers who are already into Clay Bricks & Fly-Ash Bricks are converting into CLC Technology.

CLC Blocks Plant supplied from our company can be converted to AAC Plant in future according to the customer requireme

Who are the best suitable manufacturers?

A:CLC Plants are best suitable for Brick, Tiles (Parking & Designer), Marble Manufacturers & Dealers, Builders, Entrepren


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Suitable Places of Production & Marketing

A:Plants can be set up in all corners of India as CLC Bricks are widely accepted and Raw Materials are easily available.

Plant Size Feasible

A:Plant Size or Production Capacity generally depends upon the Market Location. Its always better to start with Small or M

Land, Power & Labour Requirement

A: Land, Power & Labour requirement depends upon the Plant Size / Production Capacity. The Minimum requirement of

(Un-Skilled) & 1 (Skilled).

Usage of CLC in different countries

A:CLC Technology is widely accepted in more than 40 Countries.

Approvals from any organizations

A:CLC Technology is approved by Indian Standards.

IS Code

A:IS Code for CLC Technology is IS 2185 Part IV .

Process of Plant Visit

A: All the Clients are welcome to Visakhapatnam to have Techno-Commercial discussions and all the issues like Techni

discussed. If any Client is interested in visiting a running plant, then they have to take an appointment from our company

How much land is required to run a CLC brick machinery plant?

10 -20 cubic meter plant: 50 cents (2400 Square Yards)

30-60 cubic meter plant: 100 cents (4800 Square Yards)

60-100 cubic meter plant: 200 cents (9600 square Yards)


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In what sizes are CLC light weight bricks available for sale?

Length Height Thickness

2 feet 8 inches 4inches



What is the output capacity of CLC bricks per cubic meter?

Length Height Thickness Output

2 feet 8 inches 4inches 83 Bricks



How much power consumption is required for running CLC brick machinery plant?

1.5 cu.mt. Mixer 10 hp

Foam generator 1 hp

Air Compressor 5 hp

Water motor 2 hp

Screw Conveyor 5 hp

Belt Conveyor 5 hp

Total 28 hp Needed

How labor force is required in running a CLC light weight brick machinery plant?

A:A minimum of ten 10 unskilled workers are essential in the production of CLC bricks.

How much of raw material is required to manufacture CLC bricks?

A:The raw material required to manufacture 1000 blocks of size 24x8x9 are:

Foaming agent: 50 kg

Cement: 100 bags

Fly ash: 16 tons

Water: to prepare a slurry mix similar to general requirement in concrete production.


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What type of foaming agent can be used in CLC bricks production?

Protein foaming agent (non-veg) 85gm to 95gm per liter (density) can use for CLC bricks.

Protein foaming agent (veg) can be used for roof insulations.

What type of cement grade can use in CLC light weight bricks manufacturing?

A:53 grade ordinary Portland cement (OPC) is used for manufacturing CLC bricks.

What type of fly ash can be used for CLC bricks production?

A: We should use fine fly ash, which is available in thermal power plants. (It is also available in certain industries

arrangement).This raw material is one hundred percent (100%) suitable for CLC bricks production.

What type of conveyor can be used in CLC bricks machinery plants?

A:There are two types of conveyors that can be used:

Belt conveyor for fly ash

Screw conveyor for cement

Screw conveyor for flyash can be used only with silo

How many moulds are needed for 1 cubic meter CLC bricks manufacturing?

There are four moulds needed if it is 8 feet ms (mild steel) sheet.

There are five moulds needed if it is 6 feet ms (mild steel) sheet.

Is it advisable to make moulds with fiber?

A: Oh! Yes, but life span of fiber moulds is less when compare to mild steel (ms). So, MS sheet are the most preferre

Besides, it has more durability, which means less investment.

What are the different types of curing are there during the production of CLC bricks

A: There are two types of curing while making CLC bricks. They are natural air curing and steam curing. Water curing i

water ratio in the production of CLC.


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How many days curing is needed after manufacturing CLC bricks?

A:The blocks should be left idle without disturbing at least 20-30 days of natural air curing in the stock yard.

What are the different types of CLC plants that we are providing?

A:There are several types of CLC plants and we are providing the following types:

Basic Version plant foam generator, control panel, mixer and load cells, compressor, molds and trolleys.

Semi automatic plant foam generator, control panel, mixer and load cells, compressor, cutting machine and conveyor bel

Fully automatic plant foam generator, control panel, mixer, and load cells, compressor, cutting machine, silos (storage to

What is digital weighing scale system in a CLC brick machinery plant?

A:Digital weighing scale system is nothing, but load cells which are fixed at the bottom of a mixer to measure the weight of t

CLC bricks.

How much capacity of load cells we are providing?

A: There will be provided four load cells at the bottom of the frame of the mixer, each load cell capacity is 2 tons If it is 1.

cubic meter mixer.

About Us

Iyantra is an innovative company striving towards

excellence with our competence in sustainable products

and technologies. We are specialized in green building

materials manufacturing technologies, having vast R&D

in the field of light weight concrete technology. We are

providers of plant and machinery, technical know-how,

allied chemicals and consultancy services for setting up

AAC, CLC, Fly ash brick, Pre cast concrete, Cast in suit

and Green concrete plants at any capacity for various

applications worldwide with our explicit knowledge and

distinctiveness.

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