Manufacturers of  Refractories , Acid & Heat Resistant Wares, Stone Wares, Rasching Rings, Glazed Wall Tiles & Other Clay Wares.

(A Perfect M.D.M. Group Enterprises )

 

 

         

 

 

REFRACTORIES

Product

Technical Data

Uses

PER HEAT 30

(IS:6 Bricks)

Al2 O3 content

PCE Value

Refractoriness under load

Apparent Porosity

C.C.S.

Bulk Density

Size Tolerance

 

 

 

28-30%

Orton cone 28-30

Ta 1300C

23-25%

>275 Kg./cm2

2 gm/C.C.

+/-2%, 1/16"" or 1mm whichever is greater.

 

 

Cast Iron foundaries,Cupolas,Iron & Steel Industries, Rolling Mills,Lancashire

Boilers, Rice Mill boilers & other Industries , where the safe working temperature is not more than 1300 oC.

 

PER HEAT 40

(1S:8 BRICKS)

Al2O3 content

Fe2O3 content

P.C.E. Value

 

R.U.L.

 

P.L.C. at 1400 oC.

(for 5 hrs)

 

Apparent Porosity

C.C.S.

Size Tolerance

 

 

38-40%

Max. 3.00%

Orton cone 31-32 

Ta 1400 oC

Ta 1600 oC

Not more than 1%

 

23-25%

>300 Kg/cm2 200- 250 Kg/cm2 +/- 2% or 1/16"or 1mm which ever is greater

 

 

Mini steel plant ladles, Boiler Arches, High Pressure Boilers Checkers of open hearth furnaces and any other place where the safe working temperature is 1400 oC.

 

 

 

 

 

 

PER HEAT 50

(SUPER HEAT DUTY BRICKS)

Al2O3

Fe2O3

P.C.E.

 

R.U.L.

 

P.L.C. at 1400 oC.

(for 5 hrs)

Apparent Porosity

Bulk Density

C.C.S.

Size Tolerance

 

 

 

 

48-50%

3.00%

33-34 Orton cone

(1743-1763 oC)

Ta 1450 oC-1480 oC

Not more than 1%

22-25%

2.2 gm/c.c.

>325 Kg/cm2

+/- 2% or 1/16"or

1mm whichever is greater

 

High Pressure Boilers Oil fired furnaces Glass factories and any other place where the safe working temperature does not exceed 1450 oC.

 

 

 

 

 

 

PER HEAT 60

(HIGH ALUMNA BRICKS)

Al2O3 content

Fe2O3 content

P.C.E. value

 

 

R.U.L. value

Apparent Porosity

Bulk Density

C.C.S.

Size Tolerance

 

 

 

58-60%

3.50%

Orton cone 34-35 

1763-1785 oC

Ta 1450 oC Min.

22-24%

2.3 gm/c.c.

>350 Kg/cm2

+/- 2% or 1/16"or

1 mm whichever is greater.

 

Ladle lining of concast ladles. Calcination zone of Cement kilns, Blast furnaces, Oil fired high temperature kilns and any other place where heat resistant refractories are required.

 

 

 

 

 

 

PER HEAT 70

(HIGH ALUMINA BRICKS 65-70%)

Al2O3 content

Fe2O3 content

P.C.E. value

 

 

R.U.L. value

Apparent Porosity

Bulk Density

C.C.S.

Size Tolerance

 

 

 

68-70%

Max 3.50%

Orton cone 35-36 

(1785-1804 oC)

Ta 1460 oC Min.

22-24%

2.4-2.6 gm/c.c.

>400 Kg/cm2

+/- 2% or 1/16"

1 mm whichever is greater

 

Cement kilns, Roof sets and lining of electric are furnaces, Burning zone of Cement Rotary kilns, Calcium Carbide kilns, Nozzles and any other places where the temperature is above 1500 oC .

 

 

 

 

 

 

PER SILL 55

(SILLIMANITE BRICKS)

Al2O3 content

Fe2O3 content

P.C.E. value

 

 

R.U.L. 

P.C.L. at 1400 oC at 5 hrs.

Apparent Porosity

Bulk Density

C.C.S.

 

Size Tolerance

 

 

 

50-55%

Max 2%

Orton cone 34-35 

(1763-1785 oC)

Ta 1480-1500  oC Not more than 0.5%.

22-24%

2.2 gm/c.c.

Above 400 Kg/cm

+/- 2% or 1/16" or

1 mm whichever is greater

 

Specially used in Glass melting furnaces and where the slag reaction is severe

 

 

 

 

 

 

PER INSUL HF

INSULATING BRICKS (HOT FACE )

P.C.E. value 

Bulk Density

Apparent Porosity (min)

C.C.S.

Working Temperature

Thermal Conductivity at 538  oC

 

 

 

Orton cone 30 

1.1 gm/c.c

60-65%

 

15 Kg/cm2

 

1300  oC

 

2.45

 

 

 

Its main purpose is to check the heat losses of the furnaces and it helps in a longer life of the linings

 

 

 

 

 

 

PER REF. MORTAR 

MODERATE DUTY

P.C.E. value

FINENESS

 

 

28 Cone (ASTM)

1.00 MM (16 mesh)

 

Suitable for laying Fire Bricks of moderate grade (IS-6 quality Bricks). It develops ceramic bond after firing.

PER REF.  MORTAR HD

(HIGH DUTY)

P.C.E. value

FINENESS

 

 

 

30 Cone (ASTM)

1.00 (16 mesh)

 

Suitable for laying Fire Bricks of high heat duty grades (IS-8). it develops ceramic bond firing

PER RAMIX SUPER

(RAMMING MASS)

Refractoriness

Working Temperature (Max).

Al2O3 content

 

 

27 Cone 

 

1400 o

38%

 

Car tops, Hearths Rotary kiln linings, dams furnace arches, roofs and general patching and repairs to side walls roofs & for all types of heating application

PER RAMIX H.A.

(RAMMING MASS)

Refractoriness

Working Temperature (Max).

Alumna content

 

 

33 Cone 

 

1500 o

40-45%

 

Excellent lining and patching material for holding ladles pouring ladles, hand ladles malleable furnace, runners and spouts, cupola, iron and slag tapping hole cupola tuyer facings.

PER SET SUPER 60

(SUPER DUTY FIRE CEMENT)

Jointing Capacity 2 mm

thick layer per 100 Kg. Cement Maximum grain size

Al2O3 content

 

 

 

 

app. 500 Bricks 

 

 

1 mm.

60%

 

This is air setting Can be used for super heat duty and high Alumna bricks up to 60%. It provides fast workability.

PER SET - H.A. 40

(HIGH TEMPERATURE FIRE CEMENT)

Jointing Capacity 2 mm

thick layer per 100 Kg.

Cement Bricks Maximum grain size

Al2O3 content

 

 

 

 

app. 500 Standard 

 

 

 

1 mm.

40%

 

This is air setting mortar. Can be used for all Bricks jointing up to super heat duty bricks.

PER SET-H.A. SUPER  70

Jointing Capacity 

thick layer per 1Kg.

Cement

 

Al2O3 content

 

 

2 mm.

app. 500 Standard 

1 mm.

70%

 

This is air setting mortar. Can be used for all Bricks jointing up to super heat duty brick.

PER CAST  40

(HIGH TEMPERATURE CASTABLE REFRACTORY)

Max. Intermittent Tem.

Max. Continuous Tem.

Al2O3 content

C.C.S. Room Temperature

 

 

 

 

 

 

1350 oC.

 

1300 oC.

40-50%

 

200 Kg/cm2

 

It is highly dense castable Refractory with High C.C.S. MOR Value. It has good abrasion resistant property. Can be safely used in all places where dense and abrasion resistant cast shapes are needed. Rotary kiln linings and hoods etc. Having wide range of application for monouthic lining patch work and both simple and complex lining easily.

PER CAST  60

(HIGH HEAT DUTY CASTABLE REFRACTORY)

Max. Intermittent Tem.

Max. Continuous Tem.

Al2O3 content

C.C.S. Room Temperature

 

 

 

 

 

1600 oC.

 

1550 oC.

60%

 

300 Kg/cm2

 

This is high heat duty Castable Refractory to withstand temperature Upto 1550 C, best for use in Tunnel kiln car tops soaking pit lids laddle covers, Rotary kilns and their hoods, boiler lining etc.

 

 

ACID & HEAT RESISTANT WARES

 
A.R. WARES are having almost 100% acid resistance, nearly 15 tons per sq.inch Compressive strength and below 2% water absorption. These are Corrosion resistant to practically all chemical and gases except hydrofluoric acid, its derivatives and hot caustic alkalies.

Product

Technical Data

Uses

PERACID BRICKS

Confirming of IS

4860

Resistance to Acid (min)

Water absorption

C.C.S.

Flexural Strength

Loss in w.t. shall not exceed

Cat I

Cat II

Used in Chemical industries, Fertilizer industries and places where Acids and Acidic gases are dealt with. Also suitable for general purpose flooring and storage tanks of chemical Industries.

 

 

 

 

98.5%

 

<2.00%

700Kg/Cm2

100Kg/Cm2

1.5%

 

 

 

 

 

96.5%

 

<4.00%

500Kg/Cm2

70Kg/Cm2

4%

 

PERFECTILE

(CERAMIC UNGLAZED VITREOUS ACID RESISTING TILES)

For size 6"x6"x1.5"

For size 9"x4.5"x1.5"

For size 12"x12"x1.5"

Water Absorption 

Compressive strength (min)

Flexural Strength (min)

Acid Resistance

Abrasion Resistance

 

 

 

 

 

1.5 mm

 

2.0 mm

 

2.5 mm

<2%

 

700Kg/Cm2

 

200Kg/Cm2

>98.5%

Average wear 2mm. Max

 

 

 

 

Used in Chemical industries, Fertilizer industries and places where Acids and Acidic gases are dealt with, specially in lining of tanks & flooring. It is also suitable for general purpose flooring and storage tanks of Chemical Industries.

Manufactured in plain chequered or as desired by the customer in any shape or size to suit the requirements.

PER PIPES

(A.R. PIPES)

Water Absorption

Internal Hydraulic test

 

 

2  to 3%

 

> 3 Kg/Cm2

Used in Chemical Industries, Fertilizer industries and places where Acids and Acidic gases are dealt with.

Internal hydraulic test pressure on the fitting will be 1.5 Kg/Cm2 and their properties are same as above

PER CHEMOR

(CHEMICAL RESISTANT MORTAR)

Working Time, Min.at 27oC+2oC

Flexural Strength,

Min. Kg/Cm2 (at 7days)

Compressive Strength,

Min. Kg/Cm2 (at 7days)

Bond Strength, min.Kg/Cm2

Absorption of tolerance Max. percent by weight

Type Of Mortars

 

 

For laying AR bricks. Tiles & Pipes etc.

 

Sodium Sillicate

Potassium Sillicate

15

 

35

 

 

100

 

 

 

5

 

18

 

 

 

20

 

40

 

 

150

 

 

 

5

 

18

PERSPAR

(ACID/CHEMICAL RESISTANT SPECIALS)

We also manufacture Acid/Chemical Resistant Specials as per your designs & specification. These are almost 100%  Acid/Chemical Resistant (resistant to practically all gases and chemicals), and the water absorption is less than 2%.

 

STONE WARES

 

PERST PIPE

(STONE WARE PIPES)

Porosity

 

Water Absorption

Internal Hydraulic test

Pressure

 

 

 

<2%

 

up to 6%

> 3 Kg/Cm2

 

 

 

Drainage, Sewage, irrigation purpose & Domestic purpose etc..

We Manufacture various sizes angles, Junctions, short bends half round Pipes etc, conforming to IS 651/1980. The Pipes are also very suitable for irrigation purpose as the water absorption of these Pipes is hardly 3 to 6%.

PERST FIT

(STONE WARE FITTINGS)

Porosity

Water Absorption

Internal Hydraulic

Test Pressure

 

 

 

<2%

up to 6%

 

> 1.5% Kg/Cm2

 

 

Resistant to practically all chemicals & Acid, its derivatives and hot caustic alkalies.

In addition to this we are renowned for manufacturing BOMBAY PAN, CHEQURED, FOOT RESTS, SYPHON TRAP FOR BOMBAY PAN etc.

RASCHIG RINGS

 

PER TOWER

(Chemical Tower Packings)

Water Absorption

Acid Resistance

Resistance to Arsenical Crushing Strength

(as per size & types)

Iron Content (Max).

Quality I

 Quality II

 

 

< 1%

> 99.5%

 

 

45 to 100 Kgs.

 

1%

 

 

< 3%

> 98%

 

 

 

 

2.5%

(Pertower shall be fine Ceramic Ware with Glazed or unglazed surface)

  GLAZED WALL TILES

 
MAHESHWARI TILES We manufacture glazed wall tiles as per ISI specifications and your order. As per your requirement. we can give you tiles in different colors and shades. Standard sizes are as under. 

6"x6"

8"x4"

4"x4"

 

PERFECT SPECIALS

We manufacture special refractories as per your specification also.
 

RED CLAY WARES

PER RED BRICK 

(RED BUILDING BRICKS) 

These are red building bricks made of ordinary clay. These are very good and economical for making house building etc. as per standard procedures laid down in IS : 3495 1976. 

PER RED TILE 

(RED FLOORING TILES) 

These are red flooring tiles made of ordinary clay. These are very good having low porosity and very economical for use in house, building, garden pavements road pavements, terraces etc. 

PERBFS

(BUILDING FACIALS)

These are red building bricks, or tiles made of ordinary clay and glazed on any one side. These are very good having low, porosity and very economical for use in houses, buildings, garden pavements, road pavements, terraces etc. 

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