COMPARISON OF STONE, EPOXY & NATIONAL TILES

COMPARISON

Features / Flooring
Material

Stone 1

Stone 2

Epoxy Flooring

National Industrial Tiles

Main Constituents

Limestone or Calcite

Quartzite Sandstone

Organic Copolymers

Inorganic Oxides

Flexural Strength
(n/Sq.mm)

20 - 25

25 – 30

25 - 35

> 40

Water Absorption

2 - 4%

1 - 2%

0.2 - 0.5%

<0.3%

Bulk Density (gm/cu.cm)

2.1 - 2.3

2.1 - 2.5

2.1

2.4

Slipperiness

Polished surface is
slippery

Less slippery

Slippery

Antiskid with co-efficient
of friction >6

Acid-Alkali Resistance

Not Resistant to Acids

Not Resistant to Alkali

Not Resistant to Acids

Resistant to Acids & Alkali

Shear Resistance

Low

Low

Very Low

High

Resistance to heavy
dutyhardwheeltrolley movement

Low

Low

Very Low

High

Scratch Resistance
(Mohs Scale)

3 - 4

5 – 6

4 - 5

> 7

Fire Resistance

Moderate

Good

Inflammable

Fire Proof

Maintenance Cost

High

High

Very High

Low

Service Life

5 Years

5 Years

1 Year

15 Years

Shade Variation

High

High

Very Low

Low

Environment Friendliness

Requires Extensive Mining and destroys natural resources.

Requires Extensive Mining and destroys natural resources.

NA

Environment friendly
and adherence to standards.

Production &
working Conditions

Very Hazardous -
Unorganized

Very Hazardous - 
Unorganized

Adherence to ISO Standards

Adherence to ISO Standards

Safety Standards

No Safety Standards

No Safety Standards

Complies with all safety gear requirements as per health & safety standards.

Complies with all safety gear requirements as per health & safety standards.

Waste Disposals

Disposal in open land without any treatment.

Disposal in open land without any treatment.

Effluent treatment as per Standards.

Effluent treatment as per Standards.

Child Labor

Employed

Employed

Employed in few

No Child Labor

Labor Exploitation

Yes. Day - Night Shifts with below minimum wages.

Yes. Day - Night Shifts with below minimum wages.

Safe & good working
conditions.

Safe & good working conditions. Adhering to Minimum Wage Act.

Ecological Imbalance

Extensive digging / Mining can lead to earthquakes.

Extensive digging / Mining can lead to earthquakes.

NA

NA

Sizes

1.5 x 1.5, 2 x 1, 2 x 1.5, 2 x 2 (Commonly Used)

2 x 1.5, 2 x 2, 2 x 2.5 (Commonly Used)

NA

268 x 132 x 13- 15mm
268 x 132 x 10 mm
52 x 115 x 268 x 10 mm
125 x 255 x 20 - 30 mm      
66 x 268 x 10 mm 
52 x 115 268 x 10 mm
190 x 268 x 10 mm
17x 132 268 x 10 mm

 

 

 

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