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Dustless Chalks

Dustless Chalks has been a traditional teaching aid in Schools, Colleges and other teaching institutions. It is likely to continue to play a critical role in the education in our country, notwithstanding developments around the information technology and erasable ink for white boards. It is typically manufactured by small scale industries with little quality control or formal product specification. Its requirement is estimated to exceed 100,000 tons per annum in the Country, assuming 300 million people using dustless chalks, dustless chalk sticks and less dust chalks or the others.
Less Dust Chalks



Less Dust Chalks

The Product "Less Dust Chalks or Dustless Chalks" developed by us having superior quality to ordinary gypsum chalk sticks and other less dust Chalk sticks. At present in India, less dust Chalk sticks with high density are imported from European and American Countries. The Production of this type Chalk sticks using extrusion method is not developed in India.

The Chalk stick has been a traditional teaching aid in schools, colleges and other teaching institutions. At the present time, teaching Organizations/Institutes and Government departments are more conscious about the effects of Chalk dust on the health of students and faculties. Looking to the development in the teaching Institutes, Schools, Colleges, etc. the less dust Chalk has huge demand and market in India as well as in abroad. Most of the well known Institutes in India are importing the less dust Chalk sticks. Thus looking to demand the Product "Less Dust Chalk Stick" has lot of scope in the Indian market.

Product Specifications in Comparison to Norma! Conventional Chalks:

The Product developed by us is named "Clean Write" which is less dusting writing Chalk manufactured using Calcium Carbonate. It has following specifications.

Sl. No.

Description

Conventional Chalk

Dust Free Chalk

1.

Length, cm

7.5

5.5-6.5

2,

Diameter, mm

10- 12.0

10-10.5

3.

Weight, g

3.76

7-8

4.

Quality of Dust

Fine

Crystalline

5.

Writing Observations

Rough and Screeching

Smooth and Screeching

6.

Writing Length/

 

 

 

Chalk Length (m/cm)

30 - 35

45 -50

7.

Dust in %

1.25-1.5

0.75-0.90

8.

Breakage (30 cm fall),%

20

10-15

9.

Base Material

CaS04

CaCO3

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