RUBY MICA CO. LTD.
Natural Mica Block

Natural Mica Block

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Natural Mica Block

 

Having 47 years of understanding, we manufacture, export and supply a wide assortment of Natural Mica Block. This block is processed by utilizing optimal quality mica with the aid of advanced processing methodology under the observation of our professionals. The offered block is highly demanded in the formation of electrical insulators and gauge glasses for furnaces. Provided block is offered in varied quantity to fulfill exact requirements of our clients. We offer this Natural Mica Block at the most marginal price to our clients.

Key Features:

  • Crack resistance
  • Chemically inert
  • Resistant to heat
  • High insulation
  • Marginal price

Classifications:

Bihar Classification Qualities of Block Mica

Grading of Mica According to Area

Madras Classification of Qualities of Block Mica


Grades

Alternative Description

Area in Sq. Inches


Superfine

Over over Ex Ex Sp

100 up

100 & over

Clear Green 1st

Clear & Slightly Stained

Over Ex Ex Sp

Over over Ex Spl

80-100

Clear Green 2nd

Fair Stained

Ex Ex Spl

Over Ex Spl.

64-80

Green B.Q.

Good Stained

Ex Spl

Ex Spl

48-64

Ruby A.Q

Stained

Special

Special

36-48

Ruby B.Q

Heavily Stained

No.1

No.1

24-36

Spotted 1st Quality

Densely Stained

No.2

No.2

15-24

Spotted 2nd Quality

Spotted 1st Quality

No.3

No.3

10-15

N.B For simplification in classification Clear Green 1st and 2nd are usually described as either Green Clear II of just Green Clear whilst Green B.Q. Is shown separately

Spotted 2nd Quality

No.4

No.4

6-10


No.5

No.5

3-6


No.5 1/2

No.5 1/2

21/4-


No.6

No.6

1-21/4


No.7

No.7

Below 1