Indian Standard: Sandblasting glass beads


S. NO.

DESCRIPTION

GRADE

MICRON SIZE

INCHES

1.

Coarse I     ‘O’

SGB – 2

600 – 800

0.023 – 0.033

2.

Coarse II   ‘BL’

SGB – 3

425 – 600

0.016 – 0.023

3.

Medium      ‘C’

SGB – 4

250 – 425

0.009 – 0.016

4.

-

SGB – 5

212 – 425

0.008 – 0.016

5.

-

SGB – 6

212 – 300

0.008 – 0.011

6.

-

SGB – 7

180 – 300

0.007 – 0.011

7.

-

SGB – 8

125 – 250

0.005 – 0.010

8.

Fine          ‘AD’

SGB – 9

106 – 212

0.004 – 0.008

9.

Superfine I ‘AF’

SGB – 10

90 – 150

0.003 – 0.006