Type P Glass Beads (soda line)

  • Produced either in soda-lime glass or in high-quality borosilicate glass
  • High chemical resistance
  • Often used in chemical industry, in dosage pumps or ball bearings

Chemical composition weight-%

SiO2

70.00 %

K2O

5.65 %

Na2O

9.48 %

CaO

5.83 %

BaO

3.15 %

Others

 

 

Chemical Composition weight-%

Hydrolytic class

HGB 3

DIN ISO 719

Acidic class

S 2

DIN 12116

Alcaline class

A 3

DIN 695

Specific weight

2.58 kg/ltr.

DIN ISO 787-10

 

Grades and Tolerances ANSI/AFBMA - 10.1989

Grade

Deviation from spherical form in micron

Maximum surface roughness in micron

200

5

0.2

100

2.5

0.125

Some of the mainly used standard sizes:

Diameter *)

Tolerance **)

Roundness**)

Stand. Surface

Weight/1000 pcs

Pieces / 1000 gr

2,381 mm 3/32“

+/- 0,02 mm

= 0,02 mm

polished

17,67 gr.

56.596

3,175 mm 1/8“

+/- 0,02 mm

= 0,02 mm

polished

41,90 gr.

23.869

5,556 mm 7/32“

+/- 0,02 mm

= 0,02 mm

polished

224.51 gr.

4.454

7,144 mm 9/32“

+/- 0,02 mm

= 0,02 mm

polished

477,27 gr.

2.095

9,525 mm 3/8“

+/- 0,02 mm

= 0,02 mm

matt

1.131,19 gr.

884

13,494 mm 17/32“

+/- 0,02 mm

= 0,02 mm

matt

3.216,34 gr.

311

15,081 mm 19/32“

+/- 0,02 mm

= 0,02 mm

matt

4.489,83 gr

223

15,875 mm 5/8“

+/- 0,02 mm

= 0,02 mm

matt

5.236,98 gr.

191

25,400mm 1“

+/- 0,02 mm

= 0,02 mm

matt

21.450,67 gr.

47