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bola de cristal: SODA LIME GLASS BALLS--ZIBO NAAO

Zibo Naao Trading Co., Ltd.Date:2019-01-21 14:12:20 Read:

bola de cristalSODA LIME GLASS BALLS--ZIBO NAAO

Light weight glass balls, they are chemically inert and they allow to get excellent surface finishing.

 

Applications

Special bearings and valves, plastic bearings, low-cost check valves, metering pumps, flow meters, measurement instruments, agitators, optic fiber devices, ink cartridges, closures for bottle, shot blasting, grinding. They are used even into art and decoration fields.

 

Chemical composition

SiO2

Na2O

CaO

MgO

Al2O3

Li2O

K2O

TiO2

Fe2O3

PbO

63.00-81.00

9.00-15.00

7.00-14.00

6.00 max

2.00 max

2.00 max

1.50 max

0.80 max

0.80 max

0.010 max

 

Physical / mechanical / thermal / electric / magnetic properties

Property

Symbol

U.o.M.

Type

Notes

Values

Density

δ

g/cm^3

Physical

Room temp.

2.50

Young's modulus

E

GPa

Mechanical

-

70

Refractive index

n

-

Optic

-

1.518

Softening temperature

-

ºC/ºF

Thermal

Room temp./P.atm.

726 / 1340

Coefficient of linear thermal expansion

α

10^-6/ºC

Thermal

(ΔT=0-100°C)

9.4

Thermal conductivity

λ

W/(m·K)

Thermal

Room temp.

1.00

Volume resistivity

ρ

Ω*m

Electric

-

> 10^14

Relative magnetic permeability

µ

-

Magnetic

Diamagnetic

<~1

 

Technical data

Property

Type

U.o.M.

Values

U.o.M.

Values

Hardness

Mechanical

Knoop

465-585

-

-

Ultimate compressive strength

Mechanical

MPa

900-1100

psix10^3

131-159

Service temperature

Thermal

ºC

0/200

ºF

32/392

 

Range

Diameters

U.o.M.

Diameters

U.o.M.

Precision Grade (ISO 3290)

1.000- 100.000

mm

3/64 -4

inch

G100-200-500-1000-2000

 

Corrosion Resistance

Basically inert material, soda lime balls resist even to strong alkaline solutions.

 

 

 



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