glass beads sand blasting

Chemical Name

& Synonyms

Soda-lime Silicate-Glass

Chemical Family

Silicate glass without free silica

Formula

SiO₂

71-73%

Na₂O

13-15%

MgO

3-5%

CaO

8-10%

Al₂O₃

0.5-2%

K₂O

0.2-0.6%

Physical Properties

Boiling Point               N/A

Vapour Pressure                          N/A

Percent Volatile by Volume    Nil

Vapour Density                           N/A

Evaporation Rate            N/A

Odour                                   Nil

Refractive Index            1.52

Oil Absorption (ASTM)                     17

Solubility in Water     Not Soluble

Mohs                                    6

Absolute Specific Gravity(H₂O=1)2.46

Knoop Load 100:515kg/mm²

Absolute Specific Gravity 1.6kg/dm³

Hardness DPH Load 50kg:540kg/mm²

Specific Heat Average 0.18kcal/mh^oC

Dielectric Strength 4,500kv/cm

Dielectric Constant 7.2(1MC at 20^oC)

Expansion Coefficient 8.5*10-6

Reactivity Data

Stability

Instability

Incompatibility

Hazardous Decomposition Products

Polymerisation Hazard

Nothing to avoid

Nothing to avoid

Avoid Hydrofluoric Acid

None

Nothing to avoid

Special Protection Information

Ventilation

Respiratory Protection

Eye Protection

Hands

Local Exhaust Recommended

Dusk Mask Recommended

Goggles Recommended

Gloves Recommended

Packaging

Polythene bags containing sachet desiccant as necessary

Transportation

No special required

Storage

Store in a dry environment under cover

Avoid extreme temperature changes

Spillage or Leakage Procedures

Spillage may result in slippery conditions. Beads should be cleared up immediately without creating dust

Waste Disposal

Since glass beads are inert they may be disposed of in a commercial land-fill site

Microns

Mesh

Inches

Sphere Count

590-840

20-36

.0234-.0331

65%

420-590

30-40

.0165-.0234

70%

250-420

40-60

.0098-.0165

70%

177-297

50-80

.0070-.0117

80%

149-250

60-100

.0059-.0098

80%

105-210

70-140

.0041-.0083

80%

74-149

100-200

.0029-.0059

90%

53-105

140-270

.0021-.0041

90%

44-88

170-325

.0017-.0035

95%

30-62

270-500

.0012-.0024

95%