Glass Beads
Glass Bead for Sand Blasting
Glass beads is widely used in cleaning and metal
surface strengthening treatment technology, it is a unique feature of abrasive ,mainly
used for sand blasting equipment.
Glass beads for Grinding
With the advantages of smooth surface, even size,
high hardness, wearable and stable, widely used as disperser, grinding media
and filler materials in day, paint, ink and chemical industry.
Glass beads for road making
Improve the road marking line contrary reflection
function. When driving at night, the lamp shines on the marking line with glass
bead in it, the ray of lamp is reflected back parallelly. So the driver can
look at the road clearly and drive safely at night.
size we offer
|
Type
|
US STD.
SCREEN
|
SIZE OPENING (MICRONS)
|
MIN.
SPHERE COUNT
|
GB STD.
SCREEN
|
SIZE OPENING
(MICRONS)
|
|
Sandblasting
size
|
20 to 30
|
850 to 600
|
80 %
|
GB 30#
|
400 to 800
|
|
30 to 40
|
600 to 420
|
80 %
|
GB 40#
|
250 to 400
|
|
40 to 50
|
420 to 300
|
80 %
|
GB 60#
|
200 to 250
|
|
50 to 70
|
300 to 210
|
85 %
|
GB 80#
|
150 to 200
|
|
60 to 80
|
250 to 180
|
85 %
|
GB 100#
|
110 to 150
|
|
70 to 100
|
210 to 150
|
85 %
|
GB 120#
|
100 to 140
|
|
80 to 120
|
180 to 120
|
85 %
|
GB 150#
|
80 to 110
|
|
100 to 17
|
150 to 90
|
90 %
|
GB 180#
|
70 to 100
|
|
120 to 20
|
125 to 75
|
90 %
|
GB 220#
|
50 to 80
|
|
140 to 230
|
105 to 62
|
90 %
|
GB 280#
|
40 to 70
|
|
170 to 325
|
90 to 45
|
95%
|
GB 320#
|
1 to 40
|
|
270 and fine
|
53 to 0
|
95 %
|
|
|
|
Grinding size
|
0.8mm ~1.0mm,1.0mm ~1.5mm,1.5mm~2.0mm,2.0mm ~2.5mm,2.5mm ~3.0mm,
3.0mm ~4.0mm,4.0mm~ 5.0mm,5.0mm~6.0mm,6.0mm ~7.0mm
|
|
Glass beads For road making
|
|
Type
|
size distribution (um)
|
quantity(%)
|
|
No.1:Drop on hot melted coating&road mark lines
|
>850
|
0
|
|
850—600
|
5—30
|
|
600—300
|
30—80
|
|
300—106
|
10—40
|
|
No.2:Pre-mixed in traffic paint
|
>600
|
0
|
|
600-300
|
40-90
|
|
300—150
|
5—60
|
|
<150 0-5
|
<150 0-5
|
|
No.3:Drop on normal atmospheric solvent coating
|
>212
|
0
|
|
<90
|
0-4
|
|
|
|
|
|
|
|
|
|
5． physical and chemical indicators
|
SiO2
|
Na20
|
CaO
|
MgO
|
A1203
|
K20
|
|
70%-74%
|
12%～15%
|
8%-10%
|
1.0%-3.8%
|
0.2%-1.8%,
|
0%～0.5%
|
Specific gravity:2.4-2.6g/cm3
Compressive strength:＞1200N
Hardness:6-7