• B2O3 BORON OXIDE 5N 99.999%
  • Appearance:Like colorless glass

Physical Properties

Molecular weight :69.6
Density :1.84(20℃),A1.65(500℃),A1.53(1000℃)
Viscosity(poise) :3630(600℃),A355(800℃),A100(1000℃).A39.8(1200℃)
Free energy :-3.3 Kcal/formula wt.
Vapor pressure(mmHg.) :1.95 x 10-4(1021 ℃) ,A1.91x 10-1(1368℃)
Size (mm ) Weight(g ) Size (mm ) Weight(g )
20
25
26
30
35
37
40
44
46
48
50
53
55
58
60
62
65
70
72
75		 5-(15)-30
10-30
10-20
10-30
15
20-35
20-40(60)
25-50
25-130
25-55
30-100
30-85
40-90
40-42
60-120
60-200
70-160
80-200
80-130
80-200		 80
83
85
90
95
100
105
110
120
125
140
142
145
150
175
180
184
195
218		 100-200
100-170
100-230(250)
100-255(300)
100-400
120-400
120-275
120-300
300-600
300-400
200-1000(1200)
200-500
200-500(1200)
400-700
600
600-1000
600-1000
600-1000
1000-1500

*Other forms and weight are also available in response to customer’s request

Moisture content

Grade Moisture content(ppm)
AA
A
B
C
D
E		 1600±100
1200±100
500±50
300±50
120±10
≦ 100

Analysis

Grade Moisture content(ppm)
Si
Al
Fe
Pb
Cu
Zn
Cr		 0.2ppm
0.1ppm
0.2ppm
0.05ppm
0.05ppm
0.01ppm
0.01ppm

Package…Sealed in polyethylene-aluminum laminated film bags under vaccum

WARNING
B2O3 encapsulant is extremely hygroscopic in air or on finger-touch,and should be
handled quickly with fweezeos and gloves.

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