Ecvv Trade
Jinan C-Flying Industrial Co., Ltd.

China Manufacturer with main products: Pharmaceutical, Glass, Packing, Vial

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Boro 3.3 clear glass rod


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Specifications

Borosilicate Clear Glass Rod
Physical data sheet

No.
Physics performance
Numerical Value
Unit
1
coefficient of mean linear thermal expansion(20ºC-300 ºC)
3.3±0.1
10-6K-1
2
Transformation Temperature
525±15
ºC
3
Softening point
820±10
ºC
4
Working point
1260±20
ºC
5
Density at 20ºC
2.23±0.2
g/cm2
6
Mean thermal conductivity(20ºC-100ºC)
1.2
W/m.K
7
Refractive Index
0.92
l
Chemical Composition in approximate weight %( main components)

Item .
SiO2
B2O3
AL2O3
Na2O +K2O
%
81
13
2
3.08
                                                                           
Chemical Data:
Hydrolytic resistance at 98ºC          ISO719-HGB 1
Hydrolytic resistance at 121ºC         ISO720-HGB 1
water resistance                       Grade 1              Test method: ISO1776
Acid resistant Class                   Grade 1              Test method: ISO1776
 
OD(MM)
Deviation
Out of round
Straightness
4
+ 0.4
0.4
3‰
6
+ 0.4
0.4
3‰
7
+ 0.4
0.4
3‰
8
+ 0.5
0.5
3‰
9
+ 0.5
0.5
3‰
10
+ 0.5
0.5
3‰
11
+ 0.6
0.6
3‰
12
+ 0.6
0.6
3‰
14
+ 0.7
0.7
3‰
16
+ 0.8
0.8
3‰
18
+ 0.9
0.9
3‰
20
+ 1.0
1.0
3‰
22
+ 1.2
1.2
3‰
24
+ 1.3
1.3
3‰
26
+ 1.4
1.4
3‰
28
+ 1.5
1.5
3‰
30
+ 1.6
1.6
3‰
32
+ 1.8
1.8
3‰
Special order can be taken according to requirement.
Standard Length
Glass Rod-----------------------------------------1200+/- 20mm
 
 
  

Service Process

Service Guarantee

  • Free Service Charge

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  • Deposit Service Commitments

    In order to improve the quality of service, ECVV will charge for a 100CNY deposit for the agent purchasing order, and the deposit will be part of subsequent purchasing costs.

    After paying a deposit, if the purchasing order is not completed because of unsatisfied ECVV services, ECVV will refund your deposit.

Boro 3.3 clear glass rod from this supplier

Color Borosilicate Glass Rod    
FOB Price: 0.58-5.53 USD/Kilogram
Min Order: 2,000 Kilograms

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