Quartz Boiling Flasks, Round Bottom, with Joints
Material Quartz glass Purity : More than 99.99% Characteristic : 1.high quality competitive price and elegant appearance 2.high temperature resistence and corrosion resisting 3.no bubble and no processing trade 4.long time to use HENGTAI INTERNATIONAL CO., LTD. , http://www.hengtai-power.com
Specifications
2.Good corrision resistanceÂ
3.Hig transmittanceÂ
4.ISO-9001 certified
About Donghai Yukang Quartz Material Co., Ltd:
We can supply more than 5 types and 70 speculations, ranging from 3-300mm clear quartz tube(high purity, good heating resistance, low OH), UV-stop quartz tube, red quartz tube, processed quartz tube, quartz rod, quartz plate, gray quartz tube, and so on. And we have further capacity of trim cutting, fire-polishing, pinching, and bending, and so on.
After-Sale service:
1) 24 hrs service for customers.
2) quality issue, we accept reworking if quality is not reach your requirements.
3) sample available for free.
4) OEM service acceptable. Welcome your artwork.
Your design and drawing are accepted, we can make as your requirement. Waitting for your special specification to offer.
AL
Fe
K
Na
Li
Ca
Mg
Cu
Mn
Cr
B
Ti
5-12
0.19-1.5
0.71-1.6
0.12-1.76
0.38-0.76
0.17-1.23
0.05-0.5
0.05
0.05
<0.05
<0.1
<1.0
Spectral transmission at  1.0mm thickness
m m
<220
255
280
315
350
38
590
780
%
89
91
93
93
93
93
93.2
93.4
Physical Prop er ties
(g/cc)Density20 °C kg.m-3
2.2
Degree of Hardness Moh's Scale
5.5-5.6
Softening point(degree)
1683
Annealing point
1215
Defoamation Point
1120