Стержни из боросиликатного и кварцевого стекла различных цветов
Стержни из боросиликатного и кварцевого стекла различных цветов
Стержни из боросиликатного и кварцевого стекла различных цветов
Стержни из боросиликатного и кварцевого стекла различных цветов
Стержни из боросиликатного и кварцевого стекла различных цветов
Стержни из боросиликатного и кварцевого стекла различных цветов
Стержни из боросиликатного и кварцевого стекла различных цветов

Стержни из боросиликатного и кварцевого стекла различных цветов


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Цена:2,00 $ - 5,00 $*

Количество:



Описание и отзывы


Трекер стоимости

Месяц Минимальная цена Макс. стоимость
Sep-16-2025 2.52 $* 2.10 $*
Aug-16-2025 2.17 $* 2.42 $*
Jul-16-2025 2.95 $* 2.67 $*
Jun-16-2025 2.0 $* 2.51 $*
May-16-2025 2.87 $* 2.66 $*
Apr-16-2025 2.80 $* 2.34 $*
Mar-16-2025 2.14 $* 2.90 $*
Feb-16-2025 2.39 $* 2.14 $*
Jan-16-2025 2.40 $* 2.73 $*

Характеристики



Product Description




Features of Glass Rod as follow:
1.Productivity: 60T/per day.
2.Outside diameter: from 3mm to 350mm.
3.Length: from 5mm to 2200mm. Normal length: 1000mm-1800mm.
4.Color: Clear or colored
5. High purity>99.98%
6.We can supply special dimensions according to request.
7.MOQ of normal glass tube: 1T.
MOQ of special glass tube: 3T.
8.main chemical content:
1) SiO2: 80± 0.5%
2) B2O3: 13± 0.2%
3) Al2O3: 2.4± 0.2%
4) Na2O(+K2O): 4.3± 0.2%


 Quartz pyrex glass rod made in China
NO.
Physics Performance
Numerical Value
Unit
1
Medium coefficient of linear expansion a20/300 acc. To DIN 52328
3.3±0.1
10-6 K-1
2
Transformation temperature
525±15
degree Celsius
3
Upper annealing temperature
560±10
degree Celsius
4
Softening point
820±10
degree Celsius
5
Working temperature
1260±20
degree Celsius
6
Maximum short-time working temperature
500
degree Celsius
7
20 degree Celsius Density ρ
2.23±0.02
g/cm3
8
Modulus of elasticity E
64
10
9
Poisson's ratioμ
0.20
1
10
Thermal conductivityλw(20 degree Celsius -100 degree Celsius )
1.2
W/m2k
11
Temperature for the specific electrical resistance of 108Ω ·cm(DIN52326)tk 100
250
degree Celsius
12
Stress-optical constant(DIN52314)K
4.0
10-6mm2/N


Packing & Delivery




Carton Box,Pallet and Container


Company Profile




1. With Best Quality, Best Quotation and Best Service win the trust of customers.
2. With first-class facilities, good factory layout and pipelining production, we have comprehensive quality guaranteeing and strict quality inspection system.
3. With People first, Quality focused and Credit upper most, Winton has always been striving for providing you more perfect products and sincere service. Winton Glass company sincerely welcomes friends at home and abroad to Winton for cooperation and seek mutual development.


our certifications




FAQ




1. who are we?
We are based in Shandong, China, start from 2011,sell to South America(10.00%),Africa(10.00%),Central America(9.00%),Western Europe(9.00%),Mid East(8.00%),Southern Europe(7.00%),Eastern Europe(7.00%),North America(6.00%),Domestic Market(6.00%),Southeast Asia(6.00%),South Asia(6.00%),Eastern Asia(6.00%),Northern Europe(5.00%),Oceania(5.00%). There are total about 11-50 people in our office.

2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;

3.what can you buy from us?
Gauge Glass,Glass Disc,Sight Glass,Glass Tube,Glass Rod

4. why should you buy from us not from other suppliers?
Founded in 1998 and located in Yinzhu Industrial Park in Jiaonan,Qingdao Winton Glass CO.,Ltd is specialized in Gauge Glass, Boiler Glass, View Glass, Circles Glass, Quartz Glass, Borosilicate Glass sheet, Sight Glass, Glass Disc, Glass Tubing and Rod.

5. what services can we provide?
Accepted Delivery Terms: FOB,CIF；
Accepted Payment Currency:USD;
Accepted Payment Type: T/T,L/C;
Language Spoken:English,Chinese,Spanish


Our Services




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