Brand：	none
Address：	China
Min.Order：	none
Supply：	none
Valid until：	Long Term

Product Details

Product Description

Specifications

Borosilicate glass tube 3.3
Color: clear
Borosilicate COE3.3 glass tubing:
1. Diameter available: 3.5mm~300mm
2. Wall thickness: 0.8mm~12mm
3. Length: 1220mm~3000mm
4. Regular sizes: 9*2, 12*2, 25*4, 28*4, 32*3.2, 32*4, 38*4, 44*4, 51*4, 50*5.
5. The high borosilicate 3.3 glass tube is used forlab equipment, optical, medical, daily glassware, solar energy, test tube, etc.
6. We can supply special dimensions according to request.
Chemical Composition
SiO2: 81%
B2O3: 13%
Na2O+K2O: 4%
Al2O3: 2%

Chemical Composition
SiO2: 81%
B2O3: 13%
Na2O+K2O: 4%
Al2O3: 2%

Specification

Physical Performance	Numerical Value	Unit
Coefficient of Mean Linear Thermal Expansion(ISO 7991)	3.3±0.1	10 -6 K -1
Transformation Temperature	525±15	°C
Softening Point (ISO 7884-6)	820±10	°C
Working Point (ISO 7884-2, ISO 7884-5)	1260±20	°C
Upper Cooling Temperature (ISO 7884-7)	560	°C
Lower Cooling Temperature (ISO 7884-7)	510	°C
Density at 20°C	2.23±0.02	g/cm 3
Thermal Conductivity (20°C--100°C)	1.2	w/m 2 K
Specific heat capacity at constant pressure	0.8× 10 3	J×/Kg@K
Modulus of elasticity	64 × 10 3	MPa
Tensile strength	35-100	MPa
Poisson constant	0.2
Refractive Index	0.92

Packing & Delivery

Company Profile

Qingdao Hongya Glass Co.Ltd is major in a professional and comprehensive company and is one of the leading manufactures and
exporters in China with extensive experience.

Our products is the fire/high temprature resistance glass,glass ceramics, Borosilicate glass,quartz glass...Our product products
has widely used in fireplace/stove,cooking utensils, building industry, papermaking industry and so on.

Though remarkable achievement has been accomplished,our company will always stick to our principles:
product of high quality is the life of our company,and benign cooperation relationship with our business partners is impetus to
continuous development of our company.

Business Type	Trading Company	Country / Region	Shandong, China
Main Products	Tempered glass, Special glass, glass tube, decorative, Photovoltaic glass	Total Employees	51 - 100 People
Total Annual Revenue	US$5 Million - US$10 Million	Year Established	2018
Certifications	-	Product Certifications	-
Patents	-	Trademarks	-
Main Markets	Africa 20.00% Western Europe 10.00% South Asia 10.00%

Africa	20.00%
Western Europe	10.00%
South Asia	10.00%
Mid East	10.00%
North America	10.00%
Southeast Asia	10.00%
Eastern Europe	10.00%
Central America	10.00%
Eastern Asia	5.00%
Northern Europe	5.00%
South America	5.00%

No. of Employees in Trade Department	11-20 People
Average Lead Time	20
Total Annual Revenue	US$5 Million - US$10 Million

Accepted Delivery Terms	FOB, CFR, CIF, EXW, FAS, CIP, FCA, CPT, DEQ, DDP, DDU, Express Delivery, DAF, DES
Accepted Payment Currency	USD, EUR, JPY, HKD, CNY
Accepted Payment Type	T/T, L/C, D/P D/A, MoneyGram, Credit Card, PayPal, Western Union, Cash, Escrow
Nearest Port	Qingdao, Tianjin, Shanghai

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