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Reliable Supplier Test Tube With Cork For Milk Powder - High Quality Frosted Milky White Borosilicate Glass Tubes – Hongya Featured Image
  • Reliable Supplier Test Tube With Cork For Milk Powder - High Quality Frosted Milky White Borosilicate Glass Tubes – Hongya
  • Reliable Supplier Test Tube With Cork For Milk Powder - High Quality Frosted Milky White Borosilicate Glass Tubes – Hongya
  • Reliable Supplier Test Tube With Cork For Milk Powder - High Quality Frosted Milky White Borosilicate Glass Tubes – Hongya

Reliable Supplier Test Tube With Cork For Milk Powder - High Quality Frosted Milky White Borosilicate Glass Tubes – Hongya

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We are committed to providing easy,time-saving and money-saving one-stop purchasing service of consumer for 3mm Clear Float Glass For Window, Low Iron Clear Tempered Glass, Crushed Glass Frosted For Fish Vase Decorative, For further queries or should you have any question regarding our products, please do not hesitate to contact us.
Reliable Supplier Test Tube With Cork For Milk Powder - High Quality Frosted Milky White Borosilicate Glass Tubes – Hongya Detail:

Milky white frosted silica glass quartz tube

1. high temperature resistance glass can work under 1200°C continuously,and in short time can even work under 1450°C, its softening point is 1650°C,and the melting point is 1650-1800°C.
2.Corrosion resistant, Except hydrofluoric acid, Quartz tube do not react with any acid and base except hydrofluoric acid.the stability is 30 times of the ceramic,and 150 times of stainless steel .
3.Excellent thermal shock stability
4.High transmission to 85%
5.Electric insulation ,it is 10000 times of usual glass.

ensity
2.2×103 kg/m3
Dielectric Properties
(20°C and 1 MHz)
Hardness
5.5 – 6.5 Mohs’ Scale 570 KHN 100
Constant
3.75
Design Tensile Strength
4.8×107 Pa (N/m2) (7000 psi)
Strength
5×107 V/m
Design Compressive Strength
Greater than 1.1 x l09 Pa (160,000 psi)
Loss Factor
Less than 4×10-4
Bulk Modulus
3.7×1010 Pa (5.3×106 psi)
Dissipation Factor
Less than 1×10-4
Rigidity Modulus
3.1×1010 Pa (4.5×106 psi)
Index of Refraction
1.4585
Young’s Modulus
72GPa (10.5×106 psi)
Constringence (Nu)
67.56
Poisson’s Ratio
0.17
Velocity of Sound-Shear Wave
3.75×103 m/s
Coefficient of Thermal Expansion
5.5×10 -7 cm/cm·°C (20°C-320°C)
Velocity of Sound/Compression Wave
5.90X103 m/s
Thermal Conductivity
1.4 W/m·°C
Sonic Attenuation
Less than 11 db/m MHz
Specific Heat
670 J/kg·°C
Permeability Constants(700°C)
(cm3 mm/cm2 sec cm of Hg)
Softening Point
1683°C
Helium
210×10-10
Annealing Point
1215°C
Hydrogen
21×10-10
Strain Point
1120 °C
Deuterium
17×10-10
Electrical Resistivity
7×107 ohm cm (350°C)
Neon
9.5×10-10
Parameter/ Value
JGS1
JGS2
JGS3
Maximum Size
<φ200mm
<φ300mm
<φ200mm
Transmission Range
(Medium transmission ratio)
0.17~2.10um (Tavg>90%)
0.26~2.10um (Tavg>85%)
0.185~3.52um (Tavg-85%)
OH- content
1200ppm
150ppm
5ppm
Fluorescence (ex254nm)
Virtually Free
Strong V-B
Strong V-B
Impurity Content
5ppm
20-40ppm
40-50ppm
Birefringence Constant
2-4nm/cm
4-6nm/cm
4-10nm/cm
Melting Method
Synthetic CVD
Oxy-Hydrogen melting
Electrical melting
Applications
Laser substrate: window, lens, prism, mirror
Semiconductor and high temperature window
IR & UV substrate

Packing & delivery quartz glass tube

1.plastic bubbles
2.polystyrene foam sheet
3.carton
4.wooden case
5.delivery by shipping or Express, such as EMS/DHL/TNT/UPS/Fedex within 3-5 working days.

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Product detail pictures:

Reliable Supplier Test Tube With Cork For Milk Powder - High Quality Frosted Milky White Borosilicate Glass Tubes – Hongya detail pictures

Reliable Supplier Test Tube With Cork For Milk Powder - High Quality Frosted Milky White Borosilicate Glass Tubes – Hongya detail pictures

Reliable Supplier Test Tube With Cork For Milk Powder - High Quality Frosted Milky White Borosilicate Glass Tubes – Hongya detail pictures

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All we do is usually affiliated with our tenet " Buyer to start with, Belief to start with, devoting about the food packaging and environmental defense for Reliable Supplier Test Tube With Cork For Milk Powder - High Quality Frosted Milky White Borosilicate Glass Tubes – Hongya , The product will supply to all over the world, such as: Salt Lake City, Sudan, Iraq, We follow superior mechanism to process these products that ensure optimum durability and reliability of the products. We follow latest effective washing and straightening processes that allow us to offer unmatched quality of products for our clients. We continually strive for perfection and all our efforts are directed towards attaining complete client satisfaction.

    • This manufacturers not only respected our choice and requirements, but also gave us a lot of good suggestions, ultimately， we successfully completed the procurement tasks.
    5 Stars By John from Serbia - 2016.06.29 18:55
    The goods are very perfect and the company sales manager is warmful, we will come to this company to purchase next time.
    5 Stars By Teresa from Netherlands - 2016.01.11 17:15
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