21.5inch FHD DVD Combo Digital LED TV with DC 12V Cigar Lighter

21.5inch FHD DVD Combo Digital LED TV with DC 12V Cigar Lighter
Product Introduction:
Solar Grade Quartz Disc is used in high quality based quartz material in solar field with high processing utilization.
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Description
Technical Parameters

Application

Solar Grade Quartz Disc is used in high quality based quartz material in solar field with high processing utilization.

1.0


Characteristics

Solar quartz plate features accurate flatness, low thickness deviation and few bubbles, etc.


Code

PQ161S


Specification (Unit:mm)

Diameter

Height

Length

50-450

2-30

1000-3000


Physical & Chemical Properties

1) Trace Elements (Unit:ppm)

Value

Al

Ca

Cr

Cu

Fe

K

Li

Mg

Mn

Na

Ti

Zr

Typical Value

16.2

1

<0.05

<0.05

0.5

1.2

0.9

0.2

<0.05

1.1

1.5

1

Max Value

25

1.5

0.1

0.1

1

1.5

1.5

0.2

0.2

2

4

2

2) OH Content

PQ161S

OH<10ppm

3) Physical Properties

Item

Index Value

Density(g/cm3

2.2

Heat Conductivity(w/m·k,1000℃)

2.28

Coefficient of Thermal Expansion(℃-1,1000℃)

5.5×10-7

Softening Point(℃)

1670

Annealing Point(℃)

1210

Strain Point(℃)

1110

4) Coefficient of Thermal Expansion & Viscosity

09


Our Main Product


Main Application


Company Advantage

● Doctor-post work station and top quartz inspection lab;

● Self-innovated production process and equipment;

● Own important National patents and core technologies;

● Purity of SiO2 can reach to 99.995-99.999%;

● Applied into lighting, solar, optics, optical fiber, semiconductor and etc;

● Cutting-edge melting technology;

● World famous quartz glass supplier;

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CNAS Certified Laboratory


Main Production Facilities


Our Service

1. Timely response

Timely response to your inquiry, multiple choice recommendations based on your demand, quickly respond mails and provide solutions;

2.Sample evaluation

Provide sample and trial order are accepted for the quality evaluation;

3. Strict quality control

Arrange production on time and control quality strictly;

4. Short delivery time

Book the earliest vessel or plane to guarantee the delivery time.A:Sample needs 3-5 days, mass production time needs 1-2 weeks for order quantity more than 100KG;

5. Professional and complete shipping documents

Provide all the detailed news and pictures from order to delivery; Offer relative export documents and original certificate if needed;

6. Warm and considerable after-sale service


Customers Visiting & Exhibition Moment

3.0

 

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