Domed/one end closed Quartz Glass Tube

Domed Quartz Glass Tube    Product Description Dimension:  22*1*600mm                              one end closed Products features: Clear and clean, High homogeneity High temperature resistant High light transmission Anti chemistry attack   Working temperature: Regular working temperature: 1000°C Working temperature for short term:1100°C instant working max temperature:1300°C   Mechanical Property: 

Mechanical Property	Reference Value	Mechanical Property	Reference Value
Density	2.203g/cm3	Refractive Index	1.45845
Compressive Strength	>1100Mpa	Coefficient of thermal expansion	5.5×10-7cm/cm.°C
Bending Strength	67Mpa	Hot work temperature	1750~2050°C
Tensile Strength	48.3Mpa	The temperature for a short time	1300°C
Poisson's Ratio	0.14~0.17	The temperature for a long time	1100°C
Elastic Modulus	71700Mpa	Resistivity	7×107Ω.cm
Shearing Modulus	31000Mpa	Dielectric Strength	250~400Kv/cm
Moths Hardness	5.3~6.5(Moths Scale)	Dielectric Constant	3.7~3.9
Deformation Point	1280°C	Dielectric absorption coefficient	<4×104
Specific Heat(20~350°C)	670J/kg °C	Dielectric loss coefficient	<1×104
Thermal Conductivity(20°C)	1.4W/m °C

       Company Information ZCQ is a full value-added distributor in custom quartz products manufacturing. We believe customers should be regarded as root of the trees if a company desires flourishment and fruits. Our mission is to provide a comprehensive suite of services related to meet your needs. We go out of our way to ensure that you receive the service and personal attention you deserve.   ISO 9001and ROHS Certified –We are ISO 9001 and RoHS Certified, and will provide any certifications you need about the quality of our products. Our company founding and manufacturing history can be dated back to 1998.   Quotes in 24 Hours or Less– Each Enquiry is replied within 24 hours. Individual sales representative is also pleased to answer your phone call within or out of office time. Please send email us in case international phone call cant be reached.   Low Order Minimum – Just $35 for you to order any group of quartz products in or out of stock.   Custom and prototyping are welcome–We welcome custom quartz products to meet your exact specifications. With a team of senior quartz experts, we can also offer advises on product design for free.   Prompt Lead TimesFor products in stock, product will be delivered in 1 or 2 days.For custom products, it takes 5-10 days. No matter what type, we try to understand and support customer’s time requirement.   On-Time Delivery In 5-7 or 10-20 days, Product parcel shall arrive at assigned destinations. Shipping methods via China post(15-20 days) Epacket (10-15days) EMS(7-10days) Fedex(5-7days) DHL(5-7days)   Free Samples We are pleased to send free samples to customers whoever interested in business and cooperation with us. Shipping charge shall be paid by customers from the other part of the globe.   Company tour invitation 1 hour from international meeting center of Beijing, ZCQ invites guests to visit our company after long day meeting and get relaxed in nature. Our company is also sitted in arms of mountains and river.   With over 70 personnel in sales and support alone, ZCQ is ready to handle even the most difficult request. We hope you will have the most content quartz products buying experience possible and can focus on your core strengths.     Our Services Questions and help If you have any questions concerning products, please call us at 86-10-89770383 ,86-13241781622 or email us .   Order Acceptance and Pricing ZCQ will provide a Pro Forma Invoice as confirmation on customers’ order. Production will be arranged in line with technical specification within the invoice once payment received .   Payment Terms Advanced T/T Credit Card Payments: ZCQ accepts Visa, MasterCard, and American Express. We also accepts paypal payment .   Shipping & Handling Freight Policy: If you have a freight collect account with any shipping carrier, please tell us in advance. Or we will advise you a most economic method of shipment before checkout.   Return/Guarantee Policy A Return Merchandise is to be returned on the original shipping form. Returns may be subject to freight. Credit will not be issued until the return has been received and inspected by ZCQ. Please send us an email and include your order number.