1. High purity: SiO2 >99.99%;
2. High light transmittance, JGS1, JGS2, JGS3;
3. Strong Hardness;
4. Acid and Alkali resistance;
5. No air bubble, air line, strip or or scratch;
6. High temperature resistance;
7. Excellent thermal shock stability ,Small thermal expansion coefficient;
8. Excellent electrical insulator;
9. ISO 9001 Certification;
10. We can accept customized according to your requirement.
Specification & Properties
Modulus of rigidity
Specific heat (20 ~ 350 °C)
Thermal conductivity (20 °C)
Index of refraction
Thermal processing temperature
Short-term working temperature
Long-term working temperature
1270 C Fused The Quartz Glass Brick
Controlled 10/20/100 PPM
Electrical Resistivity: 1000℃
1x106 Ω. cm
The chemical composition of clear quartz glass: (unit: ppm)
Spectral transmittance of clear quartz glass at 1.0mm thickness
They are widely used in optical instrument, sight glass, observation window for furnace, semiconductor, photoelectron, military industry, metallurgy, lab glassware and many other fields.
Jinzhou HuaFeng Quartz Glass Electric Appliance Co., Ltd. is a professional manufacturer to produce all kinds of quartz glass products, which is located in Jinzhou City, China. Our company was established in 2003, we are mainly engaged in quartz glass products export business. We have an advanced production equipment and strong production strength. We have an advance research team which can design all kinds of quartz products to satisfy customers' need.
Our products are widely used for all kinds of industries, such as chemical industry, semiconductor, electric light source, electric heater, semiconductor, infra-red heating, light Optical communication and so on.
Our products are sold all over the world! We produce all kinds of quartz products, such as quartz glass plate, quartz glass tube, quartz bowl, quartz glass mallet, vessels, quartz glass far-infrared heater, and various complex instruments. Specializing in the production of quartz spring scales and complete sets of quartz equipment, we can also produce kinds of shaped quartz plate and optical quartz plate, watch glass, quartz spherical standard grinding mouth and quartz gooseneck tube.
We also produce a complete purification equipment for quartz glass sulfuric acid, nitric acid, hydrochloric acid and various chemical reagents, a complete equipment for high-purity water sub-boiling distiller, and variety of quartz crystal sound healing products, with the high production technology level in the same industries. The products have passed the ISO9001 international quality system certification.
Advanced equipments such as quartz glass lathe, cutter machine, grinding machine, polishing machine, glass chamfer machine, glass cleaning machine, annealing machine, test machine, and so on.
We keep improving and innovation, and will try our best to satisfy all your requirements.
Welcome to contact with us !
1. Over 20 years professional manufacturer for quartz crystal products.
2. Our Own Engineer and R & D Team.
3. We offer you competitive factory wholesale price.
4. OEM & ODM are available.
5. We accept customized.
6. We try all our best to offer you best service.
7. We send you detail pictures of products before shipping.
Q1. Is Huafeng a factory or trading company?
A: Huafeng is a factory, we are professional manufacturer of all kinds of quartz crystal products since 1993.
And we also have a big international trade team.
Q2. Can I have samples?
A: Yes, we can offer samples for you to check and test. Depends on sample quantity and product model, we will confirm with you whether it's free sample or not.
Q3. How long shall I wait for quotation?
A: Usually we will quote you the best price within 24 hours after your inquiry.
Q4. How about shipping?
A: We will arrange the shippingment as customers request, we can ship via express like FedEx, UPS, DHL, TNT, EMS, etc. We can also ship via sea for the bulk order.
Q5. How about your delivery time?
A: Small orders would take 7-10 working days, longer time for large order, based on the quantity.
Q6. What if broken during the delivery?
A: We would afford the broken, make up for every customer.
Q7. Can you customize?
Q8. Why we can choose you?
A: Reliable-- We are a real company, we have our own complete system including production department and sales team. We also can guarantee the after-sales service.