polishing clear quartz glass disc
1, silicon dioxide larger than 99.95%
2, excellent physical and chemical performance
3, high thermo-stability and anticorrosive
4,transmission of visible light larger than 95%
Spectral transmission at 1.0mm thickness
| Thermal Conductivity(W/m°C,20°C)|| 1.4|
| Specific Heat(J/kg,20°C)|| 670|
| Softening Point( viscosity)|| 1730°C|
| Annealing Point|| 1215°C|
| Deformation Temperature(long time heat retaining)|| 1120°C|
| Density g/cm3|| 2.2|
| Compression Strength N/mm2|| 1100|
| Bending Strength N/mm2|| 67|
| Tension Strength N/mm2|| 48|
| Micro Hardness N/mm2|| 8600~9800|
| Moh's hardnessMoh's hardness|| 5.5~6.5|
What we can do for you:
1, OEM service
2, good quality at acceptable price, we can sure you can get more benefit when buy from us
3, produce per customers' request such as design & package & printing logo
4, special package for fragile products to make sure safe during transportation
5, we have in this field for ten years for both standard and custom designs per drawings.
HIGHBORN is one of the leading high quality quartz glass and precise ceramics manufacturer and supplier in China.
HIGHBORN has always been a defining force in the sale and fabrication of quartz glass within the semi-conductor, chemical, solar Energy and precise ceramics within semi-conductor , solar energy, textile, electronic, and laser industries.
Not only have we mastered the fabrication technology, our strength has always been based around listening to and understanding our customer's requirements and expectations.
Continuous improvement in all areas of our business is key to our growth. What is equally important to us is maintaining in business, our inherent family values of trust, faimess and respect to our employees, suppliers and customers.
1. Q: what is your payment term?
A: T/T and western union and pay by credit card are all ok for your option.
2. Q:How can I trust you?
A:We are an expert of glass products for ten years and own excellent quality, till now we have export to around 100 countries.
3. Q:What is your delivery time?
A:The delivery time is depending on have stock or custom manufacture, if have stock, best delivery time is around 5-7 days.
4. Q: Shipment method?
A: Ship via express such as DHL, UPS, FEDEX when small quantity. Ship via sea when more volumes.