High Borosilicate Level Reflex Gauge Glass
Product Description
FEATURES:
Material: borosilicate 3.3 or borosilicate 4.0
A:One tendon (one groove)
The size is optional or according to the requirements of customers.
Working temperature: 260 °C, Working pressure: 4.0MPa.
B) Two tendons (three grooves)
The size is optional or according to the requirements of customers.
Working temperature: 260°C, Working pressure: 4.4MPa.
C)Transparent plane
The size is optional or according to the requirements of customers.
Working temperature: 260°C, Working pressure: 8.0MPa.
SPECIFICATION:
Temperature resistance
|
650℃
|
Color
|
transparent clear
|
Transmittance
|
92%
|
Density
|
2.23 g/cm3
|
Morris hardness
|
7
|
Composition content
|
Boron: 12.5~13.5%, silicon: 78~80%
|
Shape
|
Round, Square with holes, uncommon shape etc.
|
Modulus of elasticity
|
63·103N·mm-2
|
Poisson's ratio
|
0.18
|
Tensile strength
|
4.8x107pa(N/M2)
|
Compressive strength
|
(0-300) 3.3±0.1×10-6K-1
|
Thermal conductivity
|
1.2W·m-1·k-1
|
Annealing point
|
560°C
|
Softening point
|
820±10°C
|
Electrical resistivity
|
>1018 Ωm
|
Dielectric constant
|
4.6 1 MHz, 25
|
Water resistance
|
ISO719 HGB Level 1
|
Acid resistance
|
ISO195 HGB Level 1
|
Alkali resistance
|
ISO695 HGB Level 2
|
OUR ADVANTAGES:
1. Over 10 years experience on glass deep processing.
2. High quality glass with CCC and ISO certification.
3. Most of our production machines from Italy and Korea to ensure the quality
4. Professional international sales team
PRDUCT SHOW:
Certifications
CE RoHS ISO9001:2015
Packaging & Shipping
FAQ:
Q1:What's your advantage?
A:We are different from other trading company is that we have our own factory,design team and production lines. Our designer & technical workers have worked in glassware field more than 10 years.In the past years, we have helped many customers to complete their special designs successfully.
Q2:Can I get samples ?
A:Sure.We usually provide existing sample for free.But a little sample charge for customer designs. Sample charge is refundable when order is up to certain quantity .
Q3:How long is the sample lead time?
A:For existing samples, it takes 3~4 days. If you want your own designs,it will take 7~10days, Anyway we will response fast to your request.
Q4:Q:What's your MOQ?
A:Usually our MOQ is 10 pcs, but we can accept lower quantity for your trial order. Please feel easy to tell us how many pieces you need, we will calculate the cost reasonably ,hoping you can place lager orders after checking quality of our products and knowing our service.
High Borosilicate Level Reflex Gauge Glass