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| Price | USD 1-100/PC |
| MOQ | 10pcs |
| Delivery Time | 5-10work day |
| Brand | ZKTD |
| Place of Origin | China |
| Certification | SGS ISO |
| Model Number | OEM |
| Packaging Details | Bubble pad, sponge, carton, wooden box |
| Payment Terms | L/C,D/A,D/P,T/T,Western Union,MoneyGram |
| Supply Ability | 10000pcs/day |
| Place of Origin | China | Size | Diameter: 4mm-300mm |
| Packaging Details | Bubble pad, sponge, carton, wooden box | Annealing temperature | 560℃ |
| Linear expansion coefficient (20-300 ℃) | 3.3*10-6K-1 | Material | Borosilicate COE3.3 Glass |
| Strain temperature | 520℃ | Model Number | OEM |
| Supply Ability | 10000pcs/day | Certification | SGS ISO |
| Brand Name | ZKTD | Payment Terms | L/C,D/A,D/P,T/T,Western Union,MoneyGram |
| Softening temperature | 820℃ | Price | USD 1-100/PC |
| Delivery Time | 5-10work day | Product name | Borosilicate Laboratory Lab Glass Test Tube Culture Tubes |
| Minimum Order Quantity | 10pcs | Processing temperature (104dpas) | 1220 ℃ |
High Borosilicate Glass Tube For Laboratory Glassware Lab Glassware
Borosilicate glass is a type of glass with silica and boron trioxide as the main glass-forming constituents. Borosilicate glasses are known for having very low coefficients of thermal expansion (≈3 × 10⁻⁶ K⁻¹ at 20 °C), making them more resistant to thermal shock than any other common glass. Such glass is subjected to less thermal stress and can withstand temperature differentials without fracturing of about 165 °C (297 °F). It is commonly used for the construction of reagent bottles and flasks as well as lighting, electronics and cookware.
| Borosilicate glass | |
| Silicon Content | >80% |
| Coefficient of Thermal Expansion (20-300℃) | 3.3×10-6 /K |
| Density(20℃) | 2.23g/cm3 |
| Hot Work Temperature(104dpas) | 1220℃ |
| Annealing temperature | 560℃ |
| Softening temperature | 820℃ |
| Refractive Index | 1.47 |
| Thermal Conductivity | 1.2Wm-1 K -1 |
Rich
experience
in
quartz
glass
industry
We
have
more
than
25
years
industry
experience
in
quartz
glass
processing.
We
specialize
in
quartz
glass
capillary
tubes
and
rods,
quartz
glass
substrates,
CNC
machined
quartz,
and
quartz
instruments
etc.
According
to
product
application,
we
have
good
grasp
of
material
properties
and
adapt
the
proper
material
into
product
application.
Strong
technical
force
in
processing
and
application
ZKTD
is
a
high-tech
manufacturer
specializing
in
the
production
and
customization
of
quartz
glass
products
and
optical
glass
products.
We
has
excellent
technical
strength,
strong
innovation
ability
and
stable
product
quality.
Our
processing
method
is
rich,
drawing
of
glass,
cold
and
thermal
processing,
micro
size
machining,
high
precision
and
difficulty
process,
combination
of
multiple
processing
methods,
which
guarantee
that
our
product
is
excellent
in
all
aspects.
Integrity
and
Quality
Assurance
We
are
well
known
in
quartz
glass
industry.
Quality
is
the
lifeline
of
enterprise
survival
and
development.
Integrity
is
the
source
of
enterprise
reputation,
the
foundation
of
standing
and
the
foundation
of
development.
Through
unremitting
efforts
and
continuous
improvement,
we
have
created
a
good
manufacturing
platform
of
optical
glass
for
customers.
