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High Temperature Corundum Mullite Alumina Al2o3 Ceramic Thread Tube for Winding Wire


Product Description




75% -85% Alumina ceramic furnace tube,Mullite ceramic pipe, Sillimanite refractory ceramic tube

Our tubes are manufactured from 75% -85% al2o3 with high temperature resistance about 1300-1400C.

※Production process:
Selection of raw material-crushing and batching-adding binder-forming-drying-firing

※Application:
Furnace tube,resistor tube,roller
Building ceramics, daily-use ceramics, rare earths, electronic ceramics and glass ceramic roller kiln.

※Material data:


Item
YNGF 95
YNGF 90
YNPF 85
Al2O3 %
80-82
78-80
76-78
Apparent porosity %
16-20
17-21
18-22
Water absorption %
6.5-8.5
7.9-9.0
7.5-9.5
Bulk density g/cm3
2.65-2.70
2.55-2.65
2.50-2.60
Flexural strength at room temperature Mpa
65-70
60-65
55-60
Max working temperture C
1400
1400
1300
Load softening start temperature(C) (0.2MPA)
1590
1580
1560
Thermal expansivity (x10-6C)(25-1000C)
5.7
5.7
5.6


Specification:

ODxID in mm


13×6
15×8
16×10
18×12
22×14
25×15
30×16
27×17
28×18
30×20
35×25
40×25
40×30
42×31
45×34
50×39
55×43
60×48
65×52
70×56
75×60
80×65
85×70
90×75
95×80
100×84
105×85
110×90
120×110
We can cut length according to your requirement.We can also make to order.


※ Ceramic Thread Tube / Ceramic Spool

We also produce ceramics for heating applications:
* Collard tubes
* Spools
* Tubes
* Discs
* Hooks


Unit
Value
Al2O3
%
50–55
Density
g/cm³
2.6—2.9
Water absorption
%
6
Breakdown strength
KV mm
20
Dielectric constant
1MHZ 20 C
≤7.5
Volume resistivity
Ω.cm 100 C
≥10 11
Maximum Temperature
C
1350
Thermal Shock Resistance
Good


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FAQ


Q1: How can know your quality?

We can send you samples or sample material for you to check or test.Let our physical samples speak loudly.

Q2:Are these samples free of charge?

Some standard small samples are free.If same as your requirements,we will just charge for mould to support.

Q3:If products are not to requirement,how can you do?

We will try our every best to solove it.Meeting your requirement is our mission.

Q4:What's the lead time?

Normally,for standard items,will ship within 1-10 days.For mass production order,we will finish within 30 working days after we
receive payment.

Q5:Payment terms:

We can negotiate.


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