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Refractory mullite ceramic parts threaded rods

Refractory mullite ceramic parts threaded rods

    Payment Type: L/C,T/T,D/P,Paypal
    Terms of Trade: FOB,CFR,CIF,EXW
    Min. Order: 1000 Piece/Pieces
    Delivery Time: 14 Days
    Packaging: Box In strong cartons,on exporting pallet
    Productivity: 100000
    Brand: NBRAM
    Transportation: Ocean,Land,Air
    Place of Origin: China
    Supply Ability: 100000
    Certificate: UL
    Port: Shanghai or Ningbo

Basic Info

Model No.: NBR

Product Description


1. Material: Mullite

Description
1. The product is sintered under high temperature with high- purity raw materials and advanced production technologies.
2.High pressive strength.
3. High temperature resistance as well as thermal shock resistance.
4. It is widely used in the lining of medium-high temperature kilns.

Applications

Corundum-mullite refractory material can be used in linings or heat-insulating materials of the industries, such as ethylene pyrolysis furnaces, tubular furnaces, reforming furnaces of synthetic ammonia, gas generators and high-temperature shullte kilns, etc.


Name

Alumina

Dense Cordierite

Porous Cordierite

Cordierite-Mullite

Mullite

Corundum mullite

Density(g/cm3)

2.0~2.3

2.1 ~2.5

1.5 ~1.9

1.8~2.3

2.0 ~2.5

2.3 ~2.7

Coefficient of heat expansion(×10-6K-1)(20~800°C)

5

3.5

3.0

3.5

5

6

Specific Heat (J/Kg.K)(20~1000°C)

900~1150

900~1100

900~1100

900~1150

1000~1150

1100~1300

Thermal Conductivity (W/m.k) (20~1000°C)

1.5~2.0

1.5~2.5

1.2~1.8

1.5~2.0

1.5~2.0

1.5~2.5

Impact Thermal Resistance(°C/min)

300

300

350

350

350

300

Max. Working Tem.(°C)

1350

1300

1300

1320

1450

1550

Water absorption(%)

15-25

2

15~25

15 ~25

15~25

15 ~25

Compressive strength(MPa)

28

28

25

25

28

30

Chemical composition (%)

Al2O3

55 ~65

25 ~38

28 ~38

40~52

60 ~70

70 ~80

SiO2

25~35

50 ~60

45 ~55

45 ~55

25 ~35

15 ~25

MgO

1~3

5 ~10

11 ~14

7~9

0 ~1

0 ~2

others

<5

<5

<5

<5

<5

<5

2. Feature:

1). low thermal expansion
2). large specific heat capacity
3). high specific surface area
4). low pressure drop
5). small thermal resistance
6). good thermal conductivity
7). good heat-shock resisting ability

3. Application:

1)Electric appliance industry

2)Automotive industry

3)Mechanical industry

4)Engineer industry

Mullite5Mullite 3




Ningbo Ram Electric Material Ltd.

 We do mica and related heat insulation material for more than 10 years, and is the large mica mineral importer and mica product exporter in China. Located in Ningbo, seaport city in eastern China, easily accessed by sea, air and land which adjoins Shanghai by cross the longest bridge in the world over the hang Zhou bay.

Our main products cover
Mica products (mica plate; mica tape), fiberglass sleeving, Kapton film, Ceramic parts, heating wire, Heating elements, Rubber parts, plastic products, Metal parts, and so on.

Certificated as an A-grade entity by Customs of Chinese Government, NBRAM is a great team, skillful, and experienced
Our spirit:
FUN, FAIRNESS, INTEGRITY, RESPONSIBILITY
Choose NBRAM, choose your best partner to your success.

Company Info

  • Company Name: Ningbo Ram Electric Material Ltd.
  • Representative: Paul
  • Product/Service: Mica Sheet , Mica Heating Film , Mica Tape , Mica Tube , Mica Heating Element , Mica Paper
  • Capital (Million US $): 1000000
  • Year Established: 2004
  • Total Annual Sales Volume (Million US $): Above US$100 Million
  • Export Percentage: 71% - 80%
  • Total Annual Purchase Volume (Million US $): Above US$100 Million
  • No. of Production Lines: 5
  • No. of R&D Staff: 11 -20 People
  • No. of QC Staff: 5 -10 People
  • OEM Services Provided: yes
  • Factory Size (Sq.meters): 3,000-5,000 square meters
  • Factory Location: Ningbo City, Zhejiang Province
  • Contact Person: Mr. Terry
  • Tel: 86-574-27867365
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