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Vacuum Box Cover

Vacuum Box Cover

     This product has dense structure and high surface finish quality, with low friction coefficient and water absorption rate. It can improve the actual working time of polyester wire and save energy by the most. It has single and duo-chamber options with stable vacuum condition.

     Recommended materials: Sicer-Sub A; Sicer- Si3N4

  • Features
  • Specifications

Advanced design concept

Low friction coefficient

High strength glass fiber base

Stable integrated frame structure

No piano key thanks to dovetail groove structure

Precisely machined and easy to replace

Low adhesive rate of pulp fiber and filler particles

Adjustable enddeckle with mechanical locking device and lubricating device

Effectively protect the wire

Long service life

s.s304/321 stainless steel box

Thermal Conductivity
(W/m*k)

Coefficient of Thermal Expansion
(10-C/℃)

Vickers Hardness (Kg/mm²)

Fracture Toughness
(Mpa.M1/2)

Bending Strength
(Mpa)

Bulk Density
(g/cm³)

Material

20-25

7.0-8.0

1450-1530

5.0-6.0

380-420

3.86-3.88

Sub-micron Aluminium Oxide
Sicer-Sub A

30-50

2.5-3.0

1650-1750

6.0-6.7

650-750

3.05-3.20

Silicon Nitride
Sicer-Si3N4