suction box paper machine-Aotian Machinery Manufacturing Co., Ltd.

Dewatering Board

Name:Dewatering Board

Material: UHMWPE / HDPE / PE

Tolerance: +2 -(1-0)

Density: 0.93-0.98g/m³

Water Absorption: <0.01%

Friction Coefficient: <0.09

Injection molding pressure /MPa: 68.9-137.8

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Description

The squeegee is available for single, two, three, five seven pieces. Acoording to the paper type speed of paper machine, it can improve the formation dewatering effect of paper pages by 0-3 degrees. The squeegee is made of stainless steel case panel.There are 95 alumina ceramics, 99 alumina ceramics zirconia ceramics, the base materials are super high molecular polyethylene fiberglass.

Technical Data

Material	UHMWPE / HDPE / PE
Tolerance	+2 -(1-0)
Density	0.93-0.98g/m³
Water Absorption	<0.01%
Friction Coefficient	<0.09
Injection molding pressure /MPa	68.9-137.8
Shore hardness	(JIS K7215) 60-70
Breakdown strength	17.7-19.7

Zirconia Technical Data

Names of Index	Units	Index value	Measured value
Hardness	Kg/mm²	HRA=89.5	HRA=88 convert into HV=1300
Volume density	G/cm³	4.08	3.8
Coefficient of linear expansion	1/℃	(6.9-6.5)*10-6/℃	(6.9-6.4)*10-6/℃
Zirconia content	%	99	98-99.5
Friction coefficient		0.005	0.007
Water absorption	%	0.006	0.006

Aluminium Oxide Technical Data

Names of Index	Units	Index value	Measured value
Hardness	Kg/mm²	HV=1300	HRA=88 convert into HV=1300
Volume density	G/cm³	3.8	3.8
Bending strength	Mpa	320	320
Coefficient of linear expansion	1/℃	(6.9-6.5)*10-6/℃	(6.9-6.5)*10-6/℃
Aluminium Oxide content	%	98-99.5	98-99.5
Friction coefficient		0.007	0.007
Water absorption	%	0.006	0.006

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