Wesh Filter Media,Mesh Screen Fabrics

Fibre Property

Fibre (Generic name)

Cotton

Wool

Polyamide

Polypropylene

Polyester

Acrylic
Copolymer

Homopolymer
Acrylic

Recommended continuous
Operation temperature (dry heat)

82°C

94°C

94°C

94°C

132°C

120°C

140°C

Water vapour saturated condition
(moist heat)

82°C

88°C

94°C

94°C

94°C

110°C

125°C

Maximum (short time) operation
Temperature (dry heat)

94°C

110°C

121°C

107°C

150°C

120°C

140°C

Specific density

1.50

1.31

1.14

0.9

1.38

1.16

1.17

Relative moisture regain in %
(at 50°C & 65% Relative moisture)

8.5

15

4.0-4.5

0.1

0.4

1.0

1.0

Supports combustion

Yes

No

Yes

Yes

Yes

No

Yes

Biological resistance
(bacteria, mildew)

No, if not treated

No, if not treated

No effect

No effect

No effect

Very good

Very good

Resistance to alkalies

Good

Poor

Good

Excellent

Fair

Fair

Fair

Resistance to mineral acids

Poor

Good

Poor

Excellent

Fair

Good

Very good

Resistance to organic acids

Poor

Good

Poor

Excellent

Fair

Good

Excellent

Resistance to oxidising agents

Fair

Fair

Fair

Good

Good

Good

Good

Resistance to organic solvents

Very good

Very good

Very good

Excellent

Good

Very good

Very good

Fibre (Generic name)	Cotton	Wool	Polyamide	Polypropylene	Polyester	Acrylic Copolymer	Homopolymer Acrylic
Recommended continuous Operation temperature (dry heat)	82°C	94°C	94°C	94°C	132°C	120°C	140°C
Water vapour saturated condition (moist heat)	82°C	88°C	94°C	94°C	94°C	110°C	125°C
Maximum (short time) operation Temperature (dry heat)	94°C	110°C	121°C	107°C	150°C	120°C	140°C
Specific density	1.50	1.31	1.14	0.9	1.38	1.16	1.17
Relative moisture regain in % (at 50°C & 65% Relative moisture)	8.5	15	4.0-4.5	0.1	0.4	1.0	1.0
Supports combustion	Yes	No	Yes	Yes	Yes	No	Yes
Biological resistance (bacteria, mildew)	No, if not treated	No, if not treated	No effect	No effect	No effect	Very good	Very good
Resistance to alkalies	Good	Poor	Good	Excellent	Fair	Fair	Fair
Resistance to mineral acids	Poor	Good	Poor	Excellent	Fair	Good	Very good
Resistance to organic acids	Poor	Good	Poor	Excellent	Fair	Good	Excellent
Resistance to oxidising agents	Fair	Fair	Fair	Good	Good	Good	Good
Resistance to organic solvents	Very good	Very good	Very good	Excellent	Good	Very good	Very good

Fibre Property

Wesh Filter Media Co., Ltd