Domestic technical textiles Industry Segment-wise consumption of ...

Raw materials
The raw material characteristics are given in the following table.
Basic Raw
Material
Recommended
Operational
Temp.(Cº)
Tensile
Properties
Poly-
Propylene
Polyester
Acrylonitrile
(Co-Polymeric &
Homopolymeric)
Ryton(Poly-
Phenylene-
Sulphide)
Nomex
(Poly-Aramid)
80 - 100 120 - 150 100 – 160 170 - 190 190 - 204
Good Good Moderate Good Good
Resistance
Abrasion Excellent Good Moderate Good Good
Acid Excellent Excellent Good Excellent Fair
Alkali Excellent Poor Good Excellent Fair
To Hydrolysis
[Presence Of
Strong Acid, Sox,
Alkali &
Oxidizing Agent]
Applications
With
Moisture
Liquid
Filtrations
Moderately
With
Moisture At
High
Temperature.
Cement,
Coal Mills,
Fertilizer,
Asbestos,
Etc
Industries.
With Moisture &
Temperature.
Cement, Coal
Mills, Fertilizer,
Asbestos, Etc
Industries.
Unaffected
Even With
Moisture &
Temperature
Kilns, Boilers
Of Different
Industries.
The filtration media manufactured in India is predominantly manufactured in the woven form. The
non woven filtration media is manufactured by needle punching process.
Quality Control and standards in India
The relevant BIS standards are given below.
BIS Standard Description
IS 1178 : 1986 Cotton filter cloth
IS 5036 : 1969
Specification for Filter Presses, Recessed Plate
Type, and Plate and Frame Type
IS 5675 : 1987 Specification for Rotary-disc Vacuum Filters
IS 8577 : 1977 Purchaser's data sheet for rotary vacuum filters
IS 9540 : 1980 Purchaser's data sheet for plate and frame filters
IS 11492 : 1985
Specification for Rotary Vacuum Filter Screens
for Sugar Industry
With
Substantial
Moisture &
Typical
Temperature
Critical & Fine
Gas Filtration,
Kilns, Boilers
Of Different
Industries