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Woven        
   
Polyester   Polyproplene   Multifilament
         
   
Monofilament   Cotton   Antistatic fabric
 
Specification :
Fiber Type Maximum
Operating
Temp C o
Chemicals Resistance Rating
Strong / Weak Acids Strong / Weak Alkalis Oxidiging Agents Solvent Biological
Polyproplene 90 Excellent Excellent Fair Fair Excellent
Polyester 120 Excellent Poor Fair Good Excellent
Nylon 100 Poor Excellent Fair Good Excellent
Cotton 100 Poor Good Poor Good Poor
HDPE 80 Excellent Excellent Good Fair Excellent
 
Nonwoven        
   
Polyester Nonwoven   Polyproplene Nonwoven   High temp. fabrics
         
       
Fibre glass        
         
Properties of Fiber for dry filtration :
Fiber Type HomoPolymer
Acrylic
Nomex Polymetaphylene
isophtalamide
Ryton
(PPS)
Glass
Fiber
PTFE Nylon
Temperature Limit(oC) 130  200 190    260   260  100
Water Vaporer saturated condition Moist heat Co 130 177 190 260 260  
MAx (short time) operating temp Co(Dry heat) 150 240 232 290 290  
Specific Density 1.17 1.38 1.38 2.54 2.3  
Relative moisture regain in % 4.5 0.6 0 0  
Support Combusion Yes No No No No  
Reistance to acid            
Hydrochloric Acid Good Not Recmd Good Fair Good Not Recmd
Sulfuric Acid Good Not Recmd Fair Fair Good Not Recmd
Nitric Acid Good Not Recmd Fair Good Good Not Recmd
Ciromic Acid Good Not Recmd Not Recmd Good Good Not Recmd
Aqua Regia Good Not Recmd Not Recmd Good Good Not Recmd
Acetic Acid Good Fair Good Good Good Fair
Formic Acid Good Fair Good Good Good Not Recmd
Restance to Alali            
Aluminium Hydroxide Fair Fair Good Good Good Fair
Sodium Hydroxide Fair Fair Good Not Recmd Good Fair
Potassium Hydroxide Not Recmd Fair Good Not Recmd Good Fair
Reistance to Salt            
Calcium Chloride Good Fair N.A Fair Good  Not Recmd
Sodium Chloride Good Good Good Fair Good Good
Zinc Chloride Fair Good N.A Good Good Not Recmd
Reistance to Oxidizing Agent            
Hydrogen Peroxide Good Fair N.A Good Good Fair
Sodium Hypochlorite Good Fair Not Recmd Not Recmd Good Fair
Chlorine Good Not Recmd Not Recmd Good Good Not Recmd
Fluorine Good Fair Good Good Good Fair
Reistance to Organic Solvent            
Aceton Good Good Good Good Fair Good
Carbon Tetrachloride Good Good Good Good Good Good
Ethyl Alcohol Good Good Good Good Good Good
Methyl Ethyl Ketone Good Good N.A Good Good Good
Tri-Chloro Ethylene Good Good N.A Good Good Good
Toluene Good Good Fair Good Good Good
Ethylene Glycol Good Good N.A Good Good Good
Resistance to Mineral Oil Good Good Good Good Good Good
 
       
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