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Flexible Material Property Comparisons

The chart below identifies the key property and performance advantages of polyurethane film as compared to other elastomers.

Characteristics of Commonly Used Elastomers

Thermoplastic Polyurethane Flexible PVC Neoprene Rubber Nitrile Natural Rubber
Hardness (Shore A) 70-95 60-95 40-90 90A+ 40-95
Specific Gravity (Gms/cm3) 1.14-1.35 1.30-1.50 1.20-1.35 .95-1.05 .95-1.50
Ultimate Tensile Strength (PSI) 4000-10000 2000-6000 1000-3000 1000-4000 1000-3000
Ultimate Elongation (percentage) 350-800 200-450 200-800 200-800 400-800
Tear Strength (PLI) 300-700 N/A 200-700 130-350 250-400
Abrasion Resistance Excellent Fair Good Good Good
Oil Resistance Good Fair/Good Fair/Good Excellent Poor
Acid Resistance Good Fair Good Good Fair
Aqueous Solution Resistance Good Good Good/Fair Fair Fair
Ozone Resistance Excellent Excellent Good Fair/Good Poor
Water Resistance Good/Excellent Good Good Good Good
Low Temperature Flexibility Excellent Fair/Good Good Fair Good
Heat Sealing Y Y N Y N
Solvent Welding Y Y N Y Y
RF Welding Y Y N Y N
Thermoforming Y Y N Y N

 

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