PAT E70DTSR

Por-A-Thane E-70DTSR is a polyether-based TDI terminated prepolymer which yields a 70-75 Shore D hardness and low viscosity when cured with 4,4’-methylenebis-(orthochloroaniline) commonly known as MOCA.

 

Advantages

  • Excellent humidity resistance
  • Good impact strength
  • Good Machinability
  • High heat distortion temperature
  • Low coefficient of friction
  • Very high modulus and tensile strength
Product Types

Prepolymer

 

Product Testing

Test PerformedTest Results
% NCO - ISO9.35-9.65 % 
Elongation - ASTM D412 - Cured with Ethacure 300107 % 
Elongation - ASTM D412 - cured with MOCA125 % 
Hardness - ASTM D2240 - Shore D70-75 Shore D 
MOCA Processing Temperature212 °F 
Mold Temperature200-220 °F 
POLMOCA  
Post Cure Temperature180-200 °F 
Pot Life - 100g1-2 Minutes 
Pot Life - Cured with Ethacure 3002 Minutes 
Prepolymer Processing Temperature160 °F 
Ratio by Weight - ISO:POL40:28.4  
Stoichiometry95 % 
Tear Strength - ASTM D624 - Cured with Ethacure 3001008 pli 
Tear Strength - ASTM D624 - MOCA cure1038 pli 
Tensile Modulus - ASTM D412 - 100%- Ethacure 300 cure4532 psi 
Tensile Modulus - ASTM D412 - 100%- MOCA cure5323 psi 
Tensile Strength - ASTM D412 - Cured with Ethacure 3005617 psi 
Tensile Strength - ASTM D412 - cured with MOCA6460 psi 
Tensile Strength - ASTM D412 - Ethacure 300 cure69543 psi 
Tensile Strength - ASTM D412 - MOCA cure73589 psi 
Trouser Tear - ASTM D624, Method T - Cured with Ethacure 300298 pli 
Trouser Tear - ASTM D624, Method T - cured with MOCA278 pli 
Viscosity - ASTM-D-2196 - 212°F, POL170-300 cps 
Skills

Posted on

August 28, 2020