Tecnate TTN 2520 is a polyether-based TDI terminated prepolymer which yields a 95 Shore A hardness when cured with MOCA. Technate TTN 2520 is suited for many applications including: solid tires; mechanical goods; fabric; belts; rolls; sporting goods and other protective coatings.
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Technical Data SheetApplications
- Belts
- Wheels
Advantages
- Excellent low temperature flexibility
- Good resistance to heat and humidity
- Good toughness and abrasion resistance
- High resilience
- Low viscosity
- Very good dynamic properties
Product Types
Prepolymer
Product Testing
| Test Performed | Test Results |
| % NCO - ISO | 6.2-6.6 % |
| Compressive Strength - ASTM D695 - @ 10% Strain | 316 psi |
| Compressive Strength - ASTM D695 - @ 20% Strain | 1716 psi |
| Compressive Strength - ASTM D695 - @ 30% Strain | 3026 psi |
| Demold Time | 1 Hour |
| Elongation - ASTM D412 - Cured with Ethacure 300 | 365 % |
| Elongation - ASTM D412 - cured with MOCA | 275 % |
| Hardness - ASTM D2240 - A -cured with MOCA | 93-97 Shore A |
| Hardness - ASTM D2240 - A- cured with Ethacure 300 | 85-90 Shore A |
| Impact Resistance - ASTM D2794 | 84+ in.lbs |
| POL | MOCA |
| Post Cure Time | 16 Hours |
| Pot Life - 100g | 6-7 Minutes |
| Pot Life - Cured with Ethacure 300 | 6-7 Minutes |
| Rebound, Bayshore % - ASTM D2632 - Cured with Ethacure 300 | 37 % |
| Rebound, Bayshore % - ASTM D2632 - cured with MOCA | 30 % |
| Stoichiometry | 100 % |
| Taber Abrasion Resistance - ASTM D4060 - 1000rev, CS 17 | .3 mg |
| Tear Strength - ASTM D624 - Cured with Ethacure 300 | 831 pli |
| Tear Strength - ASTM D624 - MOCA cure | 667 pli |
| Tensile Modulus - ASTM D412 - 100%- Ethacure 300 cure | 2100 psi |
| Tensile Modulus - ASTM D412 - 100%- MOCA cure | 2500 psi |
| Tensile Modulus - ASTM D412 - 200%- Ethacure 300 cure | 3200 psi |
| Tensile Modulus - ASTM D412 - 200%- MOCA cure | 4400 psi |
| Tensile Modulus - ASTM D412 - 300%- Ethacure 300 cure | 5050 psi |
| Tensile Strength - ASTM D412 - Cured with Ethacure 300 | 7030 psi |
| Tensile Strength - ASTM D412 - cured with MOCA | 6958 psi |
| Tensile Strength - ASTM D412 - Ethacure 300 cure | 2600 psi |
| Tensile Strength - ASTM D412 - MOCA cure | 2650 psi |
| Trouser Tear - ASTM D624, Method T - cured with MOCA | 72 pli |