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Rulon Bearings

Covestro Desmopan® DP 2792A Polyurethane  (discontinued **)
Categories: Polymer; Thermoplastic; Polyurethane, TP

Material Notes: Coating grade; does not contain any anti-hydrolysis agent; Application; Textile coating

As of 1 September 2015, Bayer MaterialScience was separated from Bayer AG and officially adopted its new name – Covestro.

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Physical PropertiesMetricEnglishComments
Density 1.21 g/cc0.0435 lb/in³ISO 1183
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore A 9393ISO 868
Hardness, Shore D 5050ISO 868
Tensile Strength, Ultimate 28.3 MPa4100 psi200 mm/min; DIN 53504
Tensile Stress at Strain  4.20 MPa
@Strain 10 %
609 psi
@Strain 10 %
200 mm/min; DIN 53504
 8.60 MPa
@Strain 50 %
1250 psi
@Strain 50 %
200 mm/min; DIN 53504
 10.1 MPa
@Strain 100 %
1460 psi
@Strain 100 %
200 mm/min; DIN 53504
 16.6 MPa
@Strain 300 %
2410 psi
@Strain 300 %
200 mm/min; DIN 53504
Elongation at Break 533 %533 %200 mm/min; DIN 53504
Tensile Modulus  0.0520 GPa
@Temperature 60.0 °C
7.54 ksi
@Temperature 140 °F
storage; ISO 6721-1,-4
 0.119 GPa
@Temperature 20.0 °C
17.3 ksi
@Temperature 68.0 °F
storage; ISO 6721-1,-4
 1.44 GPa
@Temperature -20.0 °C
209 ksi
@Temperature -4.00 °F
storage; ISO 6721-1,-4
Rebound 35 %35 %Resilience; ISO 4662
Tear Strength 77.0 kN/m439 pli500 mm/min; ISO 34-1
Abrasion 8282mm³, Method A; ISO 4649
Compression Set  28 %
@Temperature 23.0 °C
28 %
@Temperature 73.4 °F
72 hr; ISO 815
 62 %
@Temperature 70.0 °C
62 %
@Temperature 158 °F
24 hr; ISO 815
 44 %
@Temperature 70.0 °C,
Time 86400 sec
44 %
@Temperature 158 °F,
Time 24.0 hour
Method C; ISO 815-1
 
Processing PropertiesMetricEnglishComments
Melt Temperature 180 - 200 °C356 - 392 °FExtrusion
 190 - 220 °C374 - 428 °FInjection
Mold Temperature 20.0 - 40.0 °C68.0 - 104 °FInjection
Drying Temperature 80.0 °C176 °F

**
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