Page 653 - Handbook of Thermal Analysis of Construction Materials

Section 4.0 - Applications 621

Table 1. TG, DMA, and tensile strength and elongation values of (a) S1
EPDM Membrane, (b) S2 EPDM Membrane, and (c) S3 EPDM Membrane

Heat-aging S1
Schedule

Temp. Days T g Oils Polymer Strength Elongation
**
-1
(°C) (°C) loss (%) loss *** (%) (kNm ) (%)
22* 0 -49 52.5 10.6 522

100 1 -48 54.0 10.9 433
100 7 -49 53.4 11.6 396
100 28 -50 54.5 10.7 324

130 1 -48 54.0 9.9 348
130 7 -49 53.6 9.7 307
130 28 -48 51.6 8.0 217

(a)

Heat-aging S2
Schedule

Temp. Days T g Oils Polymer Strength Elongation
**
-1
(°C) (°C) loss (%) loss *** (%) (kNm ) (%)
22* 0 -61 20.0 22.5 8.7 285

100 1 -58 13.2 25.5 8.8 266
100 7 -50 7.2 27.7 9.5 211
100 28 -46 4.9 29.1 10.5 132

130 1 -50 5.1 28.5 9.2 180
130 7 -46 2.2 30.0 10.9 88
130 28 -43 1.6 31.2 11.6 38

(b)