Sample no.

Onset temp/˚C

Max slope/˚C

DTA peak/˚C

DTG peak/˚C

Max. deg rate (mg/min)

Obsolete HDPE

455.9

479.5

139.1, 481.2

480.6

5.07

5% BF-HDPE

453.5

472.0

134.5, 480.2

479.2

1.83

10% BF-HDPE

451.7

472.8

136.7, 477.9

480.1

4.76

15% BF-HDPE

463.6

479.8

131.6, 484.4

483.8

2.34

20% BF-HDPE

464.3

481.2

137.5, 483.6

486.7

5.24