Characterisation of Used PP-Based Car Bumpers and Their Recycling Properties

Table 1

Composition of the used and rejuvenated bumpers.

	Fraction soluble at 25°C; [% w/w]	Fraction soluble at 75°C; [% w/w]	Fraction soluble at 110°C; [% w/w]	Cross-linked fraction; [% w/w]	Inorganic fraction; [% w/w]	Oxidable residue (carbon black [% w/w])
A,	17	19	61	tr	1	2
AR	19	22	56	tr	1	2
B	11	31	40	1	15	2
BR	9	32	41	1	15	2
C,	9	30	47	1	12	1
CR	9	30	46	2	12	1

tr: traces.