Table 2.

The composition of the prepared UP–CKD composites.

Sample code	Participating percentages (%)
	UP matrix	CKD filler	Cobalt accelerator	MEKP hardener
UP–CKD 0%	100	0	0.5	2
UP–CKD 2%	98	2	0.5	2
UP–CKD 4%	96	4	0.5	2
UP–CKD 6%	94	6	0.5	2
UP–CKD 8%	92	8	0.75	3
UP–CKD 10%	90	10	1	4