. 2016 Jul 21;7(3):37. doi: 10.3390/insects7030037

Table 2.

Density and resistance class of untreated woods and the polymer loading, wood resistance rating, and wood weight loss of untreated and polystyrene wood samples.

Wood Species	Density (g/cm³)	Resistance Class *	Polymer Loading (%)	Wood Resistance Rating		Wood Weight Loss (%)
Wood Species	Density (g/cm³)	Resistance Class *	Polymer Loading (%)	Untreated	Polystyrene	Untreated	Polystyrene
Sengon	0.34 (0.01)	V	26.0 (5.4)	3.0 (3.0) ^a	7.8 (1.1) ^b	50.3 (18.8) ^c	7.6 (2.5) ^d
Mangium	0.51 (0.01)	IV	8.6 (4.8)	4.6 (1.3) ^a	7.2 (2.0) ^b	23.3 (8.1) ^c	14.4 (7.0) ^d
Pine	0.69 (0.01)	V	7.7 (2.3)	2.4 (2.2) ^a	8.2 (1.1) ^b	66.4 (18.6) ^c	5.1 (4.3) ^d

Remarks: Numbers in the parentheses are standard deviation values. * According to Arinana et al. [17]. Values followed by the same letters are not significantly different.