Effect of Wood Preservatives on Surface Properties of Coated Wood

Table 3

Statistical results of Duncan test.

Properties	Factors	LS mean	Homogenous groups
Surface roughness ()	Wood species
	Pine	22.83	a
	Beech	26.45	b
	Chestnut	60.66	c
	Treatment
	Untreated	34.54	b
	CCA	37.70	b
	Tanalith E	37.77	b
	Boric acid	43.57	c
	Solvent	29.67	a
Adhesion strength	Wood species
	Pine	1.44	a
	Beech	2.64	b
	Chestnut	2.03	c
	Treatment
	Untreated	2.22	c
	CCA	1.98	b
	Tanalith E	2.02	b
	Boric acid	2.38	d
	Solvent	1.60	a
Gloss	Wood species
	Pine	49.65	a
	Beech	48.97	a
	Chestnut	52.27	b
	Treatment
	Untreated	54.15	b
	CCA	45.95	a
	Tanalith E	46.32	a
	Boric acid	45.02	a
	Solvent	60.04	c
Abrasion resistance	Wood species
	Pine	35.86	a
	Beech	41.13	b
	Chestnut	47.73	c
	Treatment
	Untreated	35.44	a
	CCA	47.16	d
	Tanalith E	43.83	c
	Boric acid	40.33	b
	Solvent	41.11	bc
Scratch resistance	Wood species
	Pine	0.49	a
	Beech	0.51	a
	Chestnut	0.50	a
	Treatment
	Untreated	0.51	a
	CCA	0.46	a
	Tanalith E	0.49	a
	Boric acid	0.50	a
	Solvent	0.50	a

Different letters denote a statistically significant difference.