Types of combustion^*

Temperature (˚C)^a

Flame source combustion (FSC)

Without flame source combustion (WFSC)

451.624 a

425.984 b

Impregnation materials^**

Control (Co)

Boric acid (Ba)

Borax (Bx)

495.067 a

391.515 c

429.831 b

Varnishes^***

Unvarnished (Uv)

Cellulosic (Cv)

Synhetic (Sn)

Polyurethane (Pu)

Water-based (Wb)

Acrylic (Ac)

Acid hardening (Ah)

375.250 g

465.991 c

449.056 d

403.500 f

479.333 a

475.944 b

422.556 e