Note 16 — Front matter (continued 3)
Reading edition
A refractory clay is one which does not soften sufficiently to commence losing its shape at any temperature below that needed to bend Seger Cone 26 (approximately 1600°C.) (see p. 116).
Reading edition
A refractory clay is one which does not soften sufficiently to commence losing its shape at any temperature below that needed to bend Seger Cone 26 (approximately 1600°C.) (see p. 116).