Filed under
Pressing ISS-06
Pressing no.
ISS-06
Reduction-Fired Stoneware vs. Glazed Ceramic: Thermal & Evaporative Physics

Plate I
High-fired feldspathic Shigaraki stoneware wall cross-section.
Det.
Soren Takahashi
Soil Physicist & Bonsai Agronomist
Pressed
Reading
1 min read
Evaluating wall microporosity, evaporative root cooling, and salt efflorescence in Japanese Shigaraki and Tokoname vessels.
Why Vessel Wall Breathability Matters
Vitreous glazes seal a planter wall into an impermeable barrier, forcing all gas exchange through the top surface alone. Unglazed high-fired Shigaraki and Tokoname clays retain vitrified structural strength for frost resistance while preserving microscopic interstitial pores created by burned-out organic inclusions.
From the workshop
Materials named in this pressing
Only the specimens, vessels and tools the author refers to are listed here.

