e-Cearras Co., Ltd.

Hioki, Kagoshima, Japan Unknown Japanese Official site

Corporate Number (法人番号) 9340001027644

Kagoshima micro-firm offering domestic volcanic-glass (shirasu) micro-powder as a cement-replacement supplementary cementitious material for concrete, shotcrete, ground improvement and refractories.

Core capabilities

Volcanic-glass micro-powder production and supply from Kyushu shirasu deposits
Cement-replacement mix design for precast, slope shotcrete and ground improvement
Small-lot sample supply and joint mix trials

Related capability assets

Kyushu shirasu volcanic-glass micro-powder as cement-replacement SCM

Domestic volcanic-glass powder ground from Kagoshima/Miyazaki shirasu, offered as a partial Portland-cement replacement and as a silica-fume / slag alternative in concrete, shotcrete, grout and refractories.