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Publication date
Application filedfiledCritical
Priority to JP13725089UpriorityCriticalpatent/JPH0378028U/ja
Publication of JPH0378028UpublicationCriticalpatent/JPH0378028U/ja
Soil Conditioners And Soil-Stabilizing Materials
(AREA)
Fertilizers
(AREA)
Description
【図面の簡単な説明】[Brief explanation of drawings]
図は電子顕微鏡による拡大図である。
１……石灰岩、２……気孔。
The figure is an enlarged view taken using an electron microscope.
1...limestone, 2...pores.
Claims (1)
【実用新案登録請求の範囲】[Scope of utility model registration request] 石灰岩を砕いて１３ｍ／ｍ以下の粒度にし、約 ６００℃にて加熱することにより、本来ある気孔 を清掃し、見掛気孔率、吸水率並びに細孔容積を 高めて成るコーラル製品。 A coral product made by crushing limestone to a particle size of 13 m/m or less and heating it at approximately 600°C to clean the original pores and increase the apparent porosity, water absorption rate, and pore volume.