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可供为介质及改良土壤之用,其功能优点如下: § 稻壳炭化后为黑色之材料,可增强吸热作用,使地温、水温上升,促进植物生长及减少寒害。 § 质松多孔性质透气良好,增加根部氧气供应。 § 使砂质土壤保水力增强,减少乾害,黏质土壤松软,减少湿害。 § 主要成分为二氧化硅,与土壤成分相近,可视为土壤代用品。 § 含可容性硅多,可增强植物抗病性。 § 可帮助植物吸附水份,使植叶较厚且健全。 § 肥份含量虽不多,但会促进P、K、Ca、Mg的有效性,尤以P、K溶出量较多。 § PH值7以上,为酸性土壤之良好改良剂。 § 吸附力大,有吸收毒素之作用,减少肥份流失及散发。 § 可去除禽畜棚舍之异味。 § 撒布于植物周围可防止类(如软体动物)等入侵。是一种优质金属液面覆盖的保温材料,产品的技术指标:固定碳40%-57%,残水1.5%(成品包装前),容量g/cm0.15-0.17(成品包装前),导热系数w/mk0.026-0.0544。主要用于钢水缶、连铸中间缶、模铸及铸造的保温,也可用于有色金属液面的保温。

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