营口南楼耐火材料有限公司

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中间包喷涂料Gunning mix for tundishes

本产品是采用优质镁砂和碱性复合耐火原料与特殊复合结合剂、添加剂制作而成，该产品具有较高的耐侵蚀性和耐急冷急热性，可以有效的延长中间包的使用寿命，并易于脱包，本产品可现场机械喷涂施工，又可人工涂抹作业。
The product is produced with high quality magnesia and basic refractory raw material, binder and additive, It has higher corrosion resistance and good thermal shock resistance and can prolong the service life of tundish and is easy to remove its lining , It can be used by mechanical gunning and manual smearing on working site.

产品主要理化指标 Main Physiochemical Property ndexes of product

		1	2	3
施工标准用量 Standard installation a mount(t/m)		2.0	2.1	2.1
线变化率 Linear change rate(%)	110·24h	≤-0.13	≤-0.11	≤-0.11
	1000℃·3h	≤-0.35	≤-0.25	≤-0.30
	1500℃·3h	≤-2.5	≤-2.4	≤-2.4
抗折强度 MOR(Mpa)	110·24h	≥10	≥10	≥8
	1000℃·3h	≥5	≥5	≥4
	1500℃·3h	≥40	≥40	≥35
化学成份 Chemical composition	MgO	≥80	≥85	≥70
	Al₂O₃	≤2	≤2	≤4
	SiO₂	≤8	≤6	≤4
	Cr₂O₃	—	—	≥7
极限粒度 Limtied grain size(mm)		3	3	2
施工加水量 Water adding rate for installstion(%)		18～20	17～19	17～19
施工方法 Method for installrtion		喷涂、涂抹 Gunning and smearing	喷涂、涂抹 Gunning and smearing	喷涂、涂抹 Gunning and smearing