Refractory Selection Guide Coreless Induction Furnace - Copper Alloys Click on furnace diagram for product recommendations

We develop, manufacture, and market a variety of products for all copper based alloys.  Our DRI-VIBE® and MINRO-AL® RAM products are designed to maximize performance regardless of the alloys melted.  Copper Nickel, brass, copper, bronze, and all other alloys are frequently melted on Allied refractories.  Special attention is paid to correct problems with dross, thermal cycling, finning, and other issues unique to non-ferrous melting.  Our precast shapes division, American Precast Refractories Division manufactures precast crucibles for induction furnaces up to 10 tons. Request More Information...

Furnace Component	Product Description	Alumina Al2O3 %	Silica SiO2 %	Zirconia ZrO2 %	Silicon Carbide SiC %	Magnesia MgO %	Chrome Cr2O3 %
Grouts	GROUT 263AF	86.1	4.8	-	-	-	-
	GROUT 563A	86.1	4.8	-	-	-	-
	GROUT 663A	87.0	4.9	-	-	-	-
Maintenance	MINRO-AL® PLASTIC A76	67.3	25.7	-	-	-	-
	MINRO-AL® PLASTIC A78	67.3	25.7	-	-	-	-
	MINRO-AL® PLASTIC A85	81.0	11.7	-	-	-	-
	MINRO-AL® PLASTER A87	81.0	11.7	-	-	-	-
	MINRO-AL® PLASTIC A91	87.4	7.1	-	-	-	-
	MINRO-AL® PLASTER A93	87.4	7.1	-	-	-	-
	STEEL-PAK 90CR	73.1	12.3	-	-	-	7.3
	SCOTT-RAM® MORTAR A96	83.9	0.3	-	-	-	9.4
	MINRO-Z WASH Z77	2.7	35.2	54.7	-	-	-
	CW 55 HS SEAL	57.1	36.8	-	-		-
	CW 85 HS SEAL	84.8	10.2	-	-	-	-
	CW 85 HS PLASTIC	83.8	9.0	-	-	-	-
	CW 90 HS PLASTIC	89.1	6.2	-	-	-	-
Furnace Component	Product Description	Alumina Al2O3 %	Silica SiO2 %	Zirconia ZrO2 %	Silicon Carbide SiC %	Magnesia MgO %	Chrome Cr2O3 %
Spout	MINRO-AL® PLASTIC A76	67.3	25.7	-	-	-	-
	MINRO-AL® PLASTIC A85	81.0	11.7	-	-	-	-
	MINRO-AL® PLASTIC A91	87.4	7.1	-	-	-	-
	STEEL-PAK 90CR	73.1	12.3	-	-	-	7.3
	CW 55 HS SEAL	57.1	36.8	-	-	-	-
	CW 85 HS SEAL	84.8	10.2	-	-	-	-
	CW 85 HS PLASTIC	83.8	9.0	-	-	-	-
	CW 90 HS PLASTIC	89.1	6.2	-	-	-	-
	APR PRECAST SHAPE
Structural Components	MINRO-AL® CAST A43	95.5	0.1	-	-	-	-
	MINRO-AL® CAST A44	95.5	0.1	-	-	-	-
	QUICK CAST® 52	58.1	36.2	-	-	-	-
	QUICK CAST® 62	62.2	32.4	-	-	-	-
	L-CAST® 679A	48.0	46.3	-	-	-	-
	APR PRECAST SHAPE
Furnace Component	Product Description	Alumina Al2O3 %	Silica SiO2 %	Zirconia ZrO2 %	Silicon Carbide SiC %	Magnesia MgO %	Chrome Cr2O3 %
Top Cap
	MINRO-AL® PLASTIC A76	67.3	25.7	-	-	-	-
	MINRO-AL® PLASTIC A85	81.0	11.7	-	-	-	-
	MINRO-AL® PLASTIC A91	87.4	7.1	-	-	-	-
	STEEL-PAK 90CR	73.1	12.3	-	-	-	7.3
	CW 55 HS SEAL	57.1	36.8	-	-	-	-
	CW 85 HS SEAL	84.8	10.2	-	-	-	-
	CW 85 HS PLASTIC	83.8	9.0	-	-	-	-
	CW 90 HS PLASTIC	89.1	6.2	-	-	-	-
Furnace Component	Product Description	Alumina Al2O3 %	Silica SiO2 %	Zirconia ZrO2 %	Silicon Carbide SiC %	Magnesia MgO %	Chrome Cr2O3 %
Working Lining	MINRO-SIL® RAM 1001	0.5	99.2	-	-	-	-
	MINRO-AL® RAM A29	88.7	3.6	-	3.7	-	-
	MINRO-AL® RAM A30	88.7	3.6	-	3.7	-	-
	DRI-VIBE® 226A	66.5	4.1	-	26.0	-	-
	DRI-VIBE® 227A	66.5	4.1	-	26.0	-	-
	DRI-VIBE® 250A	88.7	3.6	-	3.7	-	-
	DRI-VIBE® 252A	84.0	2.7	-	-	10.8	-
	DRI-VIBE® 253A	84.0	2.7	-	-	10.8	-
	DRI-VIBE® 350A	80.9	10.9	-	4.3	-	-
	DRI-VIBE® 351A	80.5	10.8	-	4.3	-	-
	DRI-VIBE® 353A	80.9	10.9	-	4.3	-	-
	DRI-VIBE® 390A	64.3	25.4	-	5.8	-	-
	DRI-VIBE® 401Z	0.2	83.3	15.1	-	-	-
	DRI-VIBE® 532Cu	-	93.2	-	-	-	-
	DRI-VIBE® 750A	78.4	13.6	-	4.0	-	-
	DRI-VIBE® 751A	78.4	13.6	-	4.0	-	-
	DRI-VIBE® 753A	78.4	13.6	-	4.0	-	-
	APR PRECAST SHAPE

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