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2600 Series Ceramic Fiber Insulation Board

Properties and Characteristics

For General Product and Application Information, please go to Ceramic Fiber Insulation Boards page.

Standards and Options
Standard Thickness	1/4" to 2" ; other thickness up to 7" available upon request
Standard Size	24" x 29" , 24" x 36" , 24" x 48" , and 33" x 66" ; other sizes available
Densities	-LD (14-18 lbs/ft³) for most standard applications (available in wet blanket form) -MD (22-26 lbs/ft³) where a slightly more rigid composition is required -HD (28-32 lbs/ft³) for applications requiring rigid and/or abrasion-resistant composition
Properties and Characteristics
	LD	MD	HD
Color before Firing	Off-White	Off-White	Off-White
Color after Firing	White	White	White
Maximum Use Limit	2600º F (1430ºC)	2600º F (1430º C)	2600º F (1430ºC)
Melting Point	3260º F (1780ºC)	3260º F (1780ºC)	3260º F (1780ºC)
Typical Chemical Analysis
	LD	MD	HD
SiO₂	55%	37%	29%
AI₂O₃	26%	50%	61%
ZrO₂	15%	10%	7%
Binders/Trace Elements	4%	3%	3%
Approximate Thermal Conducitivity
	Btu•in/hr•ft²•ºF
Mean Temperature	LD	MD	HD
400º F (205º C)	0.36	0.52	N/A
800º F (425º C)	0.56	0.72	0.55
1200º F (650º C)	1.02	1.00	0.80
1600º F (870º C)	1.34	1.33	1.00
2000º F (1095º C)	2.00	1.82	1.22
Download PDF of Spec Sheet