ROLLERS 1099 - TAPERED ROLLERS TECHNOLOGICAL INNOVATION

Produced from an innovative manufacturing process, the RPA 1099 roller can be made according to the customer's needs and can be used at several zones of the kiln until the desired result is achieved.

It is important to ensure the correct installation in order to maximize the performance of this class of rollers. RPA technical department is available for any enquiries.

TECHNICAL FEATURES

	ROLLERS 1093	ROLLERS 1099 - TAPERED ROLLERS	ROLLERS 1093-B	ROLLERS 1100
MINERALOGICAL COMPOSITION	MULLITE	MULLITE	MULLITE	MULLITE
MINERALOGICAL COMPOSITION	ZIRCONIA	ZIRCONIA	ZIRCONIA	ZIRCONIA
Al203 + ZrO2	80%	82%	85%	87%
WATER ABSORPTION	10%	10%	9%	8%
APPARENT DENSITY	2,60g/cm3	2,60g/cm3	2,65g/cm3	2,75g/cm3
MODULUS OF RUPTURA AT 25??C	< 450 kgf/cm2	< 450 kgf/cm2	< 480 kgf/cm2	< 440 kgf/cm2
THERMAL EXPANSION	50 (10 -7 ºC-1)	50 (10 -7 ºC-1)	50 (10 -7 ºC-1)	49 (10 -7 ºC-1)
MAXIMUM WORKING TEMPERATURE	1280°C	1150°C	1300°C	1300°C
THERMAL SHOCK RESISTANCE	Very Good	Very Good	Very Good	Very Good

NOTE: The above data is for general information and is based on typical process values.

Variations may occur and Refrat??rios Paulista reserves the right to modify them without prior notice.