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ALUMINA-SILICA MOLDABLE TYPE RS-B

GENERAL INFORMATION

ZIRCAR Alumina-Silica Insulating Blanket Type RS-B Moldable is composed of long, high strength ceramic fibers, with an inorganic alumina binder/rigidizing agent. It is a wet blanket that is shipped rolled up and sealed in a plastic bag to preserve its moldability.

Type RS-B Moldable forms a strong, rigid, low density insulation for applications to 900°C (1652°F). It is 100% inorganic, non-combustible and contains no toxic or hazardous materials. Type RS-B Moldable is ideal for insulation of complex shapes and exhibits excellent erosion resistance under conditions of high, hot gas velocity. It can be cut to any size with a knife, scissors, or steel rule die. It can be formed to virtually any shape desired. Type RS- B Moldable possesses excellent strength for ease of installation. An unique process of locking in the binder ensures that it will not migrate. The result is a uniform homogeneous structure throughout the entire material.

Type RS- B Moldable does not adhere to itself, yet it can be cemented using air-set mortar. Type RS- B Moldable will normally air dry in 24 to 48 hours, with all the properties of a pre-fired insulation. Curing can be accomplished with a hot air gun or torch, or by immediate temperature exposure in the application.

Type RS- B Moldable can be put directly into high temperature ovens or furnaces.

SUGGESTED APPLICATIONS

    Type RS- B Moldable is used as hot gas duct, stack and flue liners.

    Type RS- B Moldable is used as custom molded valve enclosures.

    Type RS- B Moldable is used as small appliance insulation.

    Type RS- B Moldable is used as hot-face insulation where gas velocity is of concern.

    Type RS- B Moldable is used for custom fabricated insulation parts.

    Type RS- B Moldable is used as exhaust manifold insulation.

    Type RS- B Moldable is used as back-up insulation.

CHARACTERISTICS & PROPERTIES

Typical Composition, %

   Al2O3

33

   SiO2

41

   Other Metal Oxides

26

Density, gm/cm3 (Ib/ft3)

.30 (19)

Maximum Use Temp.*, C(F)

900(1600)

Color,

White

Tensile Strength^, MPa(psi)

1.2(175)

Compressive Strength**, MPa(psi)

   @10% Compression

0.07(10)

Shrinkage, %

   Drying 75°C(167°F)

0^, 3**

   Isothermal Soak,24 hrs.@ 800°C(1472°F)

2^

Thermal Conductivity**,W/m °K(BTU/ft2 °F /in)

   ASTM C177

   200°C (392°F)

0.07(0.46)

   500°C (932°F)

0.10(0.70)

   800°C (1472°F)

0.16(1.08)

* Maximum use temperature is dependent on variables such as stresses, both thermal and mechanical, and the chemical environment that the material experiences.
** Properties expressed parallel to thickness.
^Properties expressed perpendicular to thickness.

AVAILABILITY

Please call ZIRCAR Sales Office for Current Pricing.

ZRCI ITEM #

DESCRIPTION

KS20

RS-B MOLDABLE 24"X60"X1/4"