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102.jpg (3709 bytes)  NON-RCF Insulation Type MAG-30

GENERAL INFORMATION
ZIRCAR NON-RCF Insulation Type MAG-30 is a rigid, uniformly bonded combination of NON-RCF silica magnesia glass fibers and inorganic binder. Exhibiting superior machineabilty - many detailed custom shapes can be made from it. Mag-30 is suitable for use as a substitute for insulation containing refractory ceramic fiber materials in applications with temperatures to 1260C (2300F).

The fibers used in MAG-30 exhibit a chemistry described in EU regulation (EU Directive 97/69/EC) as "of a manmade vitreous fiber with alkaline oxide and alkaline earth oxide content greater than 18% by weight". These fibers were tested pursuant to EU regulations ECB/TM/27, Rev. 7 Nota Q, Directive 97/69/EC with results that are below regulatory thresholds.

MAG-30 is vacuum formed into boards and other desired geometries. Upon drying, binder migration is prevented, resulting in a uniformly bonded highly machineable structure. In applications where a harder exterior is surface is desired,  ZIRCAR Silica Rigidizer Type Type SI-RIG can be applied. 

MAG-30 is prefired, contains no organic binders and produces no smoke or odor when heated.

CHARACTERISTICS & PROPERTIES

Typical Composition, wt %  
    SiO2

89

    MgO

10

    Other

1

Avg. Fiber Diameter, microns

4.6

Density, g/cc (pcf)

0.48 (30)

Durometer, ASTM 02240, (PTC Type A, Model 306L)

≥36

Compressive Strength**, at % Comp., RT, psi  
        1

5

        2 13
        5 39
        10 55
MOR**, psi  

80

Shrinkage (Estimate), % after 24 hrs. @ 870C
    Length & width

0.2

    Thickness

0.8

Thermal Conductivity (Estimate)**, W/mK (BTU/hr ft F/in)

    400C (752F)
    800C (1472F)
    1100C (2012F)

0.11 (0.8)

0.17 (1.2)

0.26 (1.8)

**

Properties expressed parallel to thickness
SUGGESTED APPLICATIONS

Substitute for rigid RCF containing insulation products.

Primary thermal insulation in low mass furnaces and thermal process systems operating to 1260C(2300F).

Backup thermal insulation in furnaces and thermal process systems operating to high temperatures.

Launders, distribution boxes, pouring spouts, hot tops and others involving molten metal contact.

Vestibule Blocks in semiconductor processing diffusion furnaces.

Furnace and kiln flue and chimney linings.

Combustion chamber liners, baffles and muffles.

High temperature setters, supports and process fixtures.

Electrical insulation in systems operating at elevated temperatures.

Thermal insulation in hot appliances.

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AVAILABILITY

STANDARD BOARDS

ITEM #

DESCRIPTION

PRICE*

SHIP WT. (lb.)

 

A183-01

 MAG-30, 24in.W x 36in.L x1in.T

Call for Price and Availability

29  

A183-02

 MAG-30, 24in.W x 36in.L x 2in.T 44  
 * Note: Prices shown apply to sales within the United States. Contact us for information regarding international commerce.

To place your order, please click the respective "ORDER" button next to the item you wish to purchase. To view your shopping cart click the button to the right. For more info -click here-

Standard boards are available for immediate shipment from stock. Standard tolerances for boards are +/- 1/4in. on length and width and +/- 1/8in. on thickness. 

Boards are typically produced up to 36in. wide x 48in. long x 1in. to 4in. thick. Custom boards and shapes smaller than a few cubic inches and larger than several cubic feet can been produced.

Custom boards, cylinders, shapes and preparations are available on request. Our forming processes, large inventory of custom tooling and state of the art machining techniques allow a wide variety of sizes and shapes to be made. Special geometries such as disks, rings, custom bore (round corner square, hexagonal, oval, etc.) cylinders, staved cylinders, troughs, channel, angle, custom-machined shapes and others can be fabricated. Custom machining, compositional variations and the application of surface rigidizers and hardening agents are available.

Please contact us with your special requirements. We are pleased to contact you if you would like more information or want to discuss custom product availability and pricing.

To Order

Standard boards: order online or specify quantity, item # and description.

Custom boards: specify quantity, product type and size. Example: 20ea, MAG-30, 20in.W x 35.5in.L x 2in.T

Custom boards, cylinders, shapes and preparations: specify quantity, product type and description (by supplying drawings, sketches, written descriptions or material specifications).

Copyright 2006  ZIRCAR Ceramics, Inc.