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PLAINTIFF'S EXHIBIT
J-M THERM 0-12*
asbestos-free pipe and block insulation
DESCRIPTION: A molded, high temperature pipe and block insulation, J-M Thermo-12 is com posed of hydrous calcium silicate. It is an insulating material which, because of its light weight, low thermal conductivity, great structural strength and insolubility in water, is ideal for high temperature piping and equipment.
AVAILABLE FORMS: Thermo-12 is fur nished in both sectional pipe insulation and block form. The pipe insulation comes in a complete selec tion of sizes up to 24" x 4" half sections. Pipe sizes 25" through 33" are available in quad segments. Scored blocks 12" x 36" in thicknesses from 1W to 3Vi" are available for application on curved sur faces representing a diameter range from 34" through 180". Scored blocks are furnished with three equally spaced scores. Beveled blocks are also available in widths of 6", 12", and 18", by 36" lengths, in a full range of thicknesses.
USES: Especially recommended for use in the power generation and process industries on in door and outdoor piping and equipment operating at temperatures to 1500F. Thermo-12 is light enough for easy handling and fast application. Re peated wettings have no permanent effect on it which makes it ideal for installations subjected to weather, or for insulating underground steam lines. Because it will not burn or carry flame, it may also be advantageously specified for use in the presence of inflammable gases and liquids.
J-M Trademark
ADVANTAGES:
Exceptional Strength
Similar in chemistry and composition to a very fine concrete, Thermo-12 will withstand unusual operating abuse without appreciable damage.
Extreme Lightness
Thermo-12 is as light as many insulating materials pos sessing a fraction of its strength and durability.
Not Damaged by Water
Can be soaked in water without damage. After drying, conductivity will be as good as new.
Easy Application
Thermo-12 is purposely made in large blocks and half
sections to facilitate handling and reduce number of
joints.
Low Conductivity
LAM 005098
Thermo-12 offers one of the lowest k factors of all in sulations in general use throughout the power genera tion and process industries.
Low Chloride Content
Thermo-12 has a low chloride content and can be used on Austenitic stainless steel without problems since it meets MIL-I-24244 Amendment 3 for chloride content.
DPMC-02711
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THERMO-12 PIPE & BLOCK INSULATION t Specification Data*
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yPhiYSICAL PROPERTIES
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Density (dry)
13 lbs per cu ft
Transverse Strength (modulus of rupture)
SO psi
Compressive Strength (based on 2" thickness of block)
165 psi to produce 5% compression
Linear Shrinkage
1.1 % after 24-hr soaking period at 1500F
Maximum Service Temperature
1500F
The physical properties of Johns-Manville Thermo-12 represent typical average values obtained in accordance with accepted test methods and are subject to normal manufacturing variations. They are supplied as a technical service and are subject to change without notice. Check the Johns-Manville district office to assure current information.
MEAN TEMPERATURE, F 100 200 300 400 500 600 700
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COMPLIANCE WITH GOVERNMENTSPECS
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Pipe Insulation:
MIL-1-2781 Grade I, Class b, to 600F (except k at 200F) Grade II, Class d, to 750F (except k at 200F) Grade III, Class e, Type I and II, to 1200F
HH-l-523 Type II, Class A and B, to 1200F MIL-l-24244, Amendment 3
Block Insulation:
MIL-l-2819 Class 1, to GOOF (except k at 200F) Class 2, to 1200F Class 3, to 1500F
HH-l-523 Type I, to 1200F
Pipe and Block Insulation:
C533, to 1200F
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Johns-Manville
Greenwood Plaza Denver, Colorado 80217 Sales Offices in Principal Cities
LAM 005099
DPMC-02712
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