1. Scope
1.1 This specification covers the types, physical properties, and dimensions of unfaced, preformed rigid cellular polyisocyanurate plastic material intended for use as thermal insulation on surfaces operating between -40°F (-40°C) and +225°F (107°C). For specific applications, the actual temperature limits shall be agreed upon by the manufacturer and purchaser. This specification does not cover cryogenic applications. Consult the manufacturer for specific recommendations and properties regarding cryogenic applications.
1.2 The use of thermal insulation material covered by this specification may be regulated by building codes that address fire performance.
1.3 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.
1.4 When the installation or use of thermal insulation materials, accessories, and systems, may pose safety or health problems, the manufacturer shall provide the user appropriate current information regarding any known problems associated with the recommended use of the company's products, and shall also recommend protective measures to be employed in their safe utilization. The user shall establish appropriate safety and health practices and determine the applicability of regulatory requirements prior to use.
Related Links:
ASTM Classifications for Extol Products
SIC Codes for Extol Products
WBE, FBE, DBE Certifications
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