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ASTM D1061-95(2004)e1

ASTM D1061-95(2004)e1

Standard Specification for Asbestos Lap

2010-12-31 /Historical
Superseeded by:

This specification establishes the properties of asbestos lap, a felted asbestos product, having a specified minimum mass % of asbestos fiber. Asbestos laps covered here are classified in two styles (Style 1 and 2) according to physical construction, five grades (Commercial, Underwriters', A, AA, AAA, and AAAA) according to mass percentage of asbestos content, and three types (Types II, IV, and VI) according to magnetic rating. Laps shall be made from a uniformly carded or otherwise felted blend of fibers. Specimens shall be sampled, prepared, tested, and conform accordingly to specified chemical composition (asbestos content), electromagnetic (magnetic rating), and dimensional (mass per unit length, and width) property requirements.


1.1 This specification covers asbestos lap, a felted asbestos product, having a minimum of 75 mass % of asbestos fiber.

1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.

1.3 Warning-Breathing of asbestos dust is hazardous. Asbestos and asbestos products present demonstrated health risks for users and for those with whom they come into contact. In addition to other precautions, when working with asbestos-cement products, minimize the dust that results. For information on the safe use of chrysoltile asbestos, refer to "Safe Use of Chrysotile Asbestos: A Manual on Preventive and Control Measures."

1.4 The following safety hazards caveat pertains only to the test methods, Section 12, described in this specification: This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. For specific safety hazard, see 1.3.

asbestos; asbestos lap; classification; lap; testing
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