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Standard Test Method for Chemical Resistance of “Fiberglass” (Glass-Fiber-Reinforced Thermosetting-Resin) Pipe in a Deflected Condition
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STANDARD published on 1.8.2018
Designation standards: ASTM D3681-18
Note: WITHDRAWN
Publication date standards: 1.8.2018
SKU: NS-857418
The number of pages: 8
Approximate weight : 24 g (0.05 lbs)
Country: American technical standard
Category: Technical standards ASTM
Keywords:
chemical resistance, constant deflection, extrapolation, fiberglass pipe, regression line, strain-corrosion,, ICS Number Code 23.040.20 (Plastic pipes)
Significance and Use | ||||||||
5.1 This test method evaluates the effect of a chemical environment on pipe when in a deflected condition. It has been found that effects of chemical environments can be accelerated by strain induced by deflection. This information is useful and necessary for the design and application of buried fiberglass pipe. Note 4: Pipe of the same diameter but of different wall
thicknesses will develop different strains with the same
deflection. Also, pipes having the same wall thickness but
different constructions making up the wall may develop different
strains with the same deflection.
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1. Scope | ||||||||
1.1 This test method covers the procedure for determining the chemical-resistant properties of fiberglass pipe in a deflected condition for diameters 4 in. (102 mm) and larger. Both glass–fiber–reinforced thermosetting resin pipe (RTRP) and glass–fiber–reinforced polymer mortar pipe (RPMP) are fiberglass pipes. Note 1: For the purposes for this standard, polymer does not
include natural polymers.
1.2 Inch-pound units are to be regarded as the standard. The values given in parentheses are for information only. 1.3 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. Note 2: There is no known ISO equivalent to this standard. 1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee. |
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2. Referenced Documents | ||||||||
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