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Normas ASTM – AENOR
ASTM D3982-98

ASTM D3982-98

Standard Specification for Contact Molded "Fiberglass" (Glass Fiber Reinforced Thermosetting Resin) Duct and Hoods

Fecha:
2017-08-16 /Historical
Superseeded by:
Scope:

1.1 This specification covers ducts and hoods fabricated by contact molding intended for use in handling corrosive fumes and process gases. Special attention is given to equipment that operates at temperatures over 180°F (82.2°C) with regard to strength and corrosion resistance.

1.2 The material of construction shall be "fiberglass" consisting of a polyester, vinyl ester, or other qualified resin-matrix systems with fiber reinforcement in accordance with Specification C582.

1.3 This specification is not intended to cover selection of resins and reinforcements for specific chemical environments.

1.4 All descriptions and limitations in this specification are to include both ducts and hoods, where applicable.

1.5 This specification covers ducts and hoods up to a design pressure of +5 psig (34.5 Pa).

1.6 The values stated in inch-pound units are to be regarded as the standard. The SI units given in parentheses are for information only.

Keywords:
Custom contact-pressure-molded plast; reinforced thermosetting resin hoods (for corrosive fumes), spec.,; Glass-fiber-reinforced (GRP) plast; reinforced thermosetting resin hoods (fabricated by custom; contact-pressure-molding/hand lay-up), for handling corrosive fumes,; spec.,; Hoods and covers; Resins; glass-fiber-reinforced thermosetting resin hoods (fabricated by custom; contact-pressure molding/hand lay-up), for corrosive fumes, spec.,; Laboratory apparatus; hoods, glass-fiber-reinforced thermosetting resins (for corrosive; fumes), spec.,; Plast (general)-glass-fiber reinforced products; thermosetting resin hoods (fabricated by custom contact-pressure; molding/hand lay-up), for corrosive fumes, spec.,; Reinforced thermosetting plast; hoods (glass fiber-reinforced thermosetting resin), fabricated by; custom-contact-pressure molding/hand lay-up (for corrosive fumes),; spec
50,61
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