HEAT- AND SOUND-INSULATING MATERIAL Russian patent published in 1997 - IPC

Abstract RU 2077368 C1

FIELD: insulating materials. SUBSTANCE: invention relates to fiber-glass materials utilized for heat and sound insulation and also for filtration, for example, for removing dust from gas outbursts. Proposed material contains fiber-glass piercing cloth and two-side shell of nonwoven polypropylene. Surface density of material is about 520 l/sq.m, and that of shell about 70 sq.m. EFFECT: improved user's quality. 3 cl

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RU 2 077 368 C1

Authors

Kornev Sergej Vasil'Evich

Dates

1997-04-20—Published

1996-05-29—Filed