FIELD: construction.
SUBSTANCE: invention relates to building materials, in particular roofing membranes. Building material comprises: substrate layer; layer of pressure-sensitive adhesive; and a layer or concentrated flat area of expandable graphite which is in contact with a layer of the pressure-sensitive adhesive.
EFFECT: invention improves fire safety and fire resistance of building materials.
14 cl, 4 dwg
| Title | Year | Author | Number |
|---|---|---|---|
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|
RU2674820C2 |
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|
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|
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|
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|
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|
RU2608525C2 |
| PACKAGE FOR ENDERMIC MEDICINE TRANSPORTATION SYSTEM (VERSIONS) | 2002 |
|
RU2301185C2 |
