Statements (31)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:leather
|
| gptkbp:alsoKnownAs |
gptkb:NBR
gptkb:Buna-N |
| gptkbp:category |
polymer
elastomer |
| gptkbp:chemicalClass |
acrylonitrile and butadiene
|
| gptkbp:color |
black
|
| gptkbp:density |
1.00-1.25 g/cm³
|
| gptkbp:developedBy |
gptkb:IG_Farben
1930s |
| gptkbp:glassTransitionTemperature |
-40°C to -20°C
|
| gptkbp:hardness |
Shore A 40-90
|
| https://www.w3.org/2000/01/rdf-schema#label |
n-buna
|
| gptkbp:mainMonomers |
acrylonitrile
butadiene |
| gptkbp:meltingPoint |
does not melt, decomposes
|
| gptkbp:polymerType |
copolymer
|
| gptkbp:resistantTo |
fuels
sunlight weathering ozone oils hydrocarbons |
| gptkbp:usedFor |
gaskets
fuel hoses O-rings automotive seals oil-resistant applications |
| gptkbp:bfsParent |
gptkb:Yorushika
gptkb:Nozarashi |
| gptkbp:bfsLayer |
6
|