Statements (99)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
polymer
synthetic resin |
| gptkbp:abbreviation |
gptkb:glass
gptkb:Lucite gptkb:Plexiglas gptkb:Perspex acrylic |
| gptkbp:chemicalFormula |
(C5O2H8)n
|
| gptkbp:color |
colorless
|
| gptkbp:commercializedIn |
1933
|
| gptkbp:density |
1.18 g/cm³
|
| gptkbp:discoveredBy |
gptkb:John_Crawford
gptkb:Rowland_Hill |
| gptkbp:discoveredIn |
1928
|
| gptkbp:flammability |
flammable
|
| gptkbp:fullName |
polymethyl methacrylate
|
| gptkbp:glassTransitionTemperature |
105 °C
|
| https://www.w3.org/2000/01/rdf-schema#label |
PMMA
|
| gptkbp:meltingPoint |
160 °C
|
| gptkbp:monomer |
methyl methacrylate
|
| gptkbp:producedBy |
polymerization
|
| gptkbp:refractiveIndex |
1.49
|
| gptkbp:solubility |
insoluble in water
soluble in organic solvents |
| gptkbp:transparency |
high
|
| gptkbp:usedFor |
gptkb:furniture
gptkb:jewelry gptkb:photographer gptkb:research_institute gptkb:sculpture gptkb:crafts gptkb:optical_fibers awards dish fiber optic cables musical instruments orthopedic surgery souvenirs toys contact lenses medical devices badges lenses signage windows solar panels trophies automotive parts hearing aids display cases coatings nameplates optical instruments decorative panels screens paints display panels lighting fixtures medical implants protective barriers bathtubs aircraft canopies dental prosthetics model making protective shields aquarium walls dentures intraocular lenses advertising signs artificial corneas artificial nails artificial teeth barrier screens bone cement brochure holders dental fillings dental plates display stands display windows greenhouse panels helmet visors light guides machine guards menu holders projection screens prosthetic eyes protective covers protective eyewear protective partitions safety glazing ticket dispensers vending machine windows watch crystals |
| gptkbp:UVResistance |
good
|
| gptkbp:weatherSealed |
good
|
| gptkbp:bfsParent |
gptkb:Ecstasy
gptkb:Lucite gptkb:Perspex |
| gptkbp:bfsLayer |
6
|