Undark (radium-based luminous paint)
                        
                            GPTKB entity
                        
                    
                Statements (17)
| Predicate | Object | 
|---|---|
| gptkbp:instanceOf | gptkb:luminous_paint | 
| gptkbp:contains | gptkb:radium zinc sulfide | 
| gptkbp:countryOfOrigin | gptkb:United_States | 
| gptkbp:discontinued | late 1930s | 
| gptkbp:introducedIn | 1917 | 
| gptkbp:marketedAs | safe | 
| gptkbp:notableFor | gptkb:Radium_Girls_scandal causing radiation poisoning | 
| gptkbp:producedBy | gptkb:U.S._Radium_Corporation | 
| gptkbp:riskFactor | radioactivity | 
| gptkbp:usedFor | making clock faces glow in the dark making instrument panels glow in the dark making watch dials glow in the dark | 
| gptkbp:bfsParent | gptkb:Undark | 
| gptkbp:bfsLayer | 7 | 
| https://www.w3.org/2000/01/rdf-schema#label | Undark (radium-based luminous paint) |