Made in Switzerland from wood resin with low contaminant levels, Gugolz® lapping / polishing pitch is recognized worldwide in the precision optics industry as a premium product. Available in five different grades each with a discrete set of softening and melting points. These grades can be combined by the user to achieve custom softening / melt characteristics specific to the application. Available in 1kg (2.2 lb.) tubs.
|Grade||Hardness||Softening Point||Melting Point||Flash Point||Burn Point|
|#55||Very Soft||52 - 55||63 - 64||246||278|
|#64||Soft||65 - 68||68 - 72||229||262|
|#73||Medium||71 - 74||79 - 82||219||254|
|#82||Hard||75 - 77||79 - 82||210||246|
|#92||Very Hard||78||84 - 87||213||252|