. . . . . . . "Ring and Ball Apparatus is used to determine the softening point of bitumen, waxes, LDPE, HDPE/PP blend granules, rosin and solid hydrocarbon resins. The apparatus was first designed way back in the 1910s while ASTM adopted a test method in 1916. This instrument is ideally used for materials having softening point in the range of 30 \u00B0C to 157 \u00B0C."@en . . "3138"^^ . . . . . . . . "Ring and Ball Apparatus"@en . . . "63682456"^^ . "1083946418"^^ . . . "Ring and Ball Apparatus is used to determine the softening point of bitumen, waxes, LDPE, HDPE/PP blend granules, rosin and solid hydrocarbon resins. The apparatus was first designed way back in the 1910s while ASTM adopted a test method in 1916. This instrument is ideally used for materials having softening point in the range of 30 \u00B0C to 157 \u00B0C."@en . . . . . . .