Product information

Used to determine grade of bitumen. The penetration tests determine consistency of needle having a standard weight will penetrate vertically in a duration of five seconds at a temperature of 25C determines penetration for graduation. It consists of a vertical pillar mounted on a base provided with leveling screws. The head, together with dial plunger rod and cone slides on a pillar and can be clamped at any desired height. A rack and pinion and pointer assemble provides fine adjustment of needle or canoe tip to sample. It has a clutch