Test Sieve. Test Sieves 20 cm dia are fabricated out of spun brass without joint frame double folded bottom having beading at top tightly fitting with each other Endcott Pattern, with brass wire mesh, our own brand. Three series are normally available: BSS / ASTM/BIS. Test Sieves 20 cm Dia Fine Series TS/FS

Vibration Machine. BIS-4031 Vibration is mounted over coiled springs. Vibrations are by means of a revolving shaft with an eccentric. Frequency 12000±400 vibration per minute. Centre of gravity of the vibrator including the cube and mould is either at the centre of the eccentric shaft or within 25mm below it. Easy assembling and dismantling of cube mould. Provided with belt guard and a time switch. Suitable for operation in 230volts, 50 cycles single phase A.C supply. Vibration machine is supplied complete with one cube mould.

Ductility Testing Machine BIS:1208, For determining of asphalt cut bitumen and blown type bitumen. It consists of a bath thermostatically controlled with inlet and outlet taps. Fixed and movable brackets are so positioned that specimen is submerged in water throughout. The rates of pull of 50mm, min. and 10mm, min, air incorporated. A clutch arrangement is made to stop the movement of the movable bracket when repture of the specimen is noticed. Suitable for operation on 230 volts, 50 cycles, single phase, A.C supply. Complete with three moulds and plates supplied mounted on the appara