Aggregate Testing

Aggregate Impact Tester For determining the Aggregate Impact Value consists of a circular base with two vertical guides. The hammer of weight 13.75 ± 0.25 kg can be raised to fall freely down the vertical guides. The height of fall can be adjusted through 380 ± 5mm. The hammer is provided with a locking arrangement. The hammer falls freely to the base and is removable for emptying. Supplied complete with metal measures 75mm dia x 50mm high for specimen preparation and tamping rod 230mm long x 10mm dia.

Los Angeles Abrasion Testing Machine
The machine is for determining the resistance to wear of small size coarse aggregates and crushed rock. The machine consists of a hollow cylinder, mounted on a sturdy frame on ball bearings. A detachable shelf which extends throughout the inside length of the drum catches the abrasive charge and does not allow it to fall on the cover. The drum is rotated at a sped of 30-33 rpm by an electric motor through a heavy-duty reduction gear. Motor is suitable for operation on 415V, 3 phase, 50 HZ, AC Supply.

Supplied complete with a tray for collection of the materials with revolution counter and abrasive charge.

Spares :

• Abrasive charge, consist of a set of 12 hardened steel balls of 48mm dia. Aprox.
• Revolution counter.

Aggregate Crushing Value Apparatus Consists of M.S. Cylindrical container 150mm ±0.5mm dia x 130mm to 140mm high with base plate 200 to 230 mm. sqr x 6mm thick. A plunger of 148mm ± 0.5mm dia x 100 to 115mm high.

Optional Extra :
Metal measure 115 ± 0.5mm dia x 180 0.5mm high with tamping rod, 16mm dia x 600mm long, one end rounded.