RING & BALL APPARATUS
Product Details:
This apparatus is used to determine softening point of bitumen. Ring and ball apparatus is used to determine softening point. It is that temperature at which a sample of bituminous material loaded by a 9.5mm dia steel ball drops at a distance of 25mm.

Specifications: The apparatus consists of steel bracket with a sliding plate support. The support has two holes of 10mm dia on which a Ring and Ball guide can be kept. A central hole on this plate is for inserting thermometer. Supplied with a glass beaker approximate 8.5cm. I.D., 12cm high and a hand stirrer and 2 nos. 9.5mm dia steel balls.
Ring And Ball Apparatus (Electrical) : Same as above but supplied with a thermostatic hot plate. Suitable for operation of 230 V A.C.