Suitable for bonding capacity coal, metallurgy, coke and coking coal laboratory research units - Determination Roga index and bond index. GB GB/T5447-1997 "Determination of caking index of bituminous coal" consistent. Technical parameters of the drum and mixing parameters of technical indicators parameter drum revolutions rpm range 50 ± 2r/min number of samples 2 250 rpm crucible tilt angle 45 ° stirring rod speed 150r/min crucible speed 15r/min 45 ° mixing time 1 minutes 45 seconds 45 ° to the vertical time 15 seconds display digital display power supply voltage 220V 50Hz 54W Dimensions (L × W × H) 400 × 455 × 340mm ASNJ-Ⅲ z automatic bond index detector [Beijing direct automatic stick knot index detector] Shu special automatic bond index detector ASNJ-Ⅲ z automatic bond index detector [Beijing direct automatic bond index detector] Shu special automatic bond index detector ASNJ-Ⅲ z automatic stick knot index tester [Beijing direct automatic bond index detector] Shu special automatic bond index detector