At the National Commodity and Derivative Exchange, guar gum for most-traded, delivery in December slipped by Rs 27 or 0.33 percent to Rs 8,194 per quintal, with an open interest of 64,245 lots.
The delivery for November also eased by Rs 12 or 0.15 per cent to Rs 8,179 per quintal, with an open interest of 1,210 lots.
According to market players, the fall in guar gum futures prices is attributed to cutting down of bets by particpants and a weak trend at the spot markets due to falling export demand.