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K-Obiol EC 25

Stored Products

K-Obiol EC 25

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Product Overview

An emulsifiable concentrate containing a residual contact pyrethroid for the admix treatment of bulk stored raw cereals - maize, wheat, rye, oats and sunflower stored in silos. Also for use as a residual spray treatment, thermal fogging solution and for the treatment of bag stacks in grain storage facilities. For the control of confused flour beetle, saw-toothed grain beetle, rust-red flour beetle, rice weevil, granary weevil, maize weevil and flat grain beetle.

Product Description


  • Emulsifiable concentrate containing a residual contact pyrethroid.
  • For direct application to grain in storage or residual treatment of grain storage facilities or fogging of grain storage facilities or treatment of bag stacks.
  • At 1ppm K-Obiol EC 25 does not adversely affect germination of maize, wheat and barley seed.
  • K-Obiol EC 25 is suitable for tank mix application with registered fungicide mixture for seed treatment.

Reg. No. L4586 Act No. 36 of 1947

Deltamethrin (pyrethroid) 25 g/l   
Piperonyl butoxide 225 g/l   HARMFUL


Up to 3 months on surfaces and 5 months on grains.


5 l bottle.

Use & Safety

Application rates and delivery

Before using this product read the label carefully.

Confused Flour Beetle, Saw-Toothed Grain Beetle, Rust-Red Flour Beetle, Rice Weevil, Granary Weevil, Maize Weevil and Flat Grain Beetle:

  • Direct application to maize, wheat, rye, oats and sunflower in bulk storage:
    1 part product / 16,5 parts water.Calibrate the spray equipment to give a nominal deposit of 0,75 ppm deltamethrin on maize and small grain and 1,5 ppm on sunflower:  (Grainflow in tons/h x 76) / 55 = ... ml / 10 sec.
  • Residual treatment of surfaces:
    100 - 120 ml / 10 l water / 200 m².

  • Fogging of storage facilities:
    1 l / 1 l paraffin / diesel / 4000 - 5000 m³.


  • Bag stack treatment:
    60 - 100 ml / 10 l water / 100 m².

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