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K-Obiol EC Combi

Also labelled for use in these areas:

Stored Grain

K-Obiol EC Combi

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Product Overview

A synergised grain protectant for use on all cereal grains including wheat, malting barley, sorghum, rice and maize.  Available in a 1 L pack (which treats 50 tonnes) and 5 L pack (which treats 250 tonnes) for on-farm use. K-Obiol is also available in a 10 L pack for bulk handling use. 

Farmers wishing to use K-Obiol are required to complete stewardship training and an end user declaration. Click here to go to Training.

Distributors are required to ensure K-Obiol is only sold to accredited purchasers who have completed the training.

Want to see how K-Obiol is applied on farm? Watch the video here now where our Rural Specialist walks you through the process. 

Where to buy: Click here.

Download a copy of the GRDC (Grains Research and Development Corporation) publication, Stored Product Pests Identification: A Back Pocket Guide here.


Product Description

Use on un-infested grain in any type of storage, sealed or unsealed. It is suitable for use by grain growers and grain accumulators. Envu has implemented a Product Stewardship Program for K-Obiol EC Combi with the main objective to ensure grains are only treated once. NOTE: K-Obiol EC Combi has replaced the previous formulation - use rate remains unchanged. Visit the K-Obiol EC Combi section on this website. 


Learn more about K-Obiol EC Combi by visiting the dedicated section on this website (including On-line training and Sales Outlets).  Click here

Key Product Facts
  • Active ingredients: 50g/l deltamethrin, 400g/l piperonyl butoxide (synergist)
  • Use in combination with Fenitrothion or Chlorpyriphos-Methyl protectants where resistance is known
  • Can be used in sealed or unsealed grain storage

Use & Safety

Application rates and delivery

  • Harmful if swallowed 
  • Facial skin contact may cause temporary facial numbness 
  • Avoid contact with eyes and skin 
  • When handling, wear cotton overalls buttoned to the neck and wrist, elbow length PVC gloves, goggles and a disposable mist mask covering mouth and nose
  • If product gets on skin, immediately wash with soap and water 
  • If product gets in eyes, wash immediately with water 
  • Wash hands after use
  • After each use, wash gloves, goggles and contaminated clothing

Always read the label before use

How to use

  • Dilute the liquid with water.
  • Do not store diluted insecticide; prepare a fresh solution as necessary.

Rate of Application
  • Apply at a fixed rate of 1L of diluted product per tonne of grain. 
  • One litre of concentrate K-Obiol is diluted to 50L and this is used to treat 50 tonnes of grain. 

  • Spray onto the seed as it is loaded into storage