To provide a simple method for fumigating a fumigant insecticide capable of certainly beginning smoking, bringing the time to the beginning of smoking to 10-30 seconds which are most suitable to a user and a fugacity rate of the insecticide component to ≥70%.
This method for fumigating a fumigant insecticide is to house a fuming insecticide bag which is a bag made of a synthetic resin film in which a powdery insecticidal composition consisting of 2-20 wt.% insecticidal component, 75-97 wt.% azodicarbonamide which is an organic foaming agent and one or more specifies selected from zinc oxide and zinc carbonate in 1-5 wt.% are enclosed, in a recessed part of a fumigant cylindrical body having the formed recessed part for housing the aforesaid fuming insecticide bag on the top of the cylindrical body and a substantially closed inside space in the cylindrical body, subsequently feed water to a hydro-exothermic material filled in the inside space of the aforesaid fuming cylindrical body and begin fumigating within 10-30 seconds after feeding water to bring the fumigant to attain a fugacity rate of the insecticide component in a high level of ≥70%.
NAKAYAMA KOJI
KATSUTA YOSHIO
| JPH1192312A | 1999-04-06 | |||
| JP2000327503A | 2000-11-28 | |||
| JPH029330A | 1990-01-12 | |||
| JPH09165307A | 1997-06-24 | |||
| JPH10298016A | 1998-11-10 |