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1. Brief Introduction of Booster
The prime charge of the booster is TNT and RDX. It’s used in initiating the low detonator sensitive explosive such as ANFO explosive, slurry explosive and emulsion explosive. It’s widely applied in all kinds of coalmine blasting and deep hole blasting
Specification Charge(g) Diameter×Height（mm）
QBJ150 150 33×120
QBJ350 350 45×120
QBJ400 400 50×120
QBJ500 500 55×120

3. Performance of Booster
Item Performance
Ⅰ Ⅱ
Initiation sensitivity Reliable initiation and 100% explosion
Change density ≥1.50g/cm3 1.20-1.50g/cm3
Water Resistance Initiation sensitivity doesn’s change immersed in room-temperature water and under 0.3Mpa pressure foe 48hrs
VOD ≥7000m/s 5000～7000 m/s
Initiation sensitivity 100% explosion imitated by No.8 detonator or 3.6g/m, 5g/m detonating cord
Drop test No explosion and no ignition freely dropped from 12m onto hard ground, structural damage and shell damage may occur.
Temperature &Oil resistance After naturally cooled, no explosion and no ignition after immersion in No.0 light diesel for 8hrs

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Kunming Tengyuehao Trade and Economy Co., Ltd.

Address: No. 118 East Dongfeng Road, Kunming, Yunnan, China, 650000
Tel: +8618214600925
Established in November, 2004, Kunming Tengyuehao Trade & Economy Co., Ltd. (TYH for short) is engaged in export of industrial explosive products, including detonator, explosive, detonating cord, civil explosive raw material, and blasting service. Till right now, our business have been spread to more than 30 countries and regions like Vietnam, Myanmar, Burma, Mongolia, Ghana, Australia, etc. Our products have been appreciated and trusted by more and more foreign clients and we have established stable cooperative relationship with them.