Lead-free precussion primer mixes based on metastable interstitial composite (MIC) technology
First Claim
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1. A lead-free percussion primer composition comprising:
- a mixture of aluminum powder and molybdenum trioxide powder,wherein said aluminum powder and said molybdenum trioxide have a particle size of about 0.1 μ
m or less, and said aluminum powder has an outer coating of aluminum oxide.
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Abstract
A lead-free percussion primer composition and a percussion cup containing e composition. The lead-free percussion primer composition is comprised of a mixture of about 45 wt % aluminum powder having an outer coating of aluminum oxide and molybdenum trioxide powder or a mixture of about 50 wt % aluminum powder having an outer coating of aluminum oxide and polytetrafluoroethylene powder. The aluminum powder, molybdenum trioxide powder and polytetrafluoroethylene powder has a particle size of 0.1 μm or less, more preferably a particle size of from about 200-500 angstroms.
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Citations
11 Claims
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1. A lead-free percussion primer composition comprising:
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a mixture of aluminum powder and molybdenum trioxide powder, wherein said aluminum powder and said molybdenum trioxide have a particle size of about 0.1 μ
m or less, and said aluminum powder has an outer coating of aluminum oxide. - View Dependent Claims (2, 3, 4, 7, 9, 10)
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5. A lead-free percussion primer composition comprising particulate aluminum and polytetrafluoroethylene having a particle size of 0.1 μ
- m or less, wherein said particulate aluminum has a coating thereon of aluminum oxide.
- View Dependent Claims (6, 8, 11)
Specification