行业组件数据 · 2026

起爆药

Primary explosive is a highly sensitive explosive compound used to initiate larger secondary explosives in precision percussion primer assemblies.

技术定义与适配语境
典型 起爆药 会按材料、尺寸公差、适配关系和失效风险在 机械和设备制造 中评估。

Primary explosive is a specialized chemical compound characterized by extreme sensitivity to mechanical stimuli such as impact, friction, or heat. In industrial applications, particularly within precision percussion primer assemblies, it serves as the initial explosive charge that reliably detonates under controlled conditions to initiate less sensitive secondary explosives. These compounds are engineered to have precise initiation thresholds and consistent performance characteristics for safety and reliability in controlled detonation systems.

组件规格

定义
Primary explosive is a specialized chemical compound characterized by extreme sensitivity to mechanical stimuli such as impact, friction, or heat. In industrial applications, particularly within precision percussion primer assemblies, it serves as the initial explosive charge that reliably detonates under controlled conditions to initiate less sensitive secondary explosives. These compounds are engineered to have precise initiation thresholds and consistent performance characteristics for safety and reliability in controlled detonation systems.
工作原理
Primary explosives function through rapid deflagration-to-detonation transition when subjected to specific mechanical or thermal stimuli. In precision percussion primer assemblies, impact from a firing pin creates localized pressure and heat that exceeds the compound's initiation threshold, causing instantaneous chemical decomposition that generates a shock wave. This shock wave propagates through the assembly with sufficient energy to reliably initiate secondary explosives while maintaining precise timing and directional control.
材料
Lead azide (Pb(N3)2)lead styphnate (C6HN3O8Pb)mercury fulminate (Hg(CNO)2)or modern alternatives like DDNP (diazodinitrophenol). High-purity crystalline structures with controlled particle size distribution (typically 1-10 microns).
Sensitivity
Impact: 2-10 cm (2kg drop hammer), Friction: <10N
Storage Life
10-20 years in controlled conditions
Particle Size
1-10 microns (controlled distribution)
Thermal Stability
Stable up to 150°C
Detonation Velocity
4000-5500 m/s
Minimum Initiating Charge
10-50 mg
标准
ISO 2685DIN 20163MIL-STD-1316

行业分类与别名

起爆药 的常用贸易名称、技术标识和检索关键词。

上级产品

该组件会出现在以下整机或工业产品中。

FMEA · 风险与缓解

诱因 → 失效模式 → 工程缓解

Moisture absorption during storage->Reduced sensitivity and unreliable initiation->Hermetic sealing with desiccants, regular humidity monitoring, and controlled storage environments
Crystal growth or decomposition over time->Increased sensitivity leading to accidental detonation->Regular stability testing, controlled shelf-life management, and proper rotation of inventory
Electrostatic discharge during handling->Premature detonation->Grounding systems, anti-static equipment, and conductive flooring in handling areas

工业生态与工程逻辑

0
High sensitivity to impact/friction
1
Chemical instability over time
2
Toxicity of decomposition products
3
Electrostatic discharge sensitivity
4
Compatibility issues with certain materials

合规与检测

tolerance
±5% mass variation, particle size distribution within ±2 microns, moisture content <0.5%
test method
ISO 2685 for sensitivity testing, MIL-STD-1316 for reliability, ASTM E1226 for explosive hazard classification

制造该组件的工厂

来自 CNFX 组件能力表的相关制造商资料。

制造商列表用于前期研究和供应商能力理解,不代表认证、排名或交易担保。

采购评估维度

不是客户评论,也不是实时热度。以下维度用于前期 RFQ 准备和供应商评估。

技术文档
4/5
制造能力
4/5
可检验性
5/5
供应商透明度
3/5

这些分值是采购评估维度示例,不代表真实客户评分、具体国家买家反馈或实时询盘。

相关组件

常见问题

What makes primary explosives different from secondary explosives?

Primary explosives are significantly more sensitive to mechanical stimuli (impact, friction) and have lower initiation energy requirements, making them suitable for reliable initiation of larger, less sensitive secondary explosives in controlled systems.

How are primary explosives safely handled in industrial settings?

Strict protocols include remote handling systems, anti-static environments, controlled humidity (30-50% RH), temperature regulation (15-25°C), specialized tools, and comprehensive personnel training with regular safety audits.

What are the main safety considerations for primary explosive storage?

Isolated storage facilities with blast containment, temperature/humidity monitoring, limited quantities per container, electromagnetic shielding, and regular stability testing to prevent decomposition or sensitization.

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CNFX Industrial Component Index · 机械和设备制造

数据基础

CNFX 制造商资料、技术分类、公开产品信息和持续合理性检查。

初步技术归类
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URN:CNFX:ME:UNIT:PRIMARY_EXPLOSIVE