恒安防爆铜锤,手柄为：木柄、包塑柄两种。材质为：高纯度铝青铜合金、铍青铜合金两种均经国家轻工业防爆工具质量检验监督中心和河北省国家防爆电器产品质量技术监督检测测试中心检测，防爆性能均符合国家防爆工具GB10686-1989标准，具体产品满足QB/T3866-3872-1995标准要求;高硬度铝青铜硬度HRC>25,防爆级别为II类B级；铍青铜硬度HRC>35,防爆级别为II类C级。

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