What else is inside the lead door besides lead? And what does it include?

Описание: The internal structure of the lead door far exceeds merely being "a lead plate"; it is a composite designed for safety, durability, and ease of use. Upon disassembly, the internal core components are as follows:
The internal structure of the lead door (from the core to the surface):
1. Core shielding layer
High-purity lead plate: This is the absolute core of achieving protective functionality. Based on the designed lead equivalent (e.g., 2mmPb, 3mmPb, etc.), the lead plate is integrated into the door body with a specific thickness (or through multi-layer lamination). It is not a single solid piece but rather a "sandwich-like" core, ensuring uniform shielding across all parts of the door body.
2. Structural Reinforcement Layer
Steel skeleton/frame: Typically welded from square steel, angle steel, etc., it forms the "skeleton" of the entire door. It provides the structural strength and overall rigidity required for the lead door, preventing deformation due to its weight.
Ribs or reinforcing bars: Inside the door panel, there are also transverse or longitudinal reinforcing structures to ensure the surface remains flat, preventing sagging or shaking.
3. Fill and support layer
Filling material: the gap between the lead plate and the inner and outer skins is often filled with fireproof rock wool, polyurethane foam and other materials. Main function:
Sound insulation: reduces door opening and external noise.
Fireproof: Enhance the overall fire resistance of the door.
Insulation: Stabilize the internal ambient temperature.
Support: Provide uniform support for the inner and outer skin to avoid sagging when the skin is pressed.
4. Inner and outer skin layers
This is the surface of the door body you can see and touch. Common materials include:
Cold-rolled steel plate: The surface is often treated with a spray coating (electrostatic powder coating), forming a durable and aesthetically pleasing colored finish (such as gray, white, blue, etc.).
Stainless steel plate: commonly used in environments with high cleanliness requirements such as operating rooms and cleanrooms, it is aesthetically pleasing and easy to disinfect.
Decorative Laminating: PVC wood grain film or fireproof panels can be applied to steel plates, integrating the appearance with the hospital or building's decor to resemble ordinary wooden doors.
5. Key Components and Integrated Systems (Especially for Electric Doors)
Motor and Transmission System: The core component driving the opening/closing of the door leaf.
Control system: includes control boxes, sensors (infrared, radar), switches, buttons, card readers, etc.
Safety devices: such as anti-pinch sensors, emergency stop switches, and power-off manual release mechanisms.
Interlocking device: Ensures that the door cannot be accidentally opened while the radiation equipment is in operation, serving as a crucial safety redundancy design.

Company Name: Shandong Standard Metal Products Co., Ltd
Contact：Jason
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