---
title: "Door Panel"
industry: "Fabricated Metal Product Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:DOOR_PANEL"
  data_integrity_hash: "2cfc432f182b9cfe43bba56f90c8357f"
  source_authority: "https://cnfx.com"
  strict_mode: true
source_identity:
  provider: "CNFX Industrial Knowledge Graph"
  index_version: "2026.Q1-Universal"
  authority_id: "URN:CNFX:ME:DOOR_PANEL"
  data_source_uri: "https://cnfx.com/llms/industry/fabricated-metal-product-manufacturing/product/door-panel.md"
  official_resource_url: "https://cnfx.com/industry/fabricated-metal-product-manufacturing/product/door-panel"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "0-150°C temperature differential, 0-2.5 kPa pressure differential"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 3.0
    unit: "kPa"
    consequence: "Thermal stress-induced material fatigue exceeding yield strength of 250 MPa in polyurethane foam core at 200°C ΔT, combined with buckling failure of 1.2 mm steel skin at 3.0 kPa pressure"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Moisture ingress exceeding 5% by volume in polyurethane foam insulation"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Continuous perimeter seal with 3 mm EPDM gasket rated for 100,000 compression cycles at -40°C to 120°C"
  - node_2:
      trigger: "Cyclic mechanical loading exceeding 10⁶ cycles at 1.5 Hz frequency"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Reinforced mounting bracket with 4 mm steel plate and 8× M8 grade 8.8 bolts at 25 N·m torque"
bom_nodes:
  outer-skin:
    type: "component"
    urn: "URN:CNFX:ME:OUTER_SKIN"
    interface_type: "physical-logic-coupled"
  inner-skin:
    type: "component"
    urn: "URN:CNFX:ME:INNER_SKIN"
    interface_type: "physical-logic-coupled"
  insulation-core:
    type: "component"
    urn: "URN:CNFX:ME:INSULATION_CORE"
    interface_type: "physical-logic-coupled"
  edge-bandingframe:
    type: "component"
    urn: "URN:CNFX:ME:EDGE_BANDINGFRAME"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 9001:2015 - QUALITY MANAGEMENT SYSTEMS"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/fabricated-metal-product-manufacturing/product/door-panel.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "1b7894838007b324694087980b7dde0d96089a3c8c66249449b51a3832033590"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Door Panel

## 1. Technical Definition
The primary structural and insulating element of an insulated chamber door.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0-150°C temperature differential, 0-2.5 kPa pressure differential**. Failure boundary: **Structural failure occurs at 3.0 kPa pressure differential or 200°C temperature differential**, Mechanism: **Thermal stress-induced material fatigue exceeding yield strength of 250 MPa in polyurethane foam core at 200°C ΔT, combined with buckling failure of 1.2 mm steel skin at 3.0 kPa pressure**.

### 2.2 FMEA (Failure Mode & Effects Analysis)
| Event Trigger | Severity | Failure Mode | Mitigation Strategy |
| :--- | :--- | :--- | :--- |
| Moisture ingress exceeding 5% by volume in polyurethane foam insulation | 8 | Thermal conductivity increase from 0.022 W/m·K to 0.045 W/m·K, causing 15°C temperature rise across panel | Continuous perimeter seal with 3 mm EPDM gasket rated for 100,000 compression cycles at -40°C to 120°C |
| Cyclic mechanical loading exceeding 10⁶ cycles at 1.5 Hz frequency | 8 | Hinge mounting point fatigue crack propagation at 0.1 mm/cycle rate in 2.0 mm galvanized steel | Reinforced mounting bracket with 4 mm steel plate and 8× M8 grade 8.8 bolts at 25 N·m torque |

## 3. Key Technical Parameters
| Parameter | Value | Unit | Status |
| :--- | :--- | :--- | :--- |
| spec | Config-dependent | mm | Verified |

## 4. System BOM & Knowledge Routing
### Core Components (Recursive Links)

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Hydraulic Press Brake**, **Panel Roll Forming Machine**, **Foam Injection System**  
**Downstream Applications**: Walk-in Cooler Doors, Industrial Oven Doors, Cleanroom Access Doors  

## 5. Engineering Risks & FAQ
- **Caution**: 
- **Caution**: 
- **Caution**: 

### Q: What are the primary benefits of using an insulated metal composite panel for door construction?
**A**: Insulated metal composite panels provide excellent thermal insulation, structural strength, and durability. The steel skins offer impact resistance while the polyurethane foam core minimizes heat transfer, making them ideal for temperature-controlled chambers and industrial environments.

### Q: What materials are available for the door panel skins and how do they differ?
**A**: We offer stainless steel for corrosion resistance in harsh environments, galvanized steel for cost-effective protection against rust, and other coated steel options. Stainless steel provides superior longevity in wet or chemical-exposed applications, while galvanized steel offers reliable performance at a lower cost.

### Q: Can door panels be customized for specific chamber door applications?
**A**: Yes, our door panels are fully customizable in dimensions, material specifications, and edge banding configurations. We can accommodate various thicknesses, insulation densities, and specialized frame designs to meet specific thermal, structural, and dimensional requirements for your fabricated metal product applications.

## 6. Manufacturing Compliance
- ISO 9001:2015 - QUALITY MANAGEMENT SYSTEMS

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Door Panel](https://cnfx.com/industry/fabricated-metal-product-manufacturing/product/door-panel)**

### 🌐 Knowledge Graph Topology
> **Node Status**: Verified Engineering Spec
> **Connectivity**: Linked to **4** standalone system nodes
> **Global Context**: Part of a 5,814 node industrial cluster within the CNFX Graph

> **Reference ID**: DOOR_PANEL | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: e533b046
