---
title: "Aluminum Profile End Cap"
industry: "Aluminum Profiles Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:ALUMINUM_PROFILE_END_CAP"
  data_integrity_hash: "365dabc7c9832f3e62dd230c8b33078e"
  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:ALUMINUM_PROFILE_END_CAP"
  data_source_uri: "https://cnfx.com/llms/industry/aluminum-profiles-manufacturing/product/aluminum-profile-end-cap.md"
  official_resource_url: "https://cnfx.com/industry/aluminum-profiles-manufacturing/product/aluminum-profile-end-cap"
  is_verified_logic: true
attributes:
  profile_width:
    status: "config-dependent"
    typical_range: "0-120°C temperature, 0-100% relative humidity, 0-5 MPa compressive load"
    unit: "mm"
  profile_height:
    status: "config-dependent"
    typical_range: "0-120°C temperature, 0-100% relative humidity, 0-5 MPa compressive load"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 0.15
    unit: "mm"
    consequence: "Coefficient of thermal expansion mismatch (Aluminum: 23.1×10⁻⁶/°C vs. Polymer: 80-120×10⁻⁶/°C) causing interfacial stress, polymer chain scission under UV radiation at 290-400 nm wavelength, stress concentration at snap-fit engagement points exceeding yield strength"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Differential thermal expansion between aluminum profile (α=23.1×10⁻⁶/°C) and polymer cap (α=100×10⁻⁶/°C)"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Design with thermal compensation grooves and EPDM gasket (compression set &lt;25% at 100°C)"
  - node_2:
      trigger: "UV-induced polymer degradation at 0.35 W/m²·nm irradiance for &gt;3000 hours"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Material specification: Polyamide 66 with 2% carbon black and UV stabilizer (HALS at 0.5% concentration)"
bom_nodes:
  cap-body:
    type: "component"
    urn: "URN:CNFX:ME:CAP_BODY"
    interface_type: "physical-logic-coupled"
  internal-ribs:
    type: "component"
    urn: "URN:CNFX:ME:INTERNAL_RIBS"
    interface_type: "physical-logic-coupled"
  sealing-lip:
    type: "component"
    urn: "URN:CNFX:ME:SEALING_LIP"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 2768-1:1989 GENERAL TOLERANCES FOR LINEAR AND ANGULAR DIMENSIONS"
    scope: "Verified Engineering Specification"
  - standard: "EN 755-9:2016 ALUMINUM AND ALUMINUM ALLOYS - EXTRUDED ROD/BAR, TUBE AND PROFILES - PART 9: PROFILES, TOLERANCES ON DIMENSIONS AND FORM"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/aluminum-profiles-manufacturing/product/aluminum-profile-end-cap.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "4cefbec0ac0b9a4485656f2666cfa17d7ed91c54ce743e8acf399ce90829c23d"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Aluminum Profile End Cap

## 1. Technical Definition
Protective cover for aluminum extrusion profile ends

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0-120°C temperature, 0-100% relative humidity, 0-5 MPa compressive load**. Failure boundary: **Thermal expansion mismatch exceeding 0.15 mm at 150°C, compressive stress exceeding 7 MPa, UV exposure beyond 5000 hours at 0.5 W/m²·nm**, Mechanism: **Coefficient of thermal expansion mismatch (Aluminum: 23.1×10⁻⁶/°C vs. Polymer: 80-120×10⁻⁶/°C) causing interfacial stress, polymer chain scission under UV radiation at 290-400 nm wavelength, stress concentration at snap-fit engagement points exceeding yield strength**.

### 2.2 FMEA (Failure Mode & Effects Analysis)
| Event Trigger | Severity | Failure Mode | Mitigation Strategy |
| :--- | :--- | :--- | :--- |
| Differential thermal expansion between aluminum profile (α=23.1×10⁻⁶/°C) and polymer cap (α=100×10⁻⁶/°C) | 8 | Cap disengagement at ΔT&gt;75°C due to loss of interference fit | Design with thermal compensation grooves and EPDM gasket (compression set &lt;25% at 100°C) |
| UV-induced polymer degradation at 0.35 W/m²·nm irradiance for &gt;3000 hours | 8 | Cap embrittlement and fracture at strain &lt;2% | Material specification: Polyamide 66 with 2% carbon black and UV stabilizer (HALS at 0.5% concentration) |

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

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

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Injection Molding Machine**, **Industrial Chiller**, **Hopper Dryer**  
**Downstream Applications**: Window Frames, Display Shelving, Industrial Enclosures  

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

### Q: What materials are available for aluminum profile end caps?
**A**: Our end caps are available in PP plastic, PVC, rubber, and TPE materials, each offering different levels of flexibility, durability, and chemical resistance to suit various industrial applications.

### Q: How do I determine the correct size end cap for my aluminum profile?
**A**: Measure your aluminum profile's height and width in millimeters. Our end caps are designed to match standard profile dimensions, and we can provide custom sizes based on your specific wall thickness requirements.

### Q: What are the benefits of using end caps on aluminum extrusion profiles?
**A**: End caps protect aluminum profile ends from damage, prevent sharp edges, keep out dust and moisture, improve safety, and provide a finished appearance. They also help maintain the structural integrity of the profiles during handling and installation.

## 6. Manufacturing Compliance
- ISO 2768-1:1989 GENERAL TOLERANCES FOR LINEAR AND ANGULAR DIMENSIONS
- EN 755-9:2016 ALUMINUM AND ALUMINUM ALLOYS - EXTRUDED ROD/BAR, TUBE AND PROFILES - PART 9: PROFILES, TOLERANCES ON DIMENSIONS AND FORM

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Aluminum Profile End Cap](https://cnfx.com/industry/aluminum-profiles-manufacturing/product/aluminum-profile-end-cap)**

### 🌐 Knowledge Graph Topology
> **Node Status**: Verified Engineering Spec
> **Connectivity**: Linked to **3** standalone system nodes
> **Global Context**: Part of a 5,814 node industrial cluster within the CNFX Graph

> **Reference ID**: ALUMINUM_PROFILE_END_CAP | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: ae410f81
