Derchi Bulletproof Cast Aluminum Security Door | Explosion Resistant Steel Entry Door Manufacturers, Supplier
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Derchi Bulletproof Cast Aluminum Security Door | Explosion Resistant Steel Entry Door Manufacturers, Supplier

Derchi Bulletproof Cast Aluminum Security Door | Explosion Resistant Steel Entry Door Manufacturers, Supplier

When security demands escalate to the absolute maximum, this Bulletproof & Explosion Resistant Cast Aluminum Steel Security Entry Door rises to the challenge. Purpose-engineered for the highest-grade security scenarios, it integrates triple military-grade protection: bulletproof, blast-resistant, and anti-forced-entry capabilities in one unified system. The precision-cast aluminum exterior delivers luxury-door-level aesthetics, while the internal steel armoured structure and blast-absorption system form an impenetrable security fortress. Designed for military installations, government critical facilities, financial vaults, embassy residences, and private homes with extreme security requirements.

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Product Description

Material & Craftsmanship
Cast Aluminum Bulletproof Panel High-density cast aluminum alloy exterior effectively disperses ballistic impact energy while maintaining door surface integrity and aesthetic appearance.
Steel Armoured Core Specialized high-strength steel plate core meeting bulletproof safety rating standards, effectively resisting various ballistic threats.
Aluminum Honeycomb Blast Buffer Layer Aviation-grade aluminum honeycomb serves as the core buffer structure — progressively crushing and absorbing energy when blast waves arrive, dramatically reducing shockwave transmission to interior spaces.
Military-Grade Fluorocarbon Coating Military-standard fluorocarbon finish resists high temperatures, chemical corrosion, and impact scratching, maintaining stable performance under extreme conditions.
Bronzed Copper Camouflage Craft Luxury bronze appearance overlaid on military-grade protective performance — making the bulletproof blast-resistant door visually indistinguishable from standard luxury doors, achieving "invisible security".
304 Stainless Steel Reinforced Door Sill Ultra-thick stainless steel base frame withstands blast wave ground-level pressure, ensuring overall structural stability of the door system.
Bullet Proof Cast Aluminum Entry Door
Product Specifications
Parameter Details
Product Material Cast Aluminum / Aluminum Alloy (Cast Aluminum Panel + Steel Armoured Core)
Standard Size 2050×860mm (80.7"×33.86") / 2050×960mm (80.7"×37.80") / 2050×1200mm (80.7"×47.24")
Door Leaf Thickness 90mm (3.54") / 100mm (3.93")
Aluminum Plate Thickness 2mm – 20.0mm
Infilling Material Aluminum Honeycomb
Surface Finish Fluorocarbon Paint / Bronzed Copper Paint
Open Direction Inward/Outward, Left/Right
Door Sill 304 Stainless Steel
Hinges Visible Hinges
Lock System Mechanical Lock / Automatic Lock
Handle Zinc Alloy Handle / Stainless Steel Handle
Product Advantages
Bulletproof Ballistic
  • Cast aluminum panel + steel armoured dual-layer bulletproof structure effectively resisting ballistic impact
  • Multi-layer composite materials progressively consuming projectile kinetic energy, preventing penetration
  • Door body undergoes professional ballistic testing, achieving bulletproof safety certification
Blast Wave Resistance
  • Aluminum honeycomb buffer layer specifically designed to absorb explosion shockwaves through progressive crushing energy dissipation
  • Door structure maintains integrity under blast impact — no detachment, no fragmentation
  • Effectively reduces shockwave damage to indoor personnel and equipment
Physical Protection
  • Anti-pry: Reinforced cast aluminum panel + steel skeleton — tools cannot gain leverage
  • Anti-drill: Multi-layer heterogeneous material composite — drill bits cannot sustain progress
  • Anti-saw: Steel core with extreme hardness — cutting tools prove ineffective
  • Anti-ram: Integral structure resists impact — violent ramming causes no deformation
Invisible Security Aesthetics
  • Exterior appearance indistinguishable from standard luxury cast aluminum doors — security level remains concealed
  • Fluorocarbon paint / bronzed copper dual-process options blending into any architectural style
  • Delivers maximum security protection without sacrificing any aesthetic quality
Extreme Environment Adaptability
  • Cast aluminum exterior resists corrosion, salt spray, and extreme temperature differentials
  • Fluorocarbon coating withstands high temperatures and chemical agent exposure
  • Adapts to desert heat, coastal humidity, arctic cold, and all extreme climate conditions
Application Scenarios
Military Installations / Command Centers: Bulletproof + blast-resistant dual protection safeguarding core security zones.
Government Critical Departments: Meeting national-level security standards, protecting key personnel and classified information.
Bank Vaults / Financial Institutions: Bulletproof, blast-resistant, anti-pry — the ultimate last line of defense for asset security.
Embassies / Consulates: Standard configuration for diplomatic institution high-grade security requirements.
Jewelry Stores / High-Value Storage: Maximum protection grade safeguarding high-value assets.
High-Net-Worth Private Residences: Providing home security for entrepreneurs, officials, and high-risk individuals.
Data Centers / Server Room Entrances: Blast-proof and impact-resistant, protecting critical information infrastructure.
Why Choose Us
Professional bulletproof and blast-resistant door R&D and production qualifications with international security certification.
Military-grade material supply chain with inspection reports for every batch of steel and aluminum.
Dual verification through ballistic testing + blast testing with authentic, traceable data.
"Invisible security" design philosophy — protective performance and aesthetic quality achieved simultaneously.
Customizable protection levels based on specific security grade requirements.
OEM/ODM service available, long-term supply to military, government, financial institutions, and overseas markets.
Installation & After-Sales
Installation Process: Security requirement assessment → On-site precision measurement → Protection level scheme confirmation → Factory custom production (25-35 days) → Dedicated transport vehicle delivery → Professional security team installation → Bulletproof & blast-resistance performance acceptance testing → Handover for use.
Warranty Coverage: Door structure lifetime warranty; Surface finish 5-year warranty; Lock system 5-year warranty; Hardware accessories 3-year warranty.
Maintenance Tips: Monthly inspection of door surface for abnormal damage; lubricate hinges quarterly; professional lock system inspection and maintenance every 6 months; never disassemble internal structure without authorization.
Frequently Asked Questions (FAQ)
What protection levels do your cast aluminum bulletproof doors offer?
Our doors combine high-density cast aluminum panels, a high-strength steel armoured core, and an aviation-grade aluminum honeycomb blast buffer layer. They undergo rigorous ballistic and blast testing to meet certified standards against projectile penetration and shockwave forces.
Can the door dimensions and finishes be customized?
Yes. We provide comprehensive OEM/ODM services. Standard dimensions include 2050×860mm, 2050×960mm, and 2050×1200mm, with aluminum plate thickness customizable from 2mm up to 20mm. Surface finishes can be specified in military-grade fluorocarbon or bronzed copper paint.
What is meant by "Invisible Security"?
"Invisible Security" means that while the door delivers military-grade bulletproof, blast-resistant, and anti-pry protection, its exterior appearance remains visually indistinguishable from standard luxury architectural entry doors, keeping your security status completely discreet.
How long does production take, and how is installation handled?
Factory custom manufacturing takes approximately 25 to 35 days following size measurement and security level confirmation. Delivery is completed via dedicated transport, followed by installation by a professional security team and performance acceptance testing.
What warranty terms are offered on the door assembly?
We provide a lifetime warranty on the door structure itself, a 5-year warranty on the surface finish and locking system, and a 3-year warranty on all hardware accessories.
How does the door perform under extreme outdoor weather?
The cast aluminum exterior combined with military-grade fluorocarbon coating withstands severe salt spray, high humidity, chemical exposure, and intense UV rays, making it suitable for desert heat, coastal dampness, and arctic cold conditions.

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