Contact person: Business Client

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Location: Derby, United Kingdom

Budget: Recommended by industry experts

Time to start: As soon as possible

Project description:
"Product Build Specification – Infra Fire Sticker (Buzzer-Only Version)

Brand: Infra SSR
Division: Infra Fire Stickers
Version: IF-BZ-01
Date: November 2025


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1. Product Overview

Infra Fire Sticker (Buzzer-Only Version) is a self-contained fire penetration detection sticker that instantly triggers a local audible alarm when fire breaches or penetrates the protected surface. Designed for EV battery enclosures, wall panels, electrical cabinets, and confined infrastructure, it provides singular event detection — no false alarms, no AI dependency, and no network connection required.


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2. Functional Description

Detects heat or flame penetration through sticker substrate (via embedded puncture/thermal displacement sensor array).

Triggers piezo buzzer alarm (≥ 90 dB) upon activation.

Alarm remains continuous until manual reset or power depletion.

One-time-use detection cycle; ideal for quick-response fire alert zones.



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3. Technical Specifications

Parameter Specification

Sticker Dimensions 80 mm × 80 mm × 1.5 mm (standard); custom sizes available
Operating Voltage 3V DC (coin cell CR2032)
Power Consumption (Idle) < 10 µA
Alarm Output ≥ 90 dB piezo buzzer
Trigger Response Time < 0.3 seconds after penetration
Detection Type Physical fire breach / heat puncture displacement
Operating Temperature -20°C to +70°C
Weight < 20 g
Adhesive Type Industrial-grade flame-retardant 3M backing
Indicator Audible buzzer only
Life Expectancy 3 years shelf life (battery included)
Reset Capability None (single-use event alarm)



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4. Core Components

Flexible sensor inlay (Infra proprietary puncture detection circuit)

Micro low-power alarm controller IC

Piezo buzzer unit

Coin cell power source (CR2032)

Fire-retardant adhesive layer

Protective top laminate (heat resistant polymer)



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5. Manufacturing Process

1. Substrate Preparation – Flame-retardant polymer sheet laminated with sensor foil.


2. Sensor Inlay Integration – Flexible PCB etched and bonded.


3. Controller & Buzzer Mounting – SMT placement of micro IC and piezo.


4. Battery & Seal Assembly – CR2032 mounted with insulation barrier.


5. Adhesive Application – 3M backing applied with pull-tab liner.


6. Testing & Quality Assurance – Thermal breach test and continuity verification.




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6. Safety & Compliance

Compliant with IEC 60086-4 (battery safety)

Meets UL94 V-0 flame rating for polymer layers

No external power required

No hazardous materials used



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7. Deployment Examples

EV battery casings (individual cell zones)

Electrical cabinets and switchboards

Industrial storage units

Residential fuse boxes

Aircraft/Aerospace enclosures (non-critical compartments)



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8. Product Lifecycle & Maintenance

Shelf life: 3 years

Battery replaceable for testing purposes only

Sticker replaced after any alarm activation



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9. Manufacturing Cost Estimate (Prototype Scale)

Component Unit Cost (USD)

Sensor Inlay $1.20
Controller + Buzzer $0.80
Battery $0.35
Housing & Adhesive $0.40
Assembly & QA $0.50
Total Estimated Cost $3.25 per unit" (client-provided description)