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SKU: HSKBOEING787
Product Type: Hump Seal Kits
Vendor: PPG - Transparencies

PPG Aerospace® Boeing Hump Seal Repair Kit — Complete Aerodynamic Seal Restoration

Aviation-grade. Boeing-specific. Built for speed and precision.

Engineered exclusively for Boeing aircraft hump seal maintenance, this all-in-one repair kit gives aviation technicians everything needed to restore aerodynamic integrity quickly and reliably — minimizing aircraft downtime and maximizing operational performance.
⚠️ Aviation Use Only: This kit is engineered to meet or exceed rigorous aerospace industry standards. For use by qualified aircraft maintenance technicians only.

What's Included in the Kit

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Polysulfide Sealant

Premium aviation-grade sealant formulated for hump seal restoration

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Seal Forming Tool

Custom-designed for Boeing windshield models for precise application

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Adhesion Promoter

Professional-grade primer for maximum sealant bond strength

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Application Tape

Ensures clean, defined edges for a professional finish

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Precision Razor Blades

For accurate trimming and surface preparation

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Technical Instructions

Clear step-by-step guidance for consistent, high-quality repairs

Why Choose This Kit?

Reduces Aircraft Downtime

Streamlined repair process significantly cuts turnaround time — keeping Boeing aircraft operational and on schedule.

Restores Fuel Efficiency

Returning hump seals to optimal condition restores the aerodynamic profile, directly improving fuel burn performance.

Meets Aerospace Standards

Every component is developed to meet or exceed rigorous aerospace industry requirements — no compromises on quality or safety.

Complete All-in-One Solution

No need to source individual parts. Every tool, material, and instruction needed for a professional repair is included.

Boeing-Specific Engineering

Designed specifically for Boeing aircraft hump seal geometry — ensures a precise fit and consistent seal profile every time.

Structural Integrity Maintained

Lasting repairs protect the aircraft's aerodynamic profile and structural performance through every flight cycle.

Ideal For

Boeing 737 Family Boeing 747 Boeing 757 / 767 Boeing 777 / 787 Line Maintenance MRO Facilities Hump Seal Restoration Aerodynamic Maintenance

PPG Aerospace Quality Assurance

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Aerospace-Grade Standards

Meets or exceeds rigorous aviation maintenance and safety requirements

Fuel Efficiency Restored

Restores aerodynamic profile to reduce drag and improve fuel burn

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Trusted by MROs Globally

PPG Aerospace expertise relied upon by airlines and maintenance teams worldwide

Tips for Best Results

Thoroughly clean and dry the hump seal area before applying adhesion promoter
Apply masking tape cleanly along seal edges before dispensing sealant for a professional finish
Use the forming tool in one smooth, continuous stroke for a uniform seal profile
Allow full sealant cure time before returning the aircraft to service — refer to the included technical instructions
Store unused sealant components sealed and away from direct sunlight or extreme temperatures
⚠️ Safety & Compliance Notice: This product is intended for use by qualified aircraft maintenance technicians only. Always follow applicable Boeing Aircraft Maintenance Manual (AMM) procedures, safety protocols, and regulatory requirements before performing hump seal repairs.

PPG Aerospace® is a registered trademark of PPG Industries. Kit contents and configuration may vary by aircraft model.