3M SCOTCH-WELD-EC-3500-2-B/A (4.5-kg-Kit)
VOID FILLING COMPOUND (4.5-kg-Kit)
AERO P/N: 103307
Hazardous Material
Advanced adhesive systems designed for aerospace applications. Based on 3M Scotch-Weld epoxy chemistry, these lightweight, heat-curing materials work as a void-filling compound for honeycomb sandwich structures. Ideal for reinforcing edges, corners, and complex gaps, ensuring strength and durability in temperatures from -55 °C to 175 °C.
Product Features
OEM
3M
OEM Part No.
7000033767
Colour
-
Shelf Life in Months
24
Shelf Life in Days
720
UN No
UN3077
Class
CL9
PG
PGIII
ECCN
EAR99
Country of Origin
France
Commodity Code
3907300090
Product Type
Adhesives
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Information
Additional Product Information
Overview
3M Scotch-Weld EC-3500-2 B/A and EC-3500-2 PMF (Pre-Mixed and Frozen) are heat-curing, low-density epoxy-based structural void filling compounds. They are engineered for honeycomb sandwich structures in aerospace manufacturing and repair, providing edge close-out, corner reinforcement, and local support for mechanical fasteners. Maintenance teams rely on these compounds for their strength, lightweight properties, and gap-filling versatility.
Key Technical Specs for 3M Scotch-Weld EC-3500-2
- Type: Heat-curing epoxy structural void filler
- Volume / Weight: Variable per kit, pre-mixed and frozen options
- Appearance: Low-density paste
- Viscosity / Consistency: Smooth, easily applied
- Cure / Working Time: Requires heat curing, time varies by thickness
- Tensile / Peel Strength: High performance adhesive for structural reinforcement
- Shore Hardness: Not specified
- Service Temperature: -55°C to 175°C (-67°F to 347°F)
- Typical Uses: Honeycomb reinforcement, gap filling, edge close-out, local support for fasteners
- Shelf Life: Refer to 3M product documentation
Approvals & Specifications
- OEM / Military specifications: Refer to 3M documentation
- Specification Codes: Not publicly available / not found in open sources
Typical Aircraft MRO / AOG Applications
- Filling structural voids in honeycomb sandwich panels
- Reinforcing local areas around mechanical fasteners
- Supporting edge and corner close-outs in composite assemblies
- Gap filling for complex structural geometries
Compatibility & Safety Notes
- Compatible with honeycomb composite sandwich structures
- Use personal protective equipment (gloves, safety glasses) during handling
- Follow 3M curing instructions to ensure full performance
Packaging & Procurement
- Available as B/A kits or Pre-Mixed Frozen (PMF) options
- Sizes depend on supplier; commonly in litre or kit packaging
- Store in controlled environment per 3M instructions
Why 3M Scotch-Weld EC-3500-2 is Chosen for AOG / MRO
- Provides rapid local reinforcement for high-stress areas
- Lightweight design preserves aircraft efficiency
- Reliable gap-filling and edge reinforcement capabilities
- Pre-mixed PMF option reduces preparation time and potential air entrapment
Practical Suggestions for Your Team (AOG Mindset)
- Maintain pre-mixed or B/A kits in AOG / MRO stock for rapid repairs
- Ensure technicians are trained on heat-curing requirements
- Use PMF option for critical high-strength applications
Manufacture / Aviation Spec Codes
- Manufacturer: 3M
- Product Type: Epoxy structural void filler
- Product Codes: EC-3500-2 B/A, EC-3500-2 PMF
- Service Temperature: -55°C to 175°C (-67°F to 347°F)
- Compliance: Refer to 3M aerospace technical documentation
Alternative Names & Descriptions
- 3M Scotch-Weld EC-3500-2 Pre-Mixed and Frozen
- 3M EC-3500-2 B/A Structural Adhesive
- 3M EC-3500-2 Honeycomb Filler
- 3M Scotch-Weld EC-3500-2 PMF Adhesive
- 3M EC-3500-2 Epoxy Void Filler
Restrictions
Restrictions
Restricted
Hazardous
Yes
Dry Ice
No
Precursor Licence
Export Licence
FEDEX Restriction
Supplier Disruption
no
Recommended Alternatives
Bought Together
Shipping Information
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