Custom Engineered Protection

Moulded Parts

Precision injection and compression moulded polymer components for harness protection and strain relief.

IP67+Ingress Protection
Silicone & RubberMaterials
Custom ProfilesAvailable
UK MadeManufacturing
Moulded Parts

Moulded Parts

ISG provides custom and catalogue moulded polymer parts for aerospace and defence harness systems, including backshell strain relief boots, connector sealing grommets, wire outlet grommets and protective end caps. Products are manufactured from silicone, EPDM, neoprene and engineering thermoplastics including PEEK, PPS and glass-filled nylon, selected for compatibility with the target environmental and chemical exposure conditions.

Moulded parts are qualified to applicable sections of AS85049, MIL-DTL-38999 and customer-specific requirements. ISG works closely with design teams to develop bespoke moulded solutions for non-standard connector configurations, complex harness routing requirements and sealed enclosure interface applications. Full dimensional inspection reports and material certification packages accompany all deliveries.

  • Silicone, EPDM, neoprene, PEEK, PPS and glass-filled nylon grades
  • Custom and catalogue designs available
  • Qualified to AS85049, MIL-DTL-38999 applicable sections
  • Environmental sealing to IP67/IP68 capability
  • Temperature ranges to +200°C continuous (silicone)
  • Fluid and fuel resistance per ASTM D471
  • Full dimensional reports and material certs supplied
  • Low-volume prototyping through to series production

ISG Moulded Parts

Engineered
for Protection

What We Supply

Heat Shrink Caps & Endseals

Pre-formed heat shrink caps and end seals for waterproof termination of cables, looms and harness assemblies.

Breakout Boots

Moulded breakout boots for multi-way cable exits — providing strain relief, environmental sealing and harness protection.

Connector Boots

Heat shrink and moulded connector boots for environmental protection and strain relief at connector backshell assemblies.

Custom Mouldings

Bespoke heat shrink mouldings in complex geometries — caps, tees, reducers and special profiles manufactured to drawing.

Key Capabilities

Temperature Range
Up to +200°C continuous
Sealing
IP67 / IP68 capability
Material Options
Silicone, EPDM, PEEK, PPS, GF-Nylon
Key Standards
AS85049 / MIL-DTL-38999 / ASTM D471

Industries Served

Available From Our Companies

Enquire About Moulded Parts

Speak with our technical team about your specific requirements. We support new design projects, approved vendor qualification and volume supply agreements.

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