Polyurethane Foam
PORON® Soft Seal 4701-15 Series
Overview
The PORON® 4701-15 Soft Seal Series features the lowest-density formulation in the PORON lineup, offering superior dust sealing and cushioning performance at just 6.5 lb/ft³ (104 kg/m³). Designed for thin, lightweight applications, this microcellular polyurethane provides enhanced surface toughness and reliable protection in compact form factors.
Features
- Ultra-low density (6.5 lb/ft³ / 104 kg/m³) – excellent for lightweight sealing needs.
- Thin profiles – available in 0.53 mm, 0.75 mm, and 1.00 mm (±0.10 mm tolerance).
- Enhanced surface toughness – improves yields during die cutting and handling.
- Strong compressibility and conformability – adapts to surface irregularities easily.
- Supported with polyester film (PET) for added handling ease (typical for thinner formats).
Benefits
- Delivers long-term dust sealing and cushioning, even in minimal thicknesses.
- Offers exceptional conformability for precise sealing in tight or intricate designs.
- Easy to process—thin, durable design supports efficient die-cut workflows.
- Maintains protective properties in lightweight, compact assemblies.
Applications
- Cushioning and dust sealing in thin electronic displays and enclosures
- Gasketing for LCD glass or optical components
- Shock absorption and gap filling in compact mechanical parts
- Sound-blocking and vibration control in thin-profile designs
Why Choose PORON® 4701-15 Soft Seal?
- Lightweight and thin—perfect for ultra-compact designs needing dependable sealing.
- Soft and conformable—an ideal solution for sealing delicate or uneven surfaces.
- Built tough—enhanced surface durability ensures clean processing and long life.
- Material-ready format—supported options simplify handling and fabrication in production lines.
Data Sheets
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