Polyurethane Foam
PORON® 4701-60 (Very Firm)
Very firm polyurethane foam for gasketing, energy management, spacers, bumpers, and footpad applications
PORON® 4701-60 is a very firm microcellular polyurethane foam designed for demanding energy-management and enclosure-gasketing applications. It offers strong support, excellent compression set resistance, and dependable long-term performance.
For designs exposed to heat, vibration, dust, dirt, shock, and heavier loading, PORON® 4701-60 provides the highest firmness level within the standard 4701 family and is well suited for demanding industrial environments.
Why Choose PORON® 4701-60
- Very firm polyurethane foam for demanding gasketing and energy-management applications
- Available in 15, 20, and 25 lb/ft³ density options
- Published thickness range from 0.031 in. to 0.250 in.
- Excellent compression set resistance for long-term sealing consistency
- Strong fit for extreme environments involving heat, vibration, dust, dirt, and shock
- Well suited for applications requiring firm support and durable recovery
Common Applications for PORON® 4701-60
PORON® 4701-60 is best suited for applications that need very firm support and strong energy-management performance.
- Gaskets and seals
- Spacers
- Bumpers
- Footpads
- Gap-filling components in harsh environments
- Enclosure applications requiring firm support
Available 4701-60 Material Options
PORON® 4701-60 is available in standard constructions with supporting technical documentation.
- PORON® 4701-60 Very Firm
- PORON® 4701-60 Very Firm Global Standards Data Sheet
Data Sheets
Custom PORON® 4701-60 Gaskets, Seals & Converted Parts
SRP converts PORON® 4701-60 into custom die-cut gaskets, seals, spacers, bumpers, and firm support components for demanding industrial environments. For applications that need very firm compression performance, durable recovery, and long-term reliability, our team can help determine the right thickness, density, adhesive, and part design.
Send us your drawing, part dimensions, material requirements, adhesive needs, and annual usage, and we’ll review the application and recommend the right PORON® 4701-60 solution.
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Need Custom PORON® 4701-60 Gaskets or Converted Parts?
SRP converts PORON® 4701-60 into custom die-cut gaskets, seals, spacers, bumpers, and firm support components for demanding industrial environments. Submit your drawing, dimensions, thickness requirements, adhesive needs, and estimated annual usage, and our team will review your project and follow up with a quote.