Skip to navigation Skip to content

PORON®

Offering a broad range of design solutions for gasketing, sealing, and energy absorption.

Why We Work With PORON®

PORON® cellular urethane foams offer a broad range of design solutions for gasketing, sealing, and energy absorption. Through a unique manufacturing process, PORON materials can be formulated in a wide range of firmnesses and a variety of densities within each formulation. PORON foam and PORON sponge is supplied in continuous rolls and can be easily fabricated through die-cutting, slitting, machining and laminating.

Get a Quote

 

Key Benefits

Excellent Resistance to Compression Set

High-Energy Absorption

Low Out-Gassing

Resistant to Temperatures

Bondable Surface

Low Hydrolysis

No Plasticizers to Migrate

High Internal Strength and Dimensional Stability

PORON® cellular urethane foams

PORON® 4701-30 Very Soft

Very soft, easily compressed for use where flexibility is a key requirement. Standard available thickness range from 0.021"

Learn More

PORON® 4701-40 Soft

Soft material for a wide variety of applications. Standard available thickness range from 0.031" to 0.500" (0.79 mm to 12.7 mm).

Learn More

PORON® 4790-92 Slow Rebound

Extra soft, slow rebound with a very low closure force. Standard available thickness range from 0.021" to 0.500" (0.53 mm to 12.7 mm).

Learn More

PORON® 4701-50 Firm

Firm material used for managing high energy impact with gasketing needs. Standard available thickness range from 0.012" to 0.500" (0.30 mm to 12.7 mm).

Learn More

Quick Reference Chart

Poron Number
Density (psi)
Thickness (inches)
Deflection (psi)
Durometer ("O")
Temperature (F)
UL 94 Rating
Datasheet
Poron Number: 4701-30
Density (psi): 15
Thickness (inches): .188 to .500
Deflection (psi): 1 to 5
Durometer ("O"): 3
Temperature (F): 194
UL 94 Rating: HBF (.188")
Poron Number: 4701-30
Density (psi): 20
Thickness (inches): .062 to .125
Deflection (psi): 3 to 8
Durometer ("O"): 8
Temperature (F): 194
UL 94 Rating: HBF (.093")
Poron Number: 4701-30
Density (psi): 25
Thickness (inches): .031 to .045
Deflection (psi): 5 to 12
Durometer ("O"): 16
Temperature (F): 194
UL 94 Rating: HBF (.062")
Poron Number: 4701-40
Density (psi): 15
Thickness (inches): .188 to .500
Deflection (psi): 4 to 8
Durometer ("O"): 12
Temperature (F): 194
UL 94 Rating: HBF (.188")
Poron Number: 4701-40
Density (psi): 20
Thickness (inches): .062 to .125
Deflection (psi): 7 to 13
Durometer ("O"): 17
Temperature (F): 194
UL 94 Rating: HBF (.062")
Poron Number: 4701-40
Density (psi): 30
Thickness (inches): .031 to .045
Deflection (psi): 15 to 40
Durometer ("O"): 34
Temperature (F): 194
UL 94 Rating: **
Poron Number: 4701-50
Density (psi): 15
Thickness (inches): .188 to .500
Deflection (psi): 8 to 14
Durometer ("O"): 18
Temperature (F): 194
UL 94 Rating: HBF (.188")
Poron Number: 4701-50
Density (psi): 20
Thickness (inches): .062 to .125
Deflection (psi): 13 to 23
Durometer ("O"): 24
Temperature (F): 194
UL 94 Rating: HBF (.062")
Poron Number: 4701-50
Density (psi): 30
Thickness (inches): .031 to .045
Deflection (psi): 30 to 60
Durometer ("O"): 55
Temperature (F): 194
UL 94 Rating: **

QUESTIONS? OUR TEAM HAS ANSWERS.

With over 40 years of growth we have one of the most comprehensive arrays of advanced processes in the industry.

Get a Quote