INT’L PHONE: (732) 229-3444 | TOLL FREE: (888) 362-6888

Durafoam™ Closed Cell Sponge Rubber & Plastic Foam

Monmouth Rubber & Plastics

#1Durafoam™ is our INDUSTRY-LEADING closed cell sponge rubber and plastic foam, and is available as an equivalent to any current or obsolete Rubatex, Ensolite or ANR stock – We ship all over the world.

Physical Properties

  • Outstanding sound absorption
  • Excellent shock absorption
  • High strength-to-weight ratio
  • Superior insulation against heat and cold
  • Exceptional Flotation

Available in conductive, non-conductive and fire-retardant versions, Durafoam contains co CFC’s or HCFC’s. It’s also ROHS compliant and 100% recyclable.


Competitive Stock Number Equivalency Charts:

1. Durafoam™ Stocks Comparable to Rubatex® Stocks – View Chart

2. Durafoam™ Stocks Comparable to Ensolite® Stocks – View Chart

3. Durafoam™ Stocks Comparable to ANR Stocks – View Chart


80% of your technical questions on rubber and plastic foam answered here - click

NEW! Check it out after you read this page

Durafoam™ is available in some of the following types of rubber:

Chart - Durafoam, Duraflex and Airaflex is available in the some of following types of rubber

The Choice of Industry Leaders in a Wide Variety of Markets

  • Transportation
  • Construction
  • Athletic
  • Water Sports
  • Medical

Sheets of  “Closed Cell UL Gaskets” available in our UL Listed Durafoam DK Series

The Durafoam DK Series offers fabricators a one-stop shop for competitively priced materials that meet 80% of all the specifications you require, and offers the fabricator a one-stop shop at competitive pricing for:

  • UL 50E – Std safety for enclosures for electrical equipment
  • UL 508 – Std for safety industrial control equipment
  • UL 157 – Std for safety for gasket and seals
  • UL 94 HF1 – Std for safety for test for flammability for plastic materials

Read more about the Durafoam DK Series (click)

U.L. RECOGNIZED FOR ALL 5 HARDNESSES - DURAFOAM DK SERIES

DURAFOAM K SERIES IS U. L . RECOGNIZED FOR ALL 5 HARDNESSES
Click or tap to read [PDF]

ULTRAVIOLET EXPOSURE & OZONE RESISTANCE TESTING DURAFOAM™ 100% EPDM SERIES

ULTRAVIOLET EXPOSURE & OZONE RESISTANCE TESTING
Click or tap to read [PDF]

SOCIETY OF AUTOMOTIVE ENGINEERS - SURFACE VEHICLE RECOMMENDED PRACTICE

SPONGE AND EXPANDED CELLULAR RUBBER PRODUCTS
SOCIETY OF AUTOMOTIVE ENGINEERS - SURFACE VEHICLE RECOMMENDED PRACTICE - SPONGE AND EXPANDED CELLULAR RUBBER PRODUCTS
Click or tap to read [PDF]

HAZARD COMMUNICATION STANDARD

SAFETY DATA SHEET
Hazard Communication Standard
Click or tap to read [PDF]

THE JOY OF RUBBER & PLASTICS

by John Bonforte Sr.
The Joy of Rubber & Plastics
Click or tap to read [PDF]

CUT IT COAT IT FORM IT

CLOSED CELL APPLICATIONS ARE DETERMINED BY YOU…

From Concept to Solution: If you can dream it, Monmouth Rubber can make it!

SOME TYPICAL CLOSED CELL APPLICATIONS DURAFOAM IS USED FOR:

Automotive Industry

• AC/Heating Ventilating systems gaskets and seals
• Lighting Gaskets (Interior and Exterior)
• Dash Panel and Steering Column Seals
• Noise, Vibration & Harmonics Pads

Appliances

• Seals and Gaskets, Humidifier Mounting Pads, Sander Pads
• Sound Equipment Padding, Stereo Speaker Vibration Pads Lighting Equipment and Electrical Sign Gaskets (UL)

Construction – read more

• Electrical Box and Receptacle Seals
• Door Seals, Window Seals, Weather Stripping Lighting Fixtures
• Concrete Curing Blankets and Expansion Joint

Control Panels

• Air/Dust/Water Seals (Fire/Security Systems)

Electrical Enclosures

• Air/Dust/Oil/Water Seals (UL recognized for NEMA applications

Heating/Air Industry

• Air/Dust Seals, Gaskets/Weather Stripping

Lighting Industry

• Interior/Exterior, Air/Dust/Water Seals

Medical Industry

• Medical Equipment, Packaging, Pharmaceutical, Surgical

Sports Equipment

• Back Pack Pads, Knee Pads, Boat Cushions, Fishing Rod Holders

Other Applications

• Die Ejection Materials, Weather Stripping

Note: This chart is best viewed in landscape (rotated) on mobile devices.

UL GASKETS

Sheets of “Closed Cell UL Gaskets” available in our UL Listed Durafoam DK Series -
UL Listed Closed Cell Sponge Rubber & Plastic Foam.

Only The Durafoam Dk Series Is:
U.L. Recognized for all 5 Hardnesses to UL 50E, UL 157, UL 508, UL 94HF-1
All 5 Hardnesses are also listed To Canadian Listing CAN/CSA C22.2 NO. 017-92.
DK1111, DK2121, DK3131, DK4141, DK5151

UL Listed EPDM/NEOPRENE Closed Cell Rubber Blend, Durafoam™ DK Series (DK111, DK2121, DK3131, DK4141, DK5151)

UL Recognized DURAFOAM DK SERIES CLOSED CELL RUBBER is the only full line of ASTM SCE 41 THROUGH SCE 45 that is recognized to UL 50, UL 157, UL508, UL 94HF-1, and CANADIAN LISTING CAN/CSA C22.2 NO. 017-92

Request Technical Information

Note: This chart is best viewed in landscape (rotated) on mobile devices.

DURAFOAM DK1111   DK2121   DK3131   DK4141   DK5151  
COLOR BLACK BLACK BLACK BLACK BLACK
DENSITY (PCF APPROX.) 6 +/- 2 6 +/- 2 9 +/- 2 10 +3/-2 13 +/- 4
POLYMER See Note B: NEO/EPDM POLYMERIC BLEND NEO/EPDM POLYMERIC BLEND NEO/EPDM POLYMERIC BLEND NEO/EPDM POLYMERIC BLEND NEO/EPDM POLYMERIC BLEND
ASTM-D-1056-67 & 68, GRADE # SCE 41 SCE 42 SCE 43 SCE 44 SCE 45
ASTM-D-1056-91 & 07 SAE J18-R7/92 2C1 2C2 2C3 2C4 2C5
COMPRESSION SET, SUFFIX B2 25% MAXIMUM PASS PASS PASS PASS PASS
COMPRESSION DEFLECT @ 25% DEFLECTION 2 - 5 PSI 5 - 9 PSI 9 – 13 PSI 13 – 17 PSI 17 – 25 PSI
WATER ABSORP. BY WEIGHT MAX, ASTM MTHD. 5% (10% ALLOWED) 5% (10% ALLOWED) 5% (10% ALLOWED) 5% 5%
TEMPERATURE RESISTANCE Low ºF/High ºF See Note A -40/+250 -40/+250 -40/+250 -40/+250 -40/+250
ELONGATION % Min 150 150 150 150 150
HEAT AGING, 7 days @ 158ºF) +/- 30% MAX CD CHANGE PASS PASS PASS PASS PASS
TENSILE STRENGTH Min. 75 psi 100 psi 100 psi 125 psi 150 psi
OZONE 20% STRESS, 72 HRS @100 PPHM, ASTM-D- 1171-94; 1149-91; GM6086M; GM4486P; CHRYSLER MSAY 527 PASS PASS PASS PASS PASS
OIL RESISTANCE, FLUID IMMERSION E1, 7 Days @ 23ºC or 74ºF PASS PASS PASS PASS PASS
FLAME RESISTANCE TO UL 94 HF1, FMVSS302 PASS U.L. #E208679 PASS U.L. #E208679 PASS UL #E208679 PASS UL #E208679 PASS UL #E208679
FLAME RESISTANCE TO CANADIAN CAN/CSA C22.2 # 017-92 PASS U.L. #E208679 PASS U.L. #E208679 PASS UL #E208679 PASS UL #E208679 PASS UL #E208679
U.L. 50E, U.L. 157, & U.L. 508 PASS U.L. #JMLU2 MH10200 PASS U.L. #JMLU2 MH10200 PASS U.L. #JMLU2 MH10200 PASS U.L. #JMLU2 MH10200 PASS U.L. #JMLU2 MH10200

NOTE A: For temperature resistance lower and/or higher than the above figures, please contact technical assistance. Under certain
conditions, values greater than -40/+250 are possible.

NOTE B: Monmouth’s materials are manufactured to ASTM-D-1056 and other related ASTM Standards. ASTM specifies physical performance, notpolymers nor polymer content. Monmouth’s lab is equipped to certify to all the ASTM specifications either customer specified or on our physical properties chart. If a particular polymer or polymer content is required, please contact John Sr. with your specific requirements.

DISCLAIMER: To the extent that the above product information is derived form sources other than Monmouth Rubber, Monmouth Rubber is substantially, if not wholly, relying upon the other source(s) to provide accurate information. Information provided as a result of Monmouth Rubber’s own technical analysis and testing is accurate to the extent of our knowledge and ability, using effective standardized methods and procedures. Each user of these products, or information, should perform their own tests to determine the safety, fitness and suitability of the products, or combination of products, for any foreseeable purposes, applications and uses by the user and by any third party to which the user may convey the products. Since Monmouth Rubber cannot control the end use of this product, Monmouth Rubber does not guarantee that the user will obtain the same results as published in this document. The data and information is provided as a technical service, and the data and information is subject to change without notice. When considering the above product as a competitive equivalent material, please keep in mind that some materials have unique physicals that are not part of the recognized industry specifications and standards. Therefore, customer sample evaluation and approval of any substitution is suggested.

Monmouth Rubber will supply free of charge evaluation & testing of its materials to assist customers in their evaluation. For technical evaluation and support, please contact John M. Bonforte, Sr., 1-732-229-3444 Ext 12, or email: [email protected].

Durafoam DK Series UL Chart [PDF Download]

ISO CERTIFIED 9001:2008 CERTIFICATE #US08/5033

Have a Technical Question?
“Ask John” is Monmouth’s global technical support service. It is FREE and brings real value to your company. It allows Monmouth’s customers and visitors to have a 24/7 Technical Library & Test lab, absolutely FREE.

 

Durafoam™ Closed Cell Low Density EPDM PE P4991 TAN
Physical Properties

Request Technical InformationNote: This chart is best viewed in landscape (rotated) on mobile devices.

PHYSICAL PROPERTIES DURAFOAM P4991  
PolymerEPDM/PE
ColorTan
ASTM-D 1056-67
ASTM-D 1056-14
Suffix Requirements
RE-42
2A2
25% Compression Deflection (PSI)C1 , F2, M, P
50% Compression Set (% max)5-8
Density (lb/ft³)40
Water Absorption (lb/ft²)4-7
Tensile (PSI)0.1 max
Elongation (%)40 min
Flammability – FMVSS302225 min
Ozone Resistance:
Ozone 20% Stress,
72 HRS @ 1 00 PPHM,
ASTM-D- 1171-94; 1149-91 ; GM6086M;
GM4486P; CHRYSLER MSAY 527
Excellent
0 Cracks
Pass

DISCLAIMER: To the extent that the above product information is derived form sources other than Monmouth Rubber, Monmouth Rubber is substantially, if not wholly, relying upon the other source(s) to provide accurate information. Information provided as a result of Monmouth Rubber’s own technical analysis and testing is accurate to the extent of our knowledge and ability, using effective standardized methods and procedures. Each user of these products, or information, should perform their own tests to determine the safety, fitness and suitability of the products, or combination of products, for any foreseeable purposes, applications and uses by the user and by any third party to which the user may convey the products. Since Monmouth Rubber cannot control the end use of this product, Monmouth Rubber does not guarantee that the user will obtain the same results as published in this document. The data and information is provided as a technical service, and the data and information is subject to change without notice. When considering the above product as a competitive equivalent material, please keep in mind that some materials have unique physicals that are not part of the recognized industry specifications and standards. Therefore, customer sample evaluation and approval of any substitution is suggested. Monmouth Rubber will supply free of charge evaluation & testing of its materials to assist customers in their evaluation.

Monmouth Rubber will supply free of charge evaluation & testing of its materials to assist customers in their evaluation. For technical evaluation and support, please contact John M. Bonforte, Sr., 1-732-229-3444 Ext 12, or email: [email protected].

Durafoam™ Closed Cell Low Density EPDM PE P4991 TAN [PDF Download] Have a Technical Question?
“Ask John” is Monmouth’s global technical support service. It is FREE and brings real value to your company. It allows Monmouth’s customers and visitors to have a 24/7 Technical Library & Test lab, absolutely FREE.

Monmouth Has Been Supplying Durafoam and Bondaflex Materials to the Construction Industry for more than 50 years.

DURAFOAM C121A

Neoprene/Polymeric Blend Sponge
ASTM-D-1056-07 2A1

DURAFOAM DK5151 HD

Neoprene/EPDM/Polymeric Blend
ASTM-D-1056-07 2C5

BONDAFLEX B33CS

Sponge Rubber Expansion Joint Filler
ASTM-D-1752-04 TYPE 1,
HH-F-341, TYPE II, CLASS A,
AASHTO M 153, TYPE I FAA
P-610-2.7, CRD-C 509 TYPE I

DURAFOAM DK1111 LD

Neoprene/EPDM/Polymeric Blend
UL Listed – Self Extinguishing
ASTM-D-1056-07 2C1

DURAFOAM XP20

Cross Linked Polyethylene
and EVA Foam
ASTM-D-3575-05

DURAFLEX MR60CS

Solid Rubber Bearing Pads
AASHTO – ASTM-D-2000 –
COMMERCIAL

Just four examples of how Monmouth’s materials (Bondaflex B33CS & Durafoam C121A) helped guarantee the success of the project:

To learn more about Bondaflex/bondaflex/ click here >

Hoover Dam
Bypass Project

Hoover Dam Bypass Project - example of how Monmouth Rubber & Plastic materials (Bondaflex B33CS & Durafoam C121A) helped guarantee the success of the project

McAlpine Lock Project

McAlpine Lock Project - Monmouth’s materials (Bondaflex B33CS & Durafoam C121A) helped guarantee the success of the project.

Red River Water Control
Project

Red River Water Control Project - Monmouth’s materials (Bondaflex B33CS & Durafoam C121A) helped guarantee the success of the project.

Durafoam DK Series Closed Cell Rubber was a savior for church foundation.

St. Patrick’s Cathedral
Restoration Project

St. Patrick's Cathedral Restoration Projectused Durafoak DK Series Closed Cell Rubber - Monmouth Rubber & Plastics, Long Branch NJ 07740 USA

Five Year Restoration Project
Necessary for its Survival

St. Patrick's Cathedral Restoration Projectused Durafoak DK Series Closed Cell Rubber - Monmouth Rubber & Plastics, Long Branch NJ 07740 USA

Q&A Rubber Library

Q&A Rubber Library

The answers are meant to
be brief & informative.

 

Ask John - Free tech support

Monmouth’s global technical
support service.

 

Resource on Rubber - by John Bonforte, Sr., Monmouth Rubber

Physical Properties Technical Data Sheets

80% of your questions
answered here.

 

Rubber & Foam Samples

Rubber & Foam Samples

Closed cell sponge rubber and
plastic foam materials

 

Neoprene explained - Resource Paper by John Bonforte, Sr., Monmouth Rubber

Neoprene
explained

EVA explained

EVA
explained

ASTM D 1056 explained

ASTM D 1056
explained

UL Gasket
Materials explained

The Shelf Life
of Rubber explained

 

 CONTACT US

Intl: +1 732-229-3444 | Toll Free: (800) 375-1960

Email: [email protected]

 

Our Team

Team Monmouth's commitment is to bring ongoing value to our customers. We constantly strive to improve products and services that meet your needs and exceed your expectations. Please select one of our team members below to discuss how we can help you!

JOHN BONFORTE, JR., PRESIDENT

JOHN BONFORTE, JR.

CUSTOMER SUPPORT

EXT. 13

Intl: +1 732-229-3444

Toll Free: (800) 375-1960

mail to: johnjr@monmouthrubber.com

Jenna Stevens

JENNA STEVENS

CUSTOMER SUPPORT

EXT. 13

Intl: +1 732-229-3444

Toll Free: (800) 375-1960

mail to: jenna@monmouthrubber.com

Jenna Stevens

JO ANN BUONOMO

OFFICE MANGER

EXT. 13

Intl: +1 732-229-3444

Toll Free: (800) 375-1960

mail to: joann@monmouthrubber.com

PABLO ROJO

QUALITY MANAGER

EXT. 17

Intl: +1 732-229-3444

Toll Free: (800) 375-1960

pablo@monmouthrubber.com

JOHN BONFORTE, SR.

TECH SUPPORT & GM

EXT. 12

Intl: +1 732-229-3444

Toll Free: (800) 375-1960

mail to: johnsr@monmouthrubber.com

 

 

monmouth-rubber-logo

Monmouth Rubber and Plastics

 

DURAFOAM rubber

DURAFOAM™

Closed Cell Sponge Rubber and Plastic Foam

AIRAFLEX rubber

AIRAFLEX™

Open Cell Sponge Rubber and Plastic Foam

DURAFLEX rubber

DURAFLEX™

Solid Rubber and Plastic Sheeting

BONDAFLEX rubber

BONDAFLEX™

 Recyled Composites of Rubber and Plastic

Cut It. Coat It. Form it.  It will do just about anything you want it to do.

Whether you’re looking for open cell sponge rubber, solid sheeting or closed cell plastic foam, you can count on Monmouth Rubber & Plastics to deliver the materials you want.

rubber in buns form

BUNS

 

 Closed Cell Sponge Rubber & Plastic Foam

 

rubber in sheets form

SHEETS

 

Closed Cell, Open Cell & Solid Rubber

 

rubber in rolls form

ROLLS

 

Closed Cell Sponge Rubber and Plastic

 

foam rubber in tape form

FOAM TAPE

 

Closed Cell Tape, Strip & Pressure Sensitive

 

 

Durafoam, Duraflex and Airaflex are available in some of the following types of rubber.

Click chart image to enlarge full size ⇒

Monmouth Rubber & Plastics - Availability Chart - Durafoam, Duraflex and Airaflex are available in some of the following types of rubbers

 

Durafoam, Duraflex and Airaflexare available in some of the following types of rubbers.

Click chart image to enlarge full size. This chart is best viewed landscape on mobile phones.

Monmouth Rubber & Plastics - Availability Chart - Durafoam, Duraflex and Airaflex are available in the following types of rubbers

 Monmouth Rubber & Plastics Corp, 75 Long Branch Avenue Long Branch, NJ 07740 U.S.A

TRUSTED & COMMITTED

The Bonforte family and Monmouth Rubber & Plastics assures our fabricators, GFR’s, gasket cutters, fabricators and resellers that we don’t compete with them, but offer tech support for them and their OEM customers.

Who We Are, What We Do, What We Will Do For You…

LEARN MORE

Monmouth Rubber & Plastics Corporate Brochure

NEW!  Equivalents to any current or obsolete Rubatex, Ensolite or ANR stock Competitive Stock Number Equivalency Charts:

1. Durafoam™ Stocks Comparable to Rubatex® Stocks - View Chart

2. Durafoam™ Stocks Comparable to Ensolite® Stocks - View Chart

3. Durafoam™ Stocks Comparable to ANR Stocks - View Chart

Now Available! 100% Neoprene - Equal to RUBATEX G231N and G207N

REQUEST SAMPLES Rubber & plastic foam materials Read more>

FREE TECH SUPPORT Global support and Solutions Read more>

TRASH FOR CASH Recycling Program Read more>

"ASK JOHN" - Q&A With John Bonforte, Sr. Read more>

IN THE NEWS Monmouth Rubber & Plastics Read more>

TECHNICAL LITERATURE Articles, Releases & Data Sheets Read more>

CONVERSION TOOLS Variety of different measurements. Read more>

PRICING & SALES SUPPORT Call or write us Read more>

  1. REQUEST SAMPLES Rubber & plastic foam materialsRead more>
  2. FREE TECH SUPPORT Global support and Solutions Read more>
  3. TRASH FOR CASH Recycling Program Read more>
  4. "ASK JOHN" - Q&A With John Bonforte, Sr. Read more>
  5. IN THE NEWS Monmouth Rubber & Plastics Read more>
  6. TECHNICAL LITERATUREArticles, Releases & Data Sheets Read more>
  7. CONVERSION TOOLS Variety of different measurements.Read more>
  8. PRICING & SALES SUPPORTCall or write us Read more>

EXPLAINED

Neoprene explained, what is it?

Neoprene explained,
what is it?

Neoprene was originally used as an oil resistant replacement for natural rubber.

by Monmouth Rubber & Plastics

Neoprene explained, what is it? - Web Page Version

Neoprene explained, what is it? – PDF Download Version

RESOURCE -

EVA explained,
what is it?

Broadly speaking, there are three different types of EVA copolymer.

by Monmouth Rubber & Plastics

EVA explained, what is it? - Web Page Version

EVA explained, what is it? – PDF Download Version

NEW! Understanding ASTM D1056 American Society For Testing Materials D1056 (ASTM D1056) – PDF Download

ASTM D 1056
explained

American Society For Testing Materials D1056 (ASTM D1056)

by Monmouth Rubber & Plastics

ASTM D 1056 explained - Web Page Version

ASTM D 1056 explained – PDF Download Version

UL Gaskets explained

UL Recognized Gasket Materials

Underwriters Laboratories - UL Gaskets are tested using the Standard for Safety of Gaskets and Seals.

by Monmouth Rubber & Plastics

UL Recognized Gasket Materials - Web Page Version

UL Recognized Gasket Materials - PDF Version

The Shelf Life of Rubber

  

The Shelf Life
of Rubber

Shelf life of rubber is a simple question with a complex answer.

by Monmouth Rubber & Plastics

The Shelf Life of Rubber - Web Page Version

The Shelf Life of Rubber – PDF Download Version

Monmouth Rubber Videos - Educational information for OEM’s and Fabricators on the subject of rubber and plastics composite materials.

Monmouth Rubber Videos

Educational information for OEM’s and Fabricators on the subject of rubber and plastics composite materials.

Monmouth Rubber Videos

CLICK

JUST ASK JOHN

FREE TECH SUPPORT

Ask John Bonforte Sr., the Rubber Answerman for all your rubber and plastics questions - Monmouth Rubber & Plastics - www.monmouthrubber.com

John Bonforte Sr.

Free support whether we make your product or not.

JUST ASK JOHN

My Linkedin Profile - John Bonforte Sr.

 

Technical Information - Monmouth Rubber & Plastics Corp, 75 Long Branch Avenue Long Branch, NJ 07740 U.S.A | 1-888-362-6888

Sign Up To Receive Free

 News You Can Use

on Closed Cell Sponge Rubber & Plastic Foam Materials and New Developments. By John Bonforte, Sr.

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50thAnniversary

Our 50 year history in rubber and plastics manufacturing provides vital stability in a constantly changing rubber industry.
Companies know they can rely on Monmouth Rubber & Plastics.

 

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Monmouth Rubber & Plastics | U.S. Manufacturer & Global Provider of Closed Cell Sponge Rubber & Plastic Foam


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MONMOUTH RUBBER & PLASTICS CORP

75 LONG BRANCH AVENUE LONG BRANCH, NJ 07740 U.S.A

CALL 1-888-362-6888

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