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Product: 4373M-12PT-54

Product Description:
On the Liner Side 4373M uses an 1.5 mil acrylic adhesive that exhibits outstanding shear and heat resistance properties in addition to forming excellent bonds to a wide variety of substrates. On the Exposed 4373M uses an 1.5 mil acrylic adhesive that exhibits excellent bonds to most polyether and polyester urethane foams.

Product Use:
Forms excellent bonds to a wide variety of ether, ester and low perm urethane foams. Additional utility is found when bonding to closed-cell sponges. The product's polyester carrier provides dimensional stability die cutting operations.
GENERAL USE: 4373 is used in the seal and gasket market and for foams and other materials in the sound attenuation and automotive market. It's elevated temperature resistance makes it ideal for automotive under-hood applications or other high heat environments. Tested and approved to Delphi Automotive SD2-324 for High Temperature Permanent Bonds to 250 deg. F. 4373 is also qualified under several automotive specifications (refer to the Supplemental Product Information Bulletin).

Adhesive Family
4370 Ultra High Perfomance Foam Bonding Tape System
Release Liner
12pt Natural Polycoated Kraft
1/2 mil Clear Polyester Film
Tape Construction
Double Coated PET Film Tape
Adhesive Liner Side
Adhesive Thickness - Liner Side (Mils)
Adhesive Exposed Side
Adhesive Thickness - Exposed Side (Mils)
Peel Exposed Side
150 Oz/Inch

Note: Typical Values per PSTC #101 Method C, Backed with 2 Mil Aluminum Foil. 24 Hour Dwell.
Peel Liner Side
160 Oz/Inch

Note: Typical Values per PSTC #101 Method C, Backed with 2 Mil Aluminum Foil. 24 Hour Dwell.
Shear Exposed Side
7 days

Note: Typical Values per PSTC #107 Procedure A Modified, 1000 grams/Sq.Inch @ 72oF. No Dwell.
Shear Liner Side
7 days

Note: Typical Values per PSTC #107 Procedure A Modified, 1000 grams/Sq.Inch @ 72oF. No Dwell.
Service Temperature
-40 °F to 250 °F

Note: Data is based on limited testing and under no load.
Roll Weight
0.66 lbs/sq yards

Note: Theoretical number only. The actual roll weight may vary.
Tape Thickness (without release liner)
3.5 mils

Note: Theoretical number only. Does not include Release Liner. The actual Tape thickness may vary.
Related Products
SDS Note: If the specific product is not listed in the appendix of the provided "Article Exemption Letter", please contact your sales/account representative for a SDS.

Bonding Study Results

Manufacturer Material DescriptionBonding ResultNotes/Comments
1.5 lb. Density Polyether Urethane (TS 1855) Excellent (Foam Tear)
Aearo Aearo EAR SuperSheet® H Foam (TS 3148) Excellent (Foam Tear)
American Biltrit American Biltrit Transit Coating Film (TS 3213) Fair
Armacell Armacell ECF-400 (TS 3207) Good
BASF BASF Ultradur® S4090G6 Plastic (TS 2722) Very Good
Clark Foam Clark Foam Anti Static (TS 1724) Excellent (Foam Tear)
Clark Foam Clark Foam Ester Sponge (TS 1724) Very Good
Composite Cork (TS 3275) Good
Flexible Cler Vinyl (TS 2033) Fair
Foamex Foamex Polyether Urethane (TS 1798) Excellent (Foam Tear)
General Foam Corp General Foam Corp Low Perm (TS 1692) Excellent (Foam Tear)
Melamine Foam (TS 1757) Excellent (Foam Tear)
NBR/PVC Foam (TS 1744) Very Good
Neoprene Foam (TS 1964) Excellent (Foam Tear)
Powder Coated Metal (TS 2961) Fair
PVC Foam (TS 1977) Fair
Rogers Corporation Rogers Corporation MSRVS (TS 3257) Excellent (Foam Tear)
White Nitrile rubber (TS 1740) Fair
Woven Polyester (TS 2967) Good

Tested Industry Specifications
Specification Type Specification Description Notes
Chrysler Chrysler MS-AY326-C2
Chrysler Chrylser MS-CC211 (Replaced by PF-10770)
Delphi Delphi Automotive SD2-324 4.3.4 High Temperature
Ford Ford ESA-M11P19-A
Ford Ford ESB-M3G76-B2
Ford Ford ESH-M11P19-B
General Motors General Motors GM3622M (11/93) Type IV Cycle E
General Motors Modified General Motors 9078; Paragraph 3.1
IBM IBM 898898
Toyota Toyota Engineering standard TSK5702G
Materials Exposed Side
Materials Liner Side
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Disclaimer: The above information has been provided as a general guidance to assist in preliminary identification of potential products and adhesive systems. Data presented are typical properties taken from a limited number of laboratory tests and should not be used for specification purposes. All products are sold with the understanding that purchasers will be solely responsible for determining the suitability of the materials for any purpose. Berry Global makes no warranties, either express or implied including any implied warranties of merchantability or fitness for use regarding the product information herein.

Berry Global continues to seek ways to assist you in your adhesive selections for a wide variety of materials available on the market. If we can assist you with any further testing or screening to help you select the best Adchem adhesive system or Product for your application please do not hesitate to contact our Technical Service Department or your Sales Representative.