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GM3628M

3rd Edition, September 2015

Complete Document

Hot Melt Sealer, Closed-Cell Foam-In-Place Thermoplastic

Includes all amendments and changes through Inactive for New Design Notice 4, September 2015


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Product Details
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Detail Summary

Superseded By: GMW17356

EN
Additional Comments:
ENGLISH * INACTIVE FOR NEW DESIGN * USE GMW17356
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Referenced Items:

SAE J1351
SAE J1960

Product Details:

  • Revision: 3rd Edition, September 2015
  • Published Date: September 2015
  • Status: Superseded By:
  • Superseded By: GMW17356
  • Document Language: English
  • Published By: General Motors Company (GMNA)
  • Page Count: 4
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:

This specification covers the requirements for a closed cell foam-in-place thermoplastic material to be used as a seal against air. dust. and water.

The material may also be used for certain applications as a silencer or flexible material for covering gaps, openings and other non-scaling type applications. Parts that are intended to function other than at undisturbed gstkett must function under the appropriate environments.

The material must not stain, attack. or have any other objectionab:e effect or. adjacent surfaces.

This material is foamed through the introduction of an inert gas, such as nitrogen or carbon dioxide to a specific density reduction. The material is allowed to cool with the gas bubbles intact and a closed cell foam product is formed. Density reduction denotes the percentage of inert gas content.

For Heating. Ventilatiuu, and Air-oanditienizis (HVAC) applications, this specification should be used in conjunction with the Chemical Specification that pertains to the subject material (CS6940-57).

Materials covered by this specification shall be classified as follows:

Type I .............Thermoplastic Rubber Based Material

Type 11 ............Thermoplastic Urethane Based Material

Materials shall be given a grade designation based on the material surface characteristics after application. Urade A, Tacky; Grade R. Non-tacky

Example of Drawing Ca'lout.

Material: 9985724, Type I.

Performance: GM3623M. Type 1. Grade B. Service-ability required. Compression Load Deflection = 30 kPa+ 10%