GMNA 9986183
Low MDI Urethane Acoustic Foam, Mixture
standard by General Motors North America , 08/01/2019
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About This Item
Full Description
This specification describes the requirements of a rigid polyurethane foam. The material is used as an acoustic baffle in enclosed areas such as A, B, and C pillars and engine compartment structures. It must be capable of bonding to e-coated metal, be non-wicking and be compatible with all manufacturing processes.
Note: Nothing in this standard supercedes applicable laws and regulations.
Note: In the event of conflict between the English and domestic language, the English language shall take precedence.
Material Description.
This material is a two-component material comprised of a polymeric Methylene Diphenyl Diisocyante (MDI) prepolymer and a water/amine curative.
Material Identification.
The acoustical foam system is comprised of a 24:1 mixture (by volume) of a polymeric MDI prepolymer, 9986185, and a water/amine curative, 9986184. The mixture of 9986184 and 9986185 is identified as 9986183.
Symbols.
Not applicable.
Applicability.
Not applicable.
Remarks.
Not applicable.
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