AMS3278B Sealing and Coating Compound, Polyurethane (PUR) Fuel Resistant High Tensile Strength / Elongation For Integral Fuel Tanks / Fuel Cavities / General Purpose
Revised
10/24/2016
- Features
- Issuing Committee
- Content
- This specification covers polyurethane (PUR) in the form of two-component sealing compounds.
- Content
- AMS3278B results from a Five Year Review and update of the Types of this specification. Revised Classification Types to distinguish non-corrosion inhibiting from corrosion inhibiting materials. Eliminated Class B-1/4 solvent free sealing compound and all related requirements. Removed Air Content requirement. Increased 14 day hardness to 50 Shore A. Removed Class B for Shear Strength Table 1. Revised Viscosity of Base requirement for Class A and Class B. Lowered the maximum viscosity for Class A Application Time.
- Pages
- 11
- Citation
- SAE International Material Specification, Sealing and Coating Compound, Polyurethane (PUR) Fuel Resistant High Tensile Strength / Elongation For Integral Fuel Tanks / Fuel Cavities / General Purpose, SAE Standard AMS3278B, Revised October 2016, Issued July 2004, https://doi.org/10.4271/AMS3278B.