scope:

Introduction

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.

Purpose. This specification covers the material requirements for blow moldable plastic fuel tanks. Component testing and full vehicle system validation is required prior to material approval.

Applicability. Fuel tanks used for fuel storage in the recommended temperature limits of 90 °C continuous and 110 °C excursion. The excursion limit is for localized external hot spots which may result from exhaust routing, failed exhaust testing, etc.

Remarks.

Material Description.

Type 1. Coextruded Polyethylene based multilayer tank design for lower permeation.

Type 2. Monolayer Polyethylene based tank for use in developing markets. These tanks shall be fluorinated and documented as described in 3.2.2.1.

Symbols. Marking of plastic fuel tanks shall follow requirements defined in GMW14106.