Polyamide wins CARB certification for small fuel tanks

05/29/2012

A blowmoldable, polyamide 6 has been awarded a CARB (California Air Resources) Executive Order (EO) for use in small-engine fuel tanks. The EO will allow manufacturers and users of small-engine fuel tanks to avoid the lengthy and expensive testing process needed to confirm adherence to the stringent requirements for all off-road equipment sold in the state of California.

Akulon Fuel Lock FL40-HP from DSM Engineering Plastics (Geleen, The Netherlands) is used as mono-material in fuel tanks The EO stipulates that tanks blow molded from the resin with a minimum wall thickness of 1.2 mm (0.047 inch) need not be tested to the CARB test standard TP-901. Akulon Fuel Lock FL40-HP yields permeation rates that are less than 5% of the maximum value of 2.0 g/m2/day allowed by CARB under their test rules.
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