A chasing-arrows triangle around the numeral 2, identifying HDPE.
The numeral 2 identifies high-density polyethylene — milk bottles, detergent containers, pipe. With PET it is one of the two codes most widely collected in practice.
Identifies high-density polyethylene under the ASTM D7611 resin identification coding system.
Contexts: Packaging
Codes 1 and 2 are the ones most widely accepted by domestic collection schemes; the remainder are frequently not collected at all.
Contexts: Packaging
Three arrows chasing one another around a triangular path, enclosing the numeral two at the centre.
Both are built from triangles, arrows and number like forms, and both are used in packaging contexts.