Municipal mixed waste / Loose fill/Aggregate

Smart Gravel

Artificial lightweight gravel made from non-recyclable mixed plastics, processed at up to 1 tonne per hour. Stated as 3× lighter than mineral gravel and a 10× better insulator, described as inert with per-batch in-house testing. For drainage, lightweight aggregate, hydroponic media and precast lightweight concrete. Produced in Santa Ana, California.

Smart Gravel representative image

Adds an aggregate form to the municipal-mixed axis (UBQ, ByFusion). A clear outlet for landfill-bound mixed plastics, aimed where mineral gravel is too heavy —…

Good for

  • Aggregate fills where weight matters — roof landscaping, planters, drainage layers
  • Hydroponic media and lightweight aggregate for precast concrete

Consider

  • Inertness and performance figures are manufacturer-stated with in-house testing; no third-party reports reviewed.
  • Stale site copy ("licensing by end of 2022") means current production/sales scale needs re-checking; Korean availability unconfirmed.
Manufacturer
Arqlite
Availability
Korea route unconfirmed
Checked
2026-09-03