---

title: Zentek (Guelph) description: “TSX-V ZEN. Graphene-enhanced media (ZenGUARD), not a 4,000 t powder mill.” tags:

• manufacturing

---

Evidence: company contact page. Filtration SKU ≠ graphene tonnes.

Parent: directory

Sites

Zentek Ltd. Contact: 1123 York Rd, Guelph, Ontario N1E 6Z1. Company text: ZenGUARD production facility in Guelph. Other directories list Thunder Bay (1205 Amber Dr) and further Guelph civic addresses — confirm ship-from on an order.

What it is

ISO 13485 IP shop in their wording: filtration (ZenGUARD on masks/HVAC), biosciences, critical minerals, aptamers. Graphene is an ingredient in a media, not the product name on a tote. Do not file as a powder champion.