Hobson document
XChem Pro Chemical Anchoring FAQ and Easy Guide: Epoxy, Hybrid, Vinylester, Polyester
A 17-page Hobson easy guide and FAQ on chemical anchoring and the XChem Pro range: Epoxy E701, Hybrid H501, Vinylester V401 and Polyester P201. It answers common questions, then gives each product's uses, gel and cure times and installation.
What this covers
- How chemical anchors work
- Nozzles
- ETA options
- Seismic C1 and C2
- Choosing a chemical
- Product guides
Key things to remember
The essentials from this document in plain words. Check the full document before you rely on a figure.
- Chemical anchoring bonds the anchor to the concrete with adhesive; mechanical anchoring relies on a mechanical interlock.
- Always use the supplied nozzle: it mixes the two components properly, which is needed to reach the load capacities and the gel and cure times in the ETA.
- ETA Option 1 covers cracked and non-cracked concrete and involves the most testing; Option 7 is for non-cracked concrete only.
- Seismic C1 is for non-structural components, tested with a 0.5mm crack width; C2 is for structural components, tested with a 0.8mm crack width.
- Epoxy E701 is not recommended in hollow masonry because it can drain out of the sleeve, so it has no masonry ETA; Hybrid H501, Vinylester V401 and Polyester P201 do. Hybrid H501 is a blend of vinylester and urethane.
- Core-drilled holes need a slow curing epoxy; fast curing products are unsuitable there.
- Design life is 50 to 100 years depending on the product and its ETA.
Who it helps: Builders, engineers and staff choosing a chemical anchor for concrete or masonry.
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This document is published by Hobson Engineering, who supply this range to us. We show it here in full so you can read it next to the product; the summary above is ours. Read it on this page or download the PDF. For the most current version, ask us.