Can I load a chemical anchor straight away?

No – wait for the full cure time for the base temperature in the product table. Mechanical anchors are the choice where load is needed immediately.

Chemical anchors – injection mortars

What it is

A chemical (bonded) anchor is a steel rod set in a drilled hole filled with a two-part resin mortar. The mortar bonds to the rod and to the concrete along the full embedment, so the load is spread along the hole instead of being pushed into the concrete by an expanding sleeve.

How anchors carry load — Bond along the full embedment – no expansion force.

Mortar types

Chemical anchor mortars compared — Indicative characteristics by chemistry.

Chemistries
Chemistry	Strengths	Watch
Epoxy	Highest bond and creep resistance, long working time, rebar and seismic approvals	Slow cure in cold weather
Vinylester	Fast cure, wide temperature range, styrene-free versions	Shorter working time
Hybrid	Fast cure with high loads; base plates and rebar	Product-specific approvals
Polyester	Economical, light to medium loads, masonry	Not for cracked concrete or structural use

Installation

Installing a chemical anchor — Six steps.

Hole cleaning is the step that decides the capacity: dust left in the hole acts as a release layer. Follow the manufacturer's installation instructions for the approved product – drill type, cleaning tools, gel and cure times for the base temperature.

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