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The Filtr Library
Additive · Filtr file

E520

Aluminium Sulphate

Aluminium firming agent; intake limited over aluminium exposure.

MODERATEPenalty−3 ptsFSANZPERMITTEDBanned in—
FILE · E520
ModerateFiltr penalty−3 pts
ISSUED · 06.2026
01 / 04What it is

E520 in plain English

Aluminium firming agent; intake limited over aluminium exposure.

02 / 04Why it's used

It's a firming agent.

To keep canned fruit, vegetables and tofu structurally intact through heat-processing and storage.

firming agent
03 / 04Health concerns

Mixed evidence — worth knowing.

Mixed evidence — some regulators restrict, others permit.

04 / 04Regulatory status

How the world's regulators rule

Australia · FSANZ
Permitted
Banned jurisdictions
None recorded
Filtr risk tier
Moderate
Filtr score penalty
−3 points
Category
Firming agent