Bold Safety Signs
Warning Acid Sign
Warning Acid Sign
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Complete Your Safety Setup
Signs that are often installed together. We match your selected size, material and finish where available.
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Warning Beware of Opening Door Sign From $16.50 -
Warning Biological Hazard Sign From $16.50 -
Warning Cleaning In Progress Sign From $16.50 -
The Warning Acid Sign from Bold Safety Signs identifies where acids are stored or used so people take care and wear suitable protection.
Ideal for: battery rooms, laboratories, plating shops, pool plant rooms and chemical stores.
About this sign
Warning signs alert people to hazards that are not likely to be life-threatening but still need attention. Black wording and symbols on a bright yellow background stand out indoors and out.
Choose your material
- Colorbond – rigid pre-painted steel. Our toughest option for permanent outdoor installation on fences, gates and walls.
- Corflute – lightweight fluted polypropylene. Weatherproof and economical, ideal for temporary sites and short-term projects.
- PVC Foam Board – smooth, rigid and lightweight. A clean finish for indoor walls, doors and sheltered outdoor areas.
Choose your finish
- Non-Reflective – standard printed finish for well-lit areas.
- Reflective – reflective sheeting that stays visible in headlights and low light, ideal for car parks, roadsides and night works.
Available sizes
- 300 × 450 mm
- 450 × 600 mm
Complete your safety setup
- Warning Beware of Opening Door Sign
- Warning Biological Hazard Sign
- Warning Cleaning In Progress Sign
- Warning Battery Charging Station – No Smoking Sign
Browse our full range of warning signs. Can't find the exact wording you need? Design a custom safety sign. Free standard shipping Australia-wide on orders of $149 or more – see our shipping policy.
