CO₂ absorbents
High-performance CO₂ absorbents with international certification
Atrasorb® meets the highest standards of quality, safety, performance and technology to supply the global market for breathable gas treatment. The first Brazilian company in the segment, since 1989.
One absorbent for every critical environment
We serve the medical, military, diving and industrial markets with dedicated lines — Pharma, Defense, Dive and Industrial — developed for each operating condition.
Medical
Atrasorb manufactures CO₂ absorbents used in the medical field for procedures that require inhalation anesthesia.
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Military
To serve a cutting-edge market that demands the highest quality from its suppliers, Atrasorb develops products specifically for this segment.
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Diving
Developed exclusively for this field: we serve rebreathers, hyperbaric chambers and saturation diving.
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Industrial
Atrasorb understands that industrial CO₂ absorption needs are extremely broad — and develops made-to-measure products.
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In-house formulation
We tailor the granulometry and moisture content of the soda lime to each customer's equipment and application.
Batch-by-batch control
Every batch is tested for absorption capacity, hardness and moisture content before release.
Certified production
Quality management system certified to ISO 13485. Products with CE marking and FDA registration, as applicable.
Custom packaging
Pails, bags and pre-packed cartridges sized for each customer's volume and logistics.
How does a CO₂ absorbent work?
The absorbents are calcium hydroxide based mixtures, with additives adjusted for each segment, that react chemically with the carbon dioxide in exhaled gas and remove it from the breathing circuit. That is what allows gas to be reused in closed systems — from anesthesia machines to rebreathers and submarines.
The colour-change indicator shifts as the material saturates, allowing replacement at exactly the right moment, with no waste and no risk of CO₂ rebreathing.
- Absorption
- High CO₂ absorption level, which means greater yield.
- Low dust
- Negligible dust release across all Atrasorb lines.
- Pellets
- Semi-spherical shape that prevents channeling inside the canister.
- Moisture
- 16% to 18% in the Pharma line, benefiting the inhaled air.
Need a CO₂ absorbent for your application?
Our technical team helps you define granulometry, packaging and supply volume according to your equipment.
Request a quote