Handling advice

Personal protection

It is recommended to wear gloves and  protective eye wear when repeatedly handling foam concentrates in order to avoid the risk of irritation. 
If product is sprayed onto the skin, rinsing is sufficient.

Temperature for use

Usually our foam concentrates are designed for use at temperatures between -10°C et +50°C
The minimum and maximum temperatures for each foam concentrate are indicated on the product technical sheets and on the product labels. 

Foam concentrate shelf life

BIOex foam concentrates are fire fighting products that have excellent stability over time.

The warranty period is 10 years for synthetic foam concentrates, 5 years for protein foam concentrates and 2 years for specific products (training foam concentrates, vapour suppressing agents, anti-foaming agents, etc.). 
The foam concentrates are guaranteed when stored in their original packaging or in recommended storage tanks.

The warranty period starts on the date the batch in question is produced.

Storage conditions


Our BIOex foam concentrates have excellent stability when stored under normal conditions: 
closed packaging, temperature between -30°C to +60°C (See indications on each product's technical sheet).

Storage premises

The flooring of the warehouse in which the foam concentrates are stored must be watertight and must have a retention basin.
in case of leaks. Furthermore, the foam concentrates must be stored away from strong heat and direct sunlight
Our drums, barrels and containers have UV protection.

Storage packaging 

Our original packaging is opaque to protect our products from UVs, thus making it possible to reduce the risk of accelerated ageing to a minimum. The foam concentrates must be stored in a closed and topped up tank, to eliminate the risk of evaporation and protect the product from any contamination.

When filling a tank it is important to make sure it is perfectly emptyclean and dry in order to avoid any accidental contamination of the foam concentrate.

BIOex foam concentrates can be stored in the shipping containers without any alteration to their original physical or chemical properties.

To avoid corrosion, foam concentrates can be stored in:

  • 316 L or 304 L grade stainless steel tanks, in PE or PP tanks or in bladder tanks (bladder tank type).
  • Steel tanks composed of a polyurethane or epoxy coating.

It is recommended to limit atmospheric exchanges in the tank to prevent the product from drying. 
A basic vent, created using an inverted goose neck in the upper part of the tank sufficiently limits the ventilation of the stored foam concentrate to prevent it from drying out, and the recipient just has to be de-pressurised to admit the foam concentrate when in use.

We recommend the use of a 304 L or 316 L grade stainless steel dipping hose, or a pressure PVC hose with a bevel cut at its base to avoid it from blocking. Where applicable verify the check valves are in working order.

Foam concentrate storage temperatures

Our foam concentrates have a very good thermal resistance.

Usually our foam concentrates are designed to withstand storage at temperatures of between -30°C and +60°C. Freezing and thawing do not have a negative effect on product performances.

The minimum and maximum storage temperatures are indicated on the technical data sheet.

Foam concentrates can be stored at a temperature below their freezing point while maintaining their physical and chemical properties and their performances when thawed. Our products have been subjected to several cycles of freezing/thawing during tests.

Foam concentrate quality

Beyond the warranty period, we recommend an annual inspection of the foam concentrates you have in stock to check their performances and physical and chemical properties.

It is strongly recommended to have your pre-mixes analysed every year to make sure they are stable.

Our Quality Control laboratory proposes its BIO-LAB analysis service to check your foam concentrates using the parameters described by standard EN-1568. We propose a service to analyse the foam concentrates delivered by BIOex or its distributors during the warranty period. 

Foam compatibility

The foam obtained from BIOex foam concentrates is compatible with all other commercialised brands of foam, whatever the foam concentrate used to generate the foam.

The majority of BIOex generated foam is perfectly compatible with dry extinguishing powders. It is therefore suitable for mixed powder-foam use. 

Foam concentrate miscibility

Foam concentrates are miscible together under 2 conditions:

  • They must have the same type, usage concentration and the same types of application.
  • They must be in a good state of conservation.

In all cases it is strongly recommended to have a laboratory study made to validate the correct miscibility of the products.

Under certain conditions BIOex offers this service free of charge.

In the event of an accidental spillage of foam concentrate


It is recommended to pump the product into unbreakable and correctly labelled containers in order to avoid any environmental contamination.


To clean the zone, the soiled surfaces must be abundantly rinsed with water

To facilitate cleaning, BIOex proposes an anti-foaming agent that significantly reduces the foaming property of the spillage.


It is recommended to have foam concentrates incinerated in approved installations.

Product disposal advice


The release of large quantities of the products into the environment is prohibited. 

Destruction / Elimination 

In the event of drainage into the sewers, the flow must be controlled to avoid excessive amounts of foam from forming. When released in small quantities, BIOex products do not disrupt the operation of sewage treatment stations.

Large quantities must be treated as chemical residue in compliance with applicable national legislation. 
It is recommended to have foam concentrates incinerated in approved installations.