{"id":2743,"date":"2026-07-16T12:53:43","date_gmt":"2026-07-16T10:53:43","guid":{"rendered":"https:\/\/protecflam.preprod-kalelia.fr\/produit\/hydroflam-fl21-50\/"},"modified":"2026-09-22T11:12:27","modified_gmt":"2026-09-22T09:12:27","slug":"hydroflam-fl21-50","status":"publish","type":"product","link":"https:\/\/protecflam.com\/en\/produit\/hydroflam-fl21-50\/","title":{"rendered":"HydroFlam\u00ae FL21\/50"},"content":{"rendered":"\r\n

Hydroflam\u00ae FL21\/50 is available in liquid form (without VOCs or formaldehyde), odourless and colourless. It is ready to use. It can be coloured (powder dye or liquid acrylic) to achieve an aesthetic effect or traceability. The fireproof material, once dry, can be stained, painted or varnished, but only with non-downgrading<\/b> products.<\/p>\r\n

Prevents the spread of flames and fire and reduces the development of smoke.<\/p>\r\n

Must be used in dry, enclosed indoor spaces.<\/p>\r\n

Implementation and preparation of the substrate<\/b><\/p>\r\n

The substrate must be dry, free of dust, oil, wax, grease, dirt, resin, etc.<\/p>\r\n

Hydroflam\u00ae FL21\/50 is applied by dipping (total immersion in the flame retardant) on a dry, porous substrate.<\/p>\r\n

It is advisable to let it dry between 12 and 72 hours depending on the temperature and humidity, in a natural or accelerated way. A slight shrinkage of the fiber may occur.<\/p>\r\n

Indicative returns<\/b><\/p>\r\n

The consumption of Hydroflam\u00ae FL21\/50 should be 40% of the mass of the support.<\/p>\r\n

E.g.: to fire retardant 200 g of cork, 80 g of Hydroflam\u00ae FL21\/50 will be required. The mass of wet cork before drying must be 280 g.<\/p>\r\n

For optimal drying, we recommend accelerated drying at 40\u00b0C between 10 and 15 hours.<\/p>\r\n

Cleaning of the equipment with hot water.<\/p>\r\n

Frost protection is essential<\/b><\/p>\r\n","protected":false},"excerpt":{"rendered":"

Hydroflam\u00ae FL21\/50 is a flame retardant that delays ignition and limits the spread of flames on cork panels.<\/p>\n

On cork support: Classified M1 with durability not limited a priori according to the NF P92-512 standard. FCBA report n\u00b0 CM-21-B-034<\/p>\n

We also offer to fireproof your supports in our workshops<\/a>, do not hesitate to contact us<\/a> for any request or quote.<\/p>\n

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