ILAFLON Select SP-300

ILAG basic test - Every non-stick coating must be tested for suitability for food contact by an independent institute after application. A declaration of no objection or a certificate of suitability is mandatory.

Procedure: There are various food contact standards that differ from country to country. The most commonly used and widely accepted are the following standards:

EEC       – Regulation (EC) No. 1935/2004
USA       – FDA CFR Title 21 Food and Drugs
DE         – LFBG und BfR Standards

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ILAG basic test - This basic test is carried out to detect cracks or open pores in the coating.

Procedure: The coating is viewed through a microscope at 30x magnification and examined for cracks.

Assessment: The coating is visually inspected and assessed for cracks and/or pores.

Conclusion: The integrity or impermeability of the coating prevents the cooked food from penetrating the substrate and thus prevents infiltration of the test object.

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ILAG basic test - This test is used to determine the coating thickness of the coating

Procedure: Each system has its own specification defined by the coating manufacturer. Manufacturers of cookware must meet the specifications for the dry film thickness (DFT!). Sometimes it is difficult to measure the DFT directly on the substrate during production, e.g. with cast aluminum, chrome steel and hard substrates. In such cases, the measurement must be carried out on a smooth aluminum sheet in order to obtain a value that is as close to reality as possible.

Assessment: The dry film thickness (DFT) is tested using electronic measurements at various points on the object or sheet.

Conclusion: As a rule of thumb, the higher the DFT, the more durable the coating.

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ILAG basic test (based on DIN EN ISO 2409) - This test is a simple way of testing the adhesion of a coating to the substrate.

Procedure: The procedure requires a cross pattern of 100 squares to be carved into the surface. This is done by making 11 parallel cuts approximately 5 cm long and 1-2 mm apart. These 11 cuts are then repeated across the existing lines. The cuts must penetrate the coating down to the substrate. A standardized adhesive tape (adhesive strength of 10 N/cm2) is then pressed onto the entire grid cut and then torn off again with a quick movement. This process must be repeated 5 times in succession - each time with a new adhesive tape.

Assessment: No square may be detached. To tighten the test, the test specimen can then be boiled in water for 15 minutes and the adhesive tear-off repeated.

Conclusion: If the coating does not peel off when the adhesive tape is torn off, the coating thickness has been applied sufficiently and the curing temperature has been regulated correctly.

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ILAG test AA-068 (according to BS 7069:1988) - The test simulates the cleaning and scrubbing movements

Procedure: A predefined scouring pad (3M Scotch-Brite) is moved back and forth horizontally on the coating by machine under a certain load and with the addition of water and detergent. After a total of 200 individual strokes, with each pad side being changed once, a new scouring pad is clamped in. The process is repeated until 10% of the substrate is visible.

Assessment: The number of strokes is taken as an absolute value.

Conclusion: The longer the coating resists abrasion, the longer the life expectancy.

Do you have any further questions about our test methods? We will be happy to answer them.