MT-620 AM is a series of polyester based powder coatings, formulated without the use of TGIC, designed for the exterior environment, offering the benefits of MT 600 in combination with specific antimicrobial activity. MT-620 AM powders are available in a wide range of colors in gloss, satin, matt, metallic and textured effects and can be custom matched to the user’s requirements.
| Mtundu wamba | |
| Chemical Type | Polyester – TGIC Free |
| kachulukidwe | 1.2 - 1.9 g/cm³, kutengera mtundu ndi zotsatira zake |
| Gusaba Akazi Gashya | Oyenera kutsitsi electrostatic |
| Zosungira moyo | 24 months below 30 °C 12 months below 35 °C |
| Zosunga | Pamalo owuma, ozizira (≤ 30 ° C). (mabokosi otsegula ayenera kutsekedwa) |
| Pulogalamu yowerengera | Kuphika kwa mphindi 30-40 pa 170 ° C Kuphika kwa mphindi 10-20 pa 180 ° C Kuphika kwa mphindi 8-16 pa 200 ° C (pa kutentha kwa chinthu) |
Zotsatira zomwe zasonyezedwa pansipa zimatengera kuyezetsa kwamakina ndi mankhwala omwe (pokhapokha atawonetsedwa mwanjira ina) adachitidwa pansi pamikhalidwe ya labotale ndipo amaperekedwa kuti angowongolera. Zochita zenizeni zimatengera momwe chinthucho chikugwiritsidwira ntchito.
| Pre-chithandizo | Gold Seal lightweight Zinc Phosphate |
| Gawo lapansi | Gold Seal polished 0.5mm steel |
| Pulogalamu yowerengera (Kutentha kwa chinthu) | Mphindi 10 pa 200 ° C |
| Kutayika kwa Mafilimu | 50 ma virus |
| guluu wolimba | ISO 2409 (2mm crosshatch) | gt0 ku |
| Erichsen cupping | ISO 1520 | Mamilimita 7 |
| kusinthasintha | ISO 1519 | Pafupi 5 mm |
| kuuma | Kudutsa - palibe kulowa kwa gawo lapansi | ISO 1518-1 (2000g) |
| Zotsatira | ISO 6272 | > 50 kg·cm direct |
Aluminium, steel or Zintec surfaces to be coated must be clean and free from grease. Iron phosphate and particularly lightweight zinc phosphating of ferrous metals improves corrosion resistance. Aluminium substrates may require a chromate conversion coating. Detailed advice should be sought from the pre-treatment supplier.
MT-620 AM powder coatings can be applied by corona electrostatic equipment. In all application processes the aspect obtained is subject to variation, depending on the method of application (type of gun, nozzle, etc) and the shape/type of component. We recommend that the actual application parameters are adapted and adjusted depending on the type of component and with each powder batch to give a finish in accordance with our color card. The following procedure is given as a guideline when using these finishes. We recommend the use of flat jet spray nozzles. To ensure powder homogeneity, the complete content of the boxes should be emptied completely into the feed hopper. For manual application it is essential to ensure that an even film thickness is applied, and, in all Instances, sinusoidal gun movements should be avoided. All powders can show small color differences from batch to batch, this is normal and unavoidable. Applicators and fabricators are advised to use a single batch for parts that will be assembled together. Differences are more likely with special effect powders. Bonded products have better application properties than blended products (more stable) but attention should still be paid to line settings to avoid “marble effect” and changes in aspect after recycling. Different substrates (Aluminium, steel, galvanized steel, etc.), use of primer, and big changes in film thickness may give a different aspect. Products with different codes should not be mixed even if same color and gloss.
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