Polyester Powder Coating Steel
Galvanized steel versus powder coatings for outdoor environments thursday april 13 2017 chipping fading and corrosion are common concerns when deliberating over the use of galvanized steel coating or powder coating for outdoor furnishings such as handrails and guardrails bike racks playground equipment and park benches.
Polyester powder coating steel. Phalle md abu dhabi uae. Galvanized steel requires multi stage pretreatment with either zinc phosphate or chromate conversion. As the most routinely used powder coating polyesters provide excellent value for the money. We do however also use glass beads to get an anti glare effect on the stainless steel.
It does have a low cure temperature. An even layer of polyester powder coating is applied to the recently galvanized steel and cured in a stove at 180 c. Steel products can be given a high grade architectural finish by using a polyester powder coating over hot dip galvanized steel. For blasting we can use either corundum or glass beads.
Powder coating is a type of coating that is applied as a free flowing dry powder unlike conventional liquid paint which is delivered via an evaporating solvent powder coating is typically applied electrostatically and then cured under heat or with ultraviolet light. Both provide great impact resistance and flexibility good mechanical resistance and good chemical resistance. Whether you re new to powder coatings or an experienced pro you re probably well aware that powder coating is a fantastic painting method that creates a tough durable and beautiful finish. Powder coatings must be applied within 12 hours of the galvanizing process.
To the most commonly used polyester powder forms are. The powder may be a thermoplastic or a thermoset polymer. This usually includes a form of chemical pre treatment such as chromating or phosphating gentle heat treatment followed by application of the powder. The second step in producing powder coated galvanized steel is the application of the powder coat to the galvanized part.
A superb material for powder coating. This coating is considered as one of the most long lasting protective coatings for steel. Depending on the type of galvanizing degassing or use of anti bubbling additives may be required. Normally we apply polyester powder coating for stainless steel as corrosion is not a danger.
Thermaset limited polyester matt powder coatings range is suitable for use on items covered by restriction of the use of. A powder coated product made from stainless steel will give a thorough. What are powder coatings. The stainless steel was brushed finish we etched the surface with antox the powder coating was successful.
No matter whether you re using a single gun and small oven or a large fully automated line the process is basically the same.