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You are here: Home » News » Solutions » How to powder coat LPG cylinders?

How to powder coat LPG cylinders?

Views:15     Author:Site Editor     Publish Time: 2019-11-11      Origin:Site

As a common resource, the usage of LPG (liquefied petroleum gas) has increased greatly in recent years. The demand for LPG cylinder is also increasing with the extensive use of LPG. In the process of manufacturing LPG cylinders, final surface finishing is also very important except selecting high-quality materials. Qualified surface treatment is very wear-resistant, corrosion-resistant, it can also prolong LPG cylinders’ service life effectively. Then, how to make the perfect surface treatment of LPG cylinders? Powder coating is a ideal solution. The film cured on the surface of LPG cylinders after powder coating is very strong, and this treatment is more environmentally friendly than ordinary painting. Powder color can also be selected to meet the requirements of the appearance.


What is powder coating?LPG-tank-powder-coating-line-view-1-280x260


Powder coating is a process of coating metal with powder form and baked to a fluid state to bond it to the metal surface. This process can create a harder finish that is tougher than conventional paint. It is mainly used for coating metals, such as appliances, automotive parts, and other hardware. Since it is not a liquid product, it requires no solvent to keep the binder and filler components in a liquid suspension form. It's very friendly to environment, easy to use, cost effective, and tough. 


How to powder coat LPG cylinders?


COLO supply full system for LPG cylinders pretreatment to powder coating, including pretreatment process, powder coating gun, powder spray booth and curing oven, ranges from small scale to batch production.


1. Pretreatment Process

In the pretreatment process, metal surfaces are cleaned to prepare for powder coating application. For LPG tank, we recommend dipping pretreatment, workpieces is immersed into the tank, LPG cylinders’ surfaces react with the liquid, grease, scale, dust on the surfaces are removed, which provides excellent high adhesive surface for subsequent powder coating.


2. Automatic Powder Coating System

COLO-2200D PLC Controlled Powder Coating Reciprocator with COLO-191S Automatic Powder Coating Gun ensures great powder coating effect, achieves continuous and uniform powder coating, provides more precise and smooth movement. Reciprocating powder coating move to a new level of efficiency and quality. All automatic powder spray gun controllers are combined by a central control cabinet to easily set all processing parameters. Custom quantity of auto guns based on actual products and application.


3. Powder Coating Booth

COLO designed powder coating booth with rotatable hanger and top track is specially suitable for LPG cylinder powder coating. This powder coating spray booth is able to increase working efficiency and production quality. 


4. Powder Coating Curing Oven

Powder coating oven is an enclosed space built with 100mm thick rock wool board to prevent temperature dropping. Temperature reaches to 180 ° C in 15-20 minutes, heating rapidly. Circulation fan motor makes uniform heat distribution to ensure consistent powder coating effect of LPG cylinders.


Customer Case of LPG Cylinders Powder Coating Plant

We supply powder coating booth specially for LPG cylinders, and the whole automatic powder coating system. 


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