Chassis "Polymer Dipped"?

PostPost by: vincereynard » Tue Jun 09, 2015 6:07 pm

Chassis "Polymer Dipped"?

Anyone know what this is supposed to mean? Apparently it was fitted by CN at a time when they had no galvanised chassis 's in stock.

Plastic powder coat?

Vince
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PostPost by: Rob P » Tue Jun 09, 2015 6:23 pm

From google search

Dip Coating Process
1.Parts to be coated should be cleaned to remove contaminants . This results in superior primer adhesion as well as improved corrosion resistance.
2.If adhesion to the part is desired, application of a primer is required on all sections were polymer coating will be applied. The primed part is flash dried and baked to set the primer and ready the part for the hot dipping operation.
3.The primed part, hot from the primer conversion bake, is immersed in the liquid material. All hot parts of the product immersed in the liquid polymer will coat upon withdrawal from the bath with a layer of semi-fused polymers. The amount deposited will depend on the length of time the part was immersed, the metal temperature that the part was immersed at, and the general formulation of the compound used. The higher the metal temperature and the longer the immersion time, the greater the polymer thickness.
4.The part covered with the semi-fused polymer is baked to a temperature dependent upon the specific compound formula. This completes the fusion of the coating, and adhesion to the product.
5.When the hot part coated with fused polymer comes out of the oven, it is very sensitive to surface marring. The part is cooled down before handling.
6.The finished coated product is then removed from the conveyors, inspected and readied for packing and shipment.

The Many Advantages of Dip Coating

Dip coatings provide safe, durable and beautiful finishes. This process deposits a coat of your choice of material from natural latex, synthetic latex, or neoprene, or PVC/Plastisol adding a protective layer which enhances the handling, safety, and appearance of your product.
1.Dip coating provides a protective shield that resists corrosion.
2.Insulates against heat, cold, stress and electrical currents.
3.Adaptable to high volume orders requiring fast delivery.
4.Durable and UV resistant.
5.Alternative colors and finishes (glossy and matt) can be created easily and economically.
6.A wide range of thickness, textures, and durometers (hardness) are available.
7.Dip Coating is sound damping and eliminates the need to debur base materials
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PostPost by: Galwaylotus » Wed Jun 10, 2015 9:30 pm

vincereynard wrote:Chassis "Polymer Dipped"?

Anyone know what this is supposed to mean? Apparently it was fitted by CN at a time when they had no galvanised chassis 's in stock.

Plastic powder coat?

Vince

Powder coating is a dry process where the part is charged and powder is sprayed onto it, adhering through static charge. The coated part then passes through an oven where the powder is cured, i.e. the powder fuses providing a tough durable coating. A disadvantage is that it may not evenly coat all surfaces. Dip painting is where a part is imersed in a vat of paint, often in a statically charged state and the paint gets into all joints, etc. as well as the major surfaces. Dipped parts may also be oven cured.
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