Underbody Coating

1. Write a one-pager about Under-Body Coating and its purpose, its types in detail, and its pros and cons.

ANSWER

UNDER BODY COATING

• Under-Body coating are used to protect or prevent from the moisture which makes rust on the Car.
• It helps from the poor roads condition, stones damage the parts of the car are protected.
• This underbody coating helps in protection from dust and moisture.

• Pre-treatment
• Electro Deposition
• rust proof material
• primer
• topcoat

PRE-TREATMENT

• The first step in BiW for subsequent coating is the pre-treatment process
• Pre-treatment consists of cleaning the body surface to remove remaining oils from the stamping process
• And welding residues thirough three primary liquid dip processes of dlegreasing, conditioning and phosphating

ELECTRO DEPOSITION

• Electo Deposition are done to prevent the corrosion
• ED process is a non rust proof
• ED is the main process of aviod rust.

RUST PROOF MATERIAL

• The third step is sealing PVC in underbody coating
• The sealant is applied around and inside the doors, hood, trunk and front dash
• And onto the exterior and interior of metal joints and outer area of the back wheel well.

PRIMER

• The fourth coating step is the primer coating in surface
• primer in solvent or spray or power coating.
• Primer is used to improve the paint enhance

TOPCOAT

• The final step in the body coating process is to apply the.topcoat
• It consists of two layers the basecoat and clear coat
• Base coat is the primary colour
• Clear coat is the protective coating

• Wax or paraffin-based undercoating is the cheapest
• It is quickest option available in the market
• But these coatings last only for one yecar of duration

Asphalt based under body coating

• It is used for light commercial vehicle.
• It is used for light commercial vehicle.

Polyrethane under body coating

• This coating is quick and easy to apply
• This type of undercoating always requires surface preparations before apply

UNDER BODY COATING PROS

• Reduces noise
• Extend the life of the vehicle
• Covers small damages

UNDER BODY COATING CONS

• Its not effective on cars with corrosion
• Doesn't work so well on old car
• it's useless on new cars
• Your vechicle's warrenty might be voided
• its makes your vechicle heavier
• it can be damaged
• it can be expensive