Introduction to Automotive Paint Layers
LAYER 1: Primer
-First
stage of the automotive painting process.
-For levelling the
surface of the body & overcoming manufacturing defects if any.
LAYER 2: Base Coat
-Second
stage of the painting process.
-This
coat contains the colour, and is usually referred as paint.
-Base
coat used in automotive applications is commonly divided into three categories:
SOLID, METALLIC, AND CERAMIC (PEARLESCENT).
Solid
paints have no sparkle effects except the colour.
Metallic
paints reflect
light for a much brighter shine than solid
paints.
-Mixing of metal(aluminium) flakes and paint. The metal
particles pick up and reflect light, hence the shine.
Pearlescent
paints/Ceramic Paints are mixing of
paint with ceramic crystals (also known as mica).
-Along
with reflecting the light MICA
refracts the light too. This refraction gives a deep colour to the paint along
with the shine.
-It
can be two stage in nature (base colour + clear) or 3 stage in nature (basecoat
+ pearl mid-coat + clear-coat).
-Midcoat is a semi-transparent
paint that combines with the base coat to produce vivid colours.
LAYER 3: Clear-coat
-Clear-coat
is the last part of the painting process.
- Resist abrasion
and withstand UV light.
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