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Cloating

HCH-PCB applys Coating to PCB assembly according to customer requests.

 

The coating process is usually very important to protect the circuit board from moisture and contaminants (which may cause leakage).

 

These products are usually used in wet applications such as bathrooms, kitchens, outdoor applications, etc.

 

 

We have professional team and Advanced machine for coating.

 

The coating is a solid continuous film obtained by a one-time coating application. It is coated with a thin layer of plastic on metal, fabric,

 

plastic and other substrates to protect, insulate, and decorate. The coating can be gas, liquid or solid. Generally, the type and state of

 

the coating are determined according to the substrate to be sprayed.

 

 

1. Mainly methods:

 

   (1). HASL

 

   (2). Electroless Ni/AU

 

   (3). Immersion Tin

 

   (4). OSP: Oragnic Solderability Preservative

 

2. Function of coating:

 

   Protect from moisture and pollutants (which may cause electricity leakage);

 

   Resistant to salt spray and mildew;

 

    Anti-corrosion (such as alkali), improve resistance to dissolution and friction;

 

   Improve fatigue resistance of lead-free solder joints;

 

   Suppress arc and halo discharge;

 

   Reduce the impact of mechanical vibration and shock;

 

   High temperature resistance, release stress due to temperature change

 

3. Application of coating:

 

   SMT & PCB assembly

 

   Surface Mounted Package Adhesive Solutions

 

   PCB Coating Solution

 

   Component Encapsulation Solution

 

   Portable electronic products and parts

 

   Automobile industry

 

   LED assembly and application

 

   Medical industry

 

   New energy industry

 

   PCB Board Coating Solution

 

4. Process characteristics:

 

   In terms of the process of PCB surface coating, PCB manufacturers always face the challenge of balancing output,

 

   materials, labor investment and safety. At the same time, they must consider the regulatory and environmental

 

   issues involved in the process.  Traditional surface coating methods, such as dipping and air gun spraying, usually

 

   require high materials (input and waste) and labor costs (a lot of labor and labor safety protection). Solvent-free

 

   surface coating materials increase costs.

 

5. The Advantage of coating:

 

    The absolute speed is fast.

 

    Durable and reliable.

 

    Good selectivity accuracy (edge definition, thickness, efficiency) can be achieved.

 

   The software supports changing the spraying mode in flight state,

 

   and the spraying efficiency is High spraying efficiency.

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Addr: No.2095, Shihong Industry Park, Bixin Rd, Longgang Dist, Shenzhen, Guangdong, China
Email: info@hch-pcb.com
Tel: +86-13068787522