A soft bright white colored metal that with higher electrical and thermal conductivity than any other natural metal.
Silver Coating
Silvering is commonly used in a variety of engineering and decorative functions due to its durability and high corrosion and abrasion resistance. Silver finishing is also characterized by excellent soldering capacity and low electrical resistance.
Silver finishing functions as a primary layer to gold coating, but can also be used to the plating og different metals such as nickel, zinc, brass and aluminum.
Silver Coating – Common Functions
Silver Coating in the Industry
Silver coating used for the coating of is pipe fittings, sockets, plugs, component parts required to meet high frequencies, high voltage products, electronic products and such.
Silvering is also used for the prevention of cold solder systems that are under high pressure and supplies good tightness due to its relative softness.
Decorative Finishing
Silvering is used for jewelry, religious articles, silverware, goblets, chandeliers, music instruments and such.
Metal Finishing & Plastic LTD performs a wide variety of silvering in accordance to its client’s personal needs and requests. Metal Finishing & Plastic LTD uses the most advanced products lines available in Israel and leading technologies in the world.
ASTM B 700
Classification According to Type – Plated Silver Component
| Type | Silver |
|---|---|
| Type 1 | 99.9% |
| Type 2 | 99.0% |
| Type 3 | 98.0% |
Classification According to Grade – Coating Gleam
| Grade | Gleam | Details |
|---|---|---|
| Grade A | Mat | Non-Bright plating coating solution |
| Grade B | Brilliant | Bright plating coating solution |
| Grade C | Brilliant | Glossy coating resulting from mechanical polishing or Grade A polishing |
| Grade D | Semi Brilliant | Semi glossy coating resulting from special additives added in solution aggregation |
Classification According to Class – Passivation and Tarnishing
| Class | Passivation |
|---|---|
| Class N | Without further treatment to the Silvering |
| Class S | Passivation treatment to prevent TARNISH (blackening). Not suitable for dinnerware |
QQ-S-365D
Classification According to Type – Glint
| Type | Glint |
|---|---|
| Type I | Mat |
| Type II | Semi glint |
| Type III | Glint |
Classification according to Grade
Passivation and Tarnishing*
| Grade | Description |
|---|---|
| A | Additional chromatic silver passivation process for tarnishing prevention |
| B | No tarnishing prevention additional process |
* Tarnish – a process in which the silver coating receives a black shade. Change in the color is usually caused by contact of the coating with sulfur and bromine compounds. Sulfur can be found in rubber, gasoline and such.
Silver
