It is important to consider what method of molding a silicone rubber manufacturer uses when deciding to choose one. There are a few different methods of molding silicone components, each with their own benefits and disadvantages. The main methods used are compression molding and liquid silicone injection molding (LIM).

Compression Molding:
This is the simplest form of silicone rubber molding, but it is also an open-air labor intensive process. This allows for the possibility of contamination to get into the silicone. Compression molding also has the use of fillers that are added to the silicone to lower the cost of material for manufacturing.

Liquid Silicone Molding:
Liquid silicone injection molding or LIM, is a custom injection molding method of liquid silicone rubber (LSR). While normal injection molding typically uses a High Consistency Rubber (HCR) which is also known as gum stock, LIM uses a high viscosity liquid silicone rubber and consists of two parts. Liquid silicone also cures at a much faster rate than typical gum stock, allowing for frequently lower piece prices and the desired choice for high volume orders.

Our flagship has always been the silicone keypad, but we have expanded our facilities to take on the ever-growing requests from our customers to manufacturer a complete keypad assembly. If you are looking for rubber keypads with printed circuit boards, metal domes, polyester domes, or membrane circuits, we can help.

Our goal is to offer a one stop shop for many types rubber components. Regardless of what industry you are in, we want to make the process as seamless as possible.

If you have a need, we might have a solution. Contact us to see how Sitech can help.