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Vacuum Casting and Silicone Molding

Vacuum casting, RTV molding, Silicone molding, Urethane molding – these refer to the same process; two compounds react inside a mold to form the solid part. No high temperatures or pressures are involved, making it very different to injection molding or rapid tooling. It provides an economical way to create batch prototypes for exhibitions and marketing research.

Material properties mimic those of injection molded parts, and highly detailed surface texture is transferred from the master pattern. High quality silicone is used for the mold material, while the master is made by SLA or CNC. A pre-existing component may also be used as the master, in cases where extra prototypes are required. Hence, vacuum casting offers an economic solution in cases where duplication of existing objects is required.

 In addition to plastic parts, vacuum casting can be used to make rubber parts (from Shore A 35 to Shore A 90.) SOMA also offerss prototyping of silicone components, through the use of ABS or Aluminium molds.

 Mold lifetimes – 10 to 20

Why Use SOMA Prototype ?

Fast Delivery: 3day for prototype, 14 days for rapid tooling
Consistent Quality: parts inspected prior shipment
Experienced PM Team: both engineering and English background
Competitive Price

We do what we say and we say what we do.

About SOMA Prototype

SOMA Prototype Manufacturing Ltd has been making rapid prototype and rapid tooling & injection molding for years.

We commit ourselves to helping customers to bring their concept to reality and promote the products to the market faster at better price.

Prototype and rapid tooling test is very important prior to production tool. From prototype making and then to prototype tool and injection molding, we better understand the project requirement and provide a good solution or design modification proposal to make the design more suitable for production. In many cases, due to the lack of manufacturing background, designers easily ignore the manufacturing feasibility and design parts that cannot be produced. SOMA prototype has a good quoting system to help customer. To enhance production performance, SOMA provides DFM ( design for manufacturing) before tool making. DFM is of a great help to reduce the cost and shorten the lead time.

Value Added Services

In addition to make low and medium volume plastic and metal parts, SOMA Prototype provide additional services to customers:

 

  • Full or Sub-Assembly
  • Related components Sourcing
  • PCB sourcing
  • Sheet Metal
  • Special Packaging