Plastic Injection Molding

Plastic Injection Molding

Specialty Integrated Services Plastic Injection Molding is a full-service injection and insert injection molding partner. In polypropylene injection molding, Operate 23 presses ranging from a 2 ounce shot size in our smallest 25 ton press to 80 ounce shot size in our 500 ton machine. Our plastic injection molding service can deliver a broad range of standard and custom products.

By partnering with our machining, stamping and assembly divisions, Specialty Integrated Services can supply anything from a single low volume molded part, to a high volume sub-assembly. With the shortest lead times in the business, typically 3 weeks or less, we can make your business responsive to demand fluctuations. Specialty Integrated Services also provides a full range of services including engineering and secondary operations required to complete customer projects.

Specialty Integrated Services welcomes the opportunity to assist our customers in product design. Our engineers will work with you to ensure maximum design quality for manufacturing and assembly. Excellent customer service and satisfaction are hallmarks of our company and foundational to our business success. Our commitment to customer service will ensure your success, as well. The proof is in the final product.

Specialty Integrated Services is an integral part of The Specialty Mfg. Co., one of North America’s oldest and most respected manufacturers. For over a century, The Specialty Mfg. Co. has been a leader in manufacturing innovative products. Specialty Integrated Services has honed its expertise and processes since 1900. The Company produces nearly all components necessary for our broad line of world class metal and plastic valves. This expertise is a valuable resource for other manufacturers interested in partnering with the best!

Plastic Injection Molding Capabilities

Injection Molding Capabilities Operating 23 presses ranging from a 2 ounce shot size in our smallest 25 ton press to 80 ounce shot size in our 500 ton machine, we can mold a broad range of parts. All of our presses are hydraulic, horizontal toggle machines with the exception of one vertical press used primarily for insert molding. We run both manual and automatic unscrewing molds as well as insert molds. Threaded inserts, bushings or other metallic inserts can be supplied by our in-house precision machining department. All of our presses can be equipped with driers and/or chillers as necessary to run your parts. Complete Injection Molding Equipment ListClick here for a complete equipment list (PDF – 43KB).
Materials We run standard engineering grade materials, including filled and unfilled. While we normally source the resin, we are happy to use customer supplied material when required. Our facility has all of the necessary driers and chillers to ensure that your parts are made to the highest possible dimensional and cosmetic quality standards. Materials commonly run include:

  • Nylon
  • Acetal
  • PVC
  • Polypropylene
  • Polyethylene
  • Polystyrene
  • Polyester
  • Polycarbonate
  • Santoprene and other TPE’s
  • Others as needed
Engineering We welcome the opportunity to assist our customers on both product and mold design. Our engineers will work with you to ensure that your part is designed to maximize manufacturability while still ensuring dimensional integrity. With our in-house 3D printer, we can supply low cost SLA models to verify fit, function or aesthetics. Our engineers work with the following software:

  • AutoCAD
  • SolidWorks
  • Part Maker
  • Inventor

Additional Information

Assembly We also offer a complete assembly department where your injection molded components can be matched up with stamped and/or machined parts from our other divisions to produce a sub-assembly ready for your installation.
Quality Our quality system is ISO 9001:2008 certified. As a supplier to numerous medical, defense and industrial equipment manufacturers we can supply whatever quality metrics required. Please see our Equipment Listequipment list (PDF – 43KB) for a summary of our quality equipment.
Tooling We will assist you in sourcing the most competent and competitive mold designer and manufacturer or you can provide the tooling. Either way we will make sure that your mold is carefully run and stored in a climate controlled environment. Basic mold maintenance is available at our on-site tool room. We run both manual and automatic unscrewing molds as well as insert molding of thread inserts, bushings, etc. Contact our sales department for more information.