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Thorofare, NJ
Boxborough, MA
Jaffrey, NH
Mount Holly, NJ
About us
Stack Plastics, Inc. is a custom plastic injection molding company specializing in engineering thermoplastics, elastomers, and a number of other resins, including PEEK, Delrin, and more. We offer expert service throughout the entire injection molding product development process, from conception to prototyping to mass production.
Stack Plastics is an ISO 13485:2003 certified company with over 15 years’ experience in custom plastic injection molding. Based in the Bay Area of California, we specialize in medical device components but also supply parts, components, and assemblies for a number of industries. We create plastic injection molded parts for everything from consumer products to aerospace components.
At Stack Plastics, we provide a wide variety of custom plastic injection molding services, and many secondary services, to give you the best quality products and the best customer service around
18 Community Reviews 4.56/5 Overall Rating
Our R&D Engineering has been dealing with Stack plastics injection molding and overmolding needs. Their engineering staff has been able to address all of our concerns with respect to: design, materials, process, quality, quoting, delivery times. When you are fighting time constraints it is nice to know there are vendors that are concerned with the bottom line - cost, quality & delivery. Furthermore, Stack Plastic has expects that can address the simple design to complex, they can suggest ways to lower the price - single tools to multiple cavities. Customer service is great and a large reason why we chose them as they kept us informed throughout the entire process, all while offering additional solutions..
Strengths: All types of Injection Molding - Engineering Knowhow - Customer service - Quality Products - Price Competative -
Needs to improve: none
we reached out to stack plastics to help us create some plastic part and components to fit our medical devices. they were able to make it as both subassemblies as well as other components for our more complex medical devices. they can help you to make prototypes do short run development or do the full one production depending on your company's needs as well as urgency. we were very pleased with our experience with stacks as they kept us informed throughout the entire process and allowed us to make changes to our parts even after the production process began
Strengths: injection molding, medical molding, pad printing, ISO certified company, customization
Needs to improve: none
Stack Plastics is the vendor we used in our company for their products that helps our devices in assembly. The quality of their products makes their reputation for special parts that we are using for a prototype that we needed. We don't have known issues with them. The service and products are reliable and effective that is competitive to other vendors. Pricing is great for it is low cost and the delivery are on time. Overall this vendor deserve to be recommended for anyone!
Strengths: -High Quality
-Service Oriented
-Reliable
-Competitive Company
-Efficient and Effective
-Informative Website
-Wide selection of products
-On time Delivery
-Reasonable pricing of products
Needs to improve: None
Our firm sourced from Stack Plastics for a few custom molding services on new prototypes we had for some medical devices. Stack Plastics was able to provide a fast and accurate quote and even delivered ahead of time. The overall experience was great as they guided us through the entire process and the moldings came out great. The service was excellent as they answered our questions and the competitive pricing was an added bonus. These guys are great! I will use them again for my next custom molding needs.
Strengths: wide selection, great service, quick lead times
Needs to improve: none
Teamd562
CEO/Owner , Architectural And Engineering
06/11/2014
Stack Plastics is a very reputable and great vendor to work with. We have contracted with Stack in the past on a few custom molding services for new prototypes that an international client wanted to make. They were able to provide a fast and accurate quote and when on site, they completed the job on time and on budget. These guys are great! I will use them again for my next custom molding needs.
Strengths: Wide array of products and molding services to fit your custom need. Excellent customer service. Pretty quick turnaround.
Needs to improve: None.
We had worked with Stack Plastics for injection molding of plastic components. We were tasked with qualifying a component and they were helpful with validating the molds and were on time with deliveries for validation builds. We had no issues with their parts. They were expedient and reliable and were easy to work with. Prices were comparable to other medical device manufacturers. They were just a convenient source at the time, but happy to work with them.
Strengths: Injection Molding, Technical Support, Customer service, Quality Products, Competitive Pricing
Needs to improve: None
I have worked with Stack Plastics in the past on contracting them for several molding procedures for our new product offerings. They have always provided excellent service and top quality products. Their customer service team is exceptional. they posses a great deal of knowledge and do not mid partnering to create a better product. The cost for this service is in line with many others in the industry, but from what I've seen I'll continue to give my business to Stack Plastics
Strengths: Injection molding
Needs to improve: None
we have contracted with Stack plastics for years now, they have done so many custom work for us its un real. They never turn down one our unusual custom products. They have done many molding for us and our projects. The staff there really know what they are doing. So don't hesitate to send them a project! They can do anything!
Strengths: Great website, very knowledgable staff with great products and wide variety! Awesome customer service line. Also fast shipment !
Needs to improve: none at the moment !!
Helpful Customer service - Reliable quality products - Pricing is competitive - Fast turnaround - Accurate quotes
Strengths: Our R&D department use Stack Plastics as a source for their prototypes. We mainly use them for our our small customer plastic parts for our prototyping projects. Their engineered assistance support very good and responsive. Their pricing is competitive and they have reliable services. Their quality is very good. Their technical and customer service is excellent and very knowledgeable. Quotes are accurate and delivery is fast.
Needs to improve: None
We reached out to Stack Plastics to quote a prototype opportunity for a long term client. Customer reps were great, responsive and happy to offer insight. We were at the beginning stages as our client often changes his mind which means a retool in design. Stack offers a wide selection of solutions and with realistic quotes and lead times, it's hard not to go back. Quality team
Strengths: customer service, industry knowledge, selection, lead time
Needs to improve: none
Our company contracts with Stack Plastics to use their product on our medical devices. They help us with parts for special prototypes we need. They are very professional and knowledgeable of their products. They offer competitive pricing with efficient shipping and fast turnaround times. Overall a great vendor to work with. Very reliable!
Strengths: -Knowledable and professional customer service
-Quality products
-Competitive pricing
-Efficient shipping process
-Fast turnaround time
Needs to improve: No weaknesses.
Throughout our years we have gone through many vendors. Experienced it all, the good, the bad and the ugly parts. Thankfully when we found someone good we kept them and Stack is one of them. They got us our products quickly and with out any variation. Every item molded is exactly like our beta. Gladly to recommend and continue our business.
Strengths: injection molding, resins
Needs to improve: none
Pooch
Purchasing , Medical Device
11/19/2014
We have had numerous components manufactured and delivered with this vendor. This suppier is very reliable. No issues with bad quality, Just high end deliveries the majority of the time. The plastic components are durable and meet our stringent specs.
Strengths: We have many vendors for plastic molding manufacturing. We have high standards and this vendor meets the standards. Good leatimes...
Needs to improve: The pricing is not so competitive.
We use their product on our medical devices. We do prototypes and they help out with the special parts that we need. They have a quick turnaround and they are always on time.
Strengths: Stack Plastics is very good at what they do. You get straight forward answers to all of your questions. They are reliable and have a quick turnaround
Needs to improve: nothing
Offers a wide array of molding services at competitive prices. Staff is knowledgeable and maintains good communication throughout the project. Does quality work and delivers on time. Very responsive and detail oriented.
Strengths: Offers multiple molding services, average lead-times, competitive prices
Needs to improve: None
we deliver more complete finished products with the help of this vendor. Our assembly services include sonic welding and pad printing, that add value to parts and components, and help speed up our overall production process.
Strengths: wide selection services
Needs to improve: none
It was great working with Stack Plastics ,when we need micro molding done this is the company we use for our facility ,they worked well with us .thanks again.
Strengths: Micro molding ,
Needs to improve: None
We use stack plastics for our machines assembly.good quality and very durable always ontime with there deliverys .
Strengths: Durable reliable fast good quality
Needs to improve: None