Custom Injection Molding Services
Custom injection molding services for complex geometries and high-volume production. Trust a leading injection molding company with innovative solutions for your product.
- Over 100 plastics and elastomeric materials available
- No minimum order requirement
- Quick quote response with free DFM feedback
- Custom injection molding in 1 week for prototypes & parts
Capabilities of Injection Molding Services
Our injection molding services offer precision and versatility, capable of producing both small prototypes and large production runs with a wide range of materials and tight tolerances.
Injection Mold Tooling
Create high-performance molds with our injection tooling and advanced CNC machines for consistent quality and precision.
Plastic Injection Molding
Achieve precise parts with tight tolerances using our advanced plastic injection molding service for consistent quality in high-volume production.
Overmolding
Overmolding combines materials for improved performance or aesthetics, offering features like better grip or protection.
Insert Molding
Insert molding embeds metal or components into plastic, ideal for complex assemblies and reducing post-production integration of fasteners, bushings, or electronics.
Why Choose Us
Unbeatable Lead Times
Accelerate product development with injection-molded parts ready for shipping in as little as 1 week.
DFM Feedback
Receive real-time pricing and design analysis to identify potential molding challenges in your 3D CAD.
No MOQ Requirement
Order parts on demand, reducing costs for bridge production, emergencies, or product customization without minimum quantities.
Injection Molding Expertise
We guide you from prototyping to production, offering finishing options and inspection reports.
Start A New Injection Molding Project
Unlock Precision and Quality with Our Injection Molding Services – Request Your Custom Quote Today!
Our Available Materials for Injection Molding Services
Acrylonitrile Butadiene Styrene (ABS)
ABS is known for its toughness, impact resistance, and strength. It is ideal for durable products like automotive parts, electronics, and consumer goods. Its ability to be easily molded and polished makes it versatile.
Color: Various shades, typically white, black, or beige
Surface Finish: Matte or glossy; smooth, easily polished
Price: Moderate; great for high-volume production
Build Time: Fast due to easy flow during injection
Polypropylene (PP)
Polypropylene offers outstanding flexibility and chemical resistance, making it perfect for components exposed to harsh environments like automotive parts and chemical containers. Its durability ensures long-lasting performance under stress and exposure to chemicals.
Color : Naturally milky or translucent, color-matching available
Surface Finish : Smooth, flexible; resistant to chemicals
Price : Low cost; high-volume production material
Build Time: Fast, thanks to its low melting point
Polyethylene (PE)
PE is highly durable, offering excellent moisture resistance and impact strength. It is commonly used in piping, packaging, and containers due to its toughness, flexibility, and ability to withstand outdoor conditions without breaking down.
Color: Opaque, available in various colors
Surface Finish: Soft, waxy feel; smooth or semi-textured
Price: Low; ideal for large production runs
Build Time: Quick due to low viscosity
Polycarbonate (PC)
Polycarbonate provides exceptional clarity, toughness, and resistance to impact, making it ideal for protective gear, transparent enclosures, and optical lenses. Its ability to maintain optical quality even under stress makes it a favorite in high-performance applications.
Color: Naturally transparent, can be color-tinted
Surface Finish: High-gloss or matte; easily polished for clarity
Price: Higher due to strength and optical qualities
Build Time: Moderate due to higher melt temperature
Nylon (Polyamide, PA)
Nylon is prized for its excellent wear resistance, tensile strength, and low friction properties. It is widely used in mechanical parts such as gears, bearings, and bushings where high durability and abrasion resistance are essential.
Color: Off-white or milky; can be dyed
Surface Finish: Smooth, glossy; highly abrasion-resistant
Price: Moderate; varies with reinforcement
Build Time: Moderate; high-temperature required
Polystyrene (PS)
Polystyrene is lightweight, rigid, and economical, making it ideal for disposable products, packaging, and casings. It is also widely used in insulating applications due to its excellent thermal properties and ease of molding into complex shapes.
Color: Clear, white, or color-matched
Surface Finish: Smooth, rigid, with slight sheen
Price: Low; one of the most affordable plastics
Build Time: Fast due to low melting temperature
Polyethylene Terephthalate (PET)
PET combines strength, moisture resistance, and durability, making it the go-to material for packaging, especially in the food and beverage industry. Its clarity and barrier properties also make it a popular choice for bottles and transparent containers.
Color: Transparent; can be opaque with colorants
Surface Finish: Smooth, glossy; moisture-resistant
Price: Moderate; cost-effective for specific uses
Build Time: Quick, thanks to superior flow properties
Materials for Injection Molding Services
Our injection molding materials provide a range of properties, from strength and flexibility to durability. Each material is chosen to meet the unique demands of your project for reliable, high-quality results.
Acrylonitrile Butadiene Styrene (ABS)
ABS is known for its toughness, impact resistance, and strength. It is ideal for durable products like automotive parts, electronics, and consumer goods. Its ability to be easily molded and polished makes it versatile.
- Color: Various shades, typically white, black, or beige
- Surface Finish: Matte or glossy; smooth, easily polished
- Price: Moderate; great for high-volume production
- Build Time: Fast due to easy flow during injection
Polypropylene (PP)
Polypropylene offers outstanding flexibility and chemical resistance, making it perfect for components exposed to harsh environments like automotive parts and chemical containers. Its durability ensures long-lasting performance under stress and exposure to chemicals.
- Color: Naturally milky or translucent, color-matching available
- Surface Finish: Smooth, flexible; resistant to chemicals
- Price: Low cost; high-volume production material
- Build Time: Fast, thanks to its low melting point
Polyethylene (PE)
PE is highly durable, offering excellent moisture resistance and impact strength. It is commonly used in piping, packaging, and containers due to its toughness, flexibility, and ability to withstand outdoor conditions without breaking down.
- Color: Opaque, available in various colors
- Surface Finish: Soft, waxy feel; smooth or semi-textured
- Price: Low; ideal for large production runs
- Build Time: Quick due to low viscosity
Polycarbonate (PC)
Polycarbonate provides exceptional clarity, toughness, and resistance to impact, making it ideal for protective gear, transparent enclosures, and optical lenses. Its ability to maintain optical quality even under stress makes it a favorite in high-performance applications.
- Color: Naturally transparent, can be color-tinted
- Surface Finish: High-gloss or matte; easily polished for clarity
- Price: Higher due to strength and optical qualities
- Build Time: Moderate due to higher melt temperature
Nylon (Polyamide, PA)
Nylon is prized for its excellent wear resistance, tensile strength, and low friction properties. It is widely used in mechanical parts such as gears, bearings, and bushings where high durability and abrasion resistance are essential.
- Color: Off-white or milky; can be dyed
- Surface Finish: Smooth, glossy; highly abrasion-resistant
- Price: Moderate; varies with reinforcement
- Build Time: Moderate; high-temperature required
Polystyrene (PS)
Polystyrene is lightweight, rigid, and economical, making it ideal for disposable products, packaging, and casings. It is also widely used in insulating applications due to its excellent thermal properties and ease of molding into complex shapes.
- Color: Clear, white, or color-matched
- Surface Finish: Smooth, rigid, with slight sheen
- Price: Low; one of the most affordable plastics
- Build Time: Fast due to low melting temperature
Polyethylene Terephthalate (PET)
PET combines strength, moisture resistance, and durability, making it the go-to material for packaging, especially in the food and beverage industry. Its clarity and barrier properties also make it a popular choice for bottles and transparent containers.
- Color: Transparent; can be opaque with colorants
- Surface Finish: Smooth, glossy; moisture-resistant
- Price: Moderate; cost-effective for specific uses
- Build Time: Quick, thanks to superior flow properties
Injection Molding Surface Finishes (SPI Finish)
Our injection molding finishes ensure your product has the right texture, from high-gloss to matte or textured surfaces, enhancing both appearance and functionality.
A-Finishes (High Gloss/Polished)
Finish | Description |
---|---|
A-1 | Mirror finish, highly polished (diamond buffing |
A-2 | High gloss, smooth finish (diamond buffing) |
A-3 | Semi-gloss, smooth finish (diamond buffing) |
B-1 | Fine texture, medium polish (#600 grit sandpaper) |
B-2 | Medium texture, semi-gloss finish (#400 grit sandpaper) |
B-3 | Coarse texture, semi-gloss finish (#320 grit sandpaper) |
C-1 | Fine matte finish (#600 grit stone) |
C-2 | Medium matte finish (#400 grit stone) |
C-3 | Coarse matte finish (#320 grit stone) |
D-1 | Fine bead blast texture |
D-2 | Medium bead blast texture |
D-3 | Coarse bead blast texture |
Surface Finishes
Selecting the right surface finish can boost the look, strength, and performance of your sheet metal parts. Here’s a quick look at some of our most popular finishes:
Color | Description | ||
---|---|---|---|
As-Fabricated Finish | Natural Metal | The raw finish is directly after fabrication. | All Metals |
Powder Coating | Various Colors | Durable coating providing corrosion resistance and color. | Aluminum, Steel, Copper |
Anodizing | Clear or Colored | Electrochemical process that adds a corrosion-resistant layer. | Aluminum, Titanium |
Electroplating | Various Metallics | Coating of metal with another to enhance corrosion resistance or appearance. | Steel, Copper, Nickel |
Sand Blasting | Matte | Creates a uniform, matte surface by blasting with sand particles. | Stainless Steel, Aluminum |
Polishing | Shiny Metallic | Buffing surface to a mirror-like shine. | Stainless Steel, Brass, Copper |
Passivation | Natural Metal | Chemical process to enhance corrosion resistance. | Stainless Steel |
Get Your Injection Molding Parts Today
Unlock Precision and Quality with Our Injection Molding Services – Request Your Custom Quote Today!
Injection Molding Capabilities
Delivering high-precision and efficient production—our injection molding capabilities ensure consistent, high-quality parts for diverse applications.
Service | Details |
---|---|
Lead Time | It starts in 7 business days, with quick quotes and feedback on how to design for manufacturing (DFM). |
Production Options | Both domestic and international |
Materials | A wide range of plastics available, including custom sourcing and matching; refer to the materials list below. |
Machines Available | Single, multi-cavity, and family molds; press tonnage ranging from 50 to over 3,700; automated side actions or manual core loading. |
Inspection and Certification Options | Includes IS0 9001, IS0 13485, IS0 16949, ISO 14001, and D-U-N-S®, GS, CE, EMC, RoHS, PaHS, UL/ETL, SAA, PSE Customer-owned molds with maintenance services included. |
Tool Ownership | Customer-owned molds with maintenance services included. |
Mold Cavity Tolerances | ±0.005" for mold machining, plus an additional ±0.002" per inch to account for shrinkage. |
Part to Part Repeatability | ±0.004" or tighter. |
Critical Feature Tolerances | Tighter tolerances are available upon request but may increase tooling costs due to extra sampling and refinement. GS Proto will mill critical features to a steel-safe condition. |
Available Mold Types | Steel and aluminum; production grades vary from Class 105 (prototype mold) to Class 101 (high-production mold). GS Proto typically manufactures Class 104, 103, and 102 molds. |
Injection Molding Surface Finishes (SPI Finish)
Our injection molding finishes ensure your product has the right texture, from high-gloss to matte or textured surfaces, enhancing both appearance and functionality.
A-Finishes (High Gloss/Polished)
Finish | Description | Application/Materials |
---|---|---|
A-1 | Mirror finish, highly polished (diamond buffing | ABS, PC, PS |
A-2 | High gloss, smooth finish (diamond buffing) | ABS, PC, PS |
A-3 | Semi-gloss, smooth finish (diamond buffing) | ABS, PC, PS |
B-Finishes (Semi-Gloss)
Finish | Description | Application/Materials |
---|---|---|
B-1 | Fine texture, medium polish (#600 grit sandpaper) | PP, PE, Nylon |
B-2 | Medium texture, semi-gloss finish (#400 grit sandpaper) | PP, PE, Nylon |
B-3 | Coarse texture, semi-gloss finish (#320 grit sandpaper) | PP, PE, Nylon |
C-Finishes (Matte)
Finish | Description | Application/Materials |
---|---|---|
C-1 | Fine matte finish (#600 grit stone) | PP, PE, Nylon |
C-2 | Medium matte finish (#400 grit stone) | PP, PE, Nylon |
C-3 | Coarse matte finish (#320 grit stone) | PP, PE, Nylon |
D-Finishes (Textured)
Finish | Description | Application/Materials |
---|---|---|
D-1 | Fine bead blast texture | ABS, PP, PE |
D-2 | Medium bead blast texture | ABS, PP, PE |
D-3 | Coarse bead blast texture | ABS, PP, PE |
Tolerance for Injection Moulding Services
Ensuring tight tolerances for precision and reliability in every part we manufacture.
Sample ID | Heading 1 | Heading 2 |
---|---|---|
Sample #1 | Row 1, Content 1 | Row 1, Content 2 |
Sample #2 | Row 2, Content 1 | Row 2, Content 2 |
Sample #3 | Row 3, Content 1 | Row 3, Content 2 |
How to Work with Our Injection Moulding Services
Streamline your project with our easy four-step process! Upload your CAD design, receive a quote, confirm your order, and watch as we bring your vision to life with precision injection molding.
FAQs
Injection molding hourly rates typically range from $20 to $150, depending on part complexity and machine type.
3D printing, vacuum casting, and CNC machining can be cheaper alternatives for low-volume or prototype parts.
Injection molding costs per part range from a few cents to several dollars, depending on factors like material, complexity, and production volume.
Injection molding has many advantages but the one that stand out the most is the support for mass production of parts. This in turn reduces the cost of production due to the lower cost per unit part as production increases.
Additionally, it is compatible with parts with complex geometries, providing consistency during production.
Common defects you can encounter during injection molding include the following:
- Warping
- Sink marks
- Flashes
- Short shots.
These injection molding defects can occur due to improper mold design, wrong material choice, wrong tooling, or the use of the wrong injection molding technique
Injection molding typically takes 2-8 weeks. But GS Proto can basically guarantee completion within a week.
Other factors that can alter the production time include the parts design complexity, size, injection service provider capabilities, and the production volume.
GS Proto offers a injection molding services at a competitive price.
However, you need to consider factors like mold complexity, material selection, production capability, and production volume during budgeting.
The production volume is a very important factor to consider because the higher the number of parts produced the lower the cost per unit part.
The injection mold longevity depends on the material used in making it.
There are two common materials: steel and aluminum. Steel has a higher longevity and a single steel mold can produce thousands to millions of parts hence its use in high volume production. On the other hand, aluminum molds are less durable and suitable for hundreds to thousand runs.
GS Proto has no minimum order requirement. We value every designer and engineer who invests in their dreams and ideas.
Yes, it is possible to accommodate some design changes after mold creation. However, this will come at an additional cost.
Depending on the changes required, it might need us to make a new mold.
Because it can lead to wastage of resources, ensure you communicate with us efficiently to reduce the need for changes and the associated cost.
Start Your New Injection Molding Quote
Unlock Precision and Quality with Our Injection Molding Services – Request Your Custom Quote Today!