Holly 2K Injection Molding Service
Holly is an injection moulding 2K market leader which produces high performance, multi-material parts for a variety of markets including automotive, electronics, home appliances, and medical devices. We provide complete solutions in 2K moulding by combining two or more materials into one part to bring more functionality, reliability, and design freedom.
With our advanced production process and our immense experience, we can produce an extensive variety of materials such as PP, ABS, PC, TPE, silicone, and metal inserts. From small batch prototyping to large orders, we deliver quick turnaround at high speed with quality inspection. Our specialists utilize superior technology and undergo high-quality inspection processes in a bid to offer parts most ideal for your specifications.
At Holly, we are committed to providing value-for-money high-quality 2K molded components with various levels of potential customization such as color matching and surface treatments like texturing, polishing, and chroming. Prioritizing the quality and the satisfaction of the customers, we are your most trusted partner in assured and effective 2K injection molding service.
Explore our 2K injection molding mold
We have 2K injection molding as our specialty, offering effective, versatile services to a variety of industries. The categories of our molds are single-cavity molds, multi-cavity molds, family molds and special-purpose molds. The 2K injection molding technique enables the application of two materials that are different on the same workpiece, which improves product function and appearance, with broad applications in auto components, housing of electronic products and consumer products. By precise control of the injection molding process, we realize the high quality and longevity of our products, meeting the individual demands of our customers.
2K injection molding mold
Cove shell 2K injection molding
Handle 2K injection molding
2K injection molding
2K Injection Molding Capabilities
2K Injection Molding Materials Available
| PP
PP is being used extensively for 2K injection molding as it possesses good chemical resistance, is light in weight, and also cost-effective. PP is specially designed for those products that require strength, along with elasticity.PP is combined with resins like TPE or PC in 2K molding and utilized in such applications as parts for car interior components, electric components, and home appliance parts. PP is used in the application of dashboards in automobile panels and in appliance casings, which have strength along with a low weight.
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| PS
PS is commonly used in 2K injection molding due to its satisfactory clarity, processability, and dimensional stability. It is best used where appearance and manufacturability are of utmost importance. PS in 2K molding is frequently compounded with some other materials like ABS or TPE to produce multifunctional parts to be used in the packaging and consumer electronics market. For example, PS is utilized in electronic equipment housings and packaging materials, wherein it provides a luxury, smooth appearance and reasonable performance.
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| PC
PC finds widest use in 2K injection molding due to its extremely high impact resistance, toughness, and transparency. PC is optimal to use where maximum durability and optical clarity are required. PC is blended with other materials like ABS or PP in 2K molding for high-performance requirements. PC is utilized, for example, in automobile illumination components, caps of electric components, and protective accessories, where PC exhibits excellent impact resistance and optical properties.
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| TPU
TPU is an appropriate material for 2K injection molding due to its high impact resistance, abrasion, and flexibility. TPU may be applied in components needing flexibility, yet being hard. TPU is generally mixed with hard ones like ABS or PC in 2K molding to create parts of soft-touch and good mechanical properties. TPU is used extensively in car seals, cell phone covers, and shoe components, where it offers excellent abrasion resistance and a soft, grippy feel.
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| PA
PA is most prevalent in 2K injection molding since PA is highly thermally stable, mechanically strong, and abrasion resistant. PA would be best in parts that are going to be extremely durable and have low friction. PA in 2K molding primarily blends with other resins like TPE or PC for optimal part performance. Nylon is widely employed in industrial parts, electrical contacts, and auto parts because of the benefits of a combination of hardness, flexibility, and chemical as well as thermal stability.
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| Epoxy Resin
Epoxy resin is widely employed in 2K injection molding since it possesses high tack, chemical resistance, and thermal stability. It is used wherever bonding strength will be great and electrical insulation is required. Epoxy resin is usually mixed with a small percentage of some other component such as ABS or PC in 2K molding to produce high-strength and high-performance parts. Epoxy resin is used in electric appliances, automotive parts, and industrial items to add strength and heat and severe chemical resistance.
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| TPE
TPE is a multi-phase material used in 2K injection molding that is rubbery in nature but thermoplastic in processing. It is highly tough, impact-resistant, and flexible. TPE, when incorporated in 2K molding, can most often be blended with hard plastics like PP, ABS, or PC to create parts of soft-touch feel and enhanced comfort. TPE is extensively applied as automotive gaskets, medical device components, consumer items, and grips with enhanced performance in flexibility and strength.
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| Silicone
Silicone is a very versatile and heat-resistance material that is extensively utilized in 2K injection molding because of excellent thermal stability, resistance, and biocompatibility. Silicone has excellent compatibility with severe temperature resistance as well as flexure conditions. In 2K molding, silicone is primarily combined with constituents like ABS or polycarbonate to endow parts with the flexibility in addition to excellent performance characteristics. Silicone is greatly applied in health equipment, seals of cars, cookware, and household usage, which resist heat, chemicals, and external stress more than other materials.
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2K Injection Molding Finishing Options
| Name | Description |
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| SPI Finishes (A1-A3) | Ranges from smooth, glossy finishes (A1) to more textured, matte finishes (A3), commonly used in consumer goods and automotive parts. |
| VDI Texturing | Standardized texture patterns creating uniform textures, ideal for automotive or appliance parts where a specific texture is required. |
| EDM Texturing | Uses electrical discharge to create delicate, custom textures, often used in premium cosmetic or sophisticated designs. |
| Mirror Polishing | Gives a mirror-finish, high-gloss, typically used on items requiring transparency or a glass-like, reflective finish. |
| Custom Texture | Special pattern or texture, often used for branding or usability design like anti-slip surface. |
| Paint Coating | Provides color or protective coating to the surface, improving appearance and wearability, commonly employed for consumer goods or automobile components. |
| Chroming or Plating | Deposits a metal layer (e.g., chrome or nickel) for increased appearance, corrosion resistance, and strength. |
| Overmolding | Shapes a less rigid material (e.g., TPE, silicone) over a stiffer part to create tactile or sealing characteristics. |