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URETHANE CASTING

We are able to reproduce your design with urethane castings by using a stereolithography master or a machined master to create RTV silicone rubber molds. Our urethane casting service ensures consistent excellence whether you need a small quantity or several hundred castings.

URETHANE CASTING CAN PROVE EXTREMELY VALUABLE FOR EARLY MARKET TESTING

Our urethane casting service gives you access to high quality, low volume “production-like parts” in a variety of rigid, and soft urethane materials. Castings can even be colored to a wide range of colors and textures and ARRK will match pigments for Pantone, RAL, or samples provided. Our cast urethane parts resemble your final product not only in shape but also in appearance and finish. Urethane castings provide a visual, practical, and functional evaluation plus can prove extremely valuable for early market testing.
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MORE CHOICES

Wide range of resins, size, finishing options

HIGH QUALITY: Arrk Icon White 003

HIGH QUALITY

Accurate and high quality cast copies with an immaculate finish

SPEED TO MARKET: Arrk Icon White 007

SPEED TO MARKET

Quick turnaround for a reduced time to market

URETHANE CASTING PROCESS

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STAGE 1. Master model

STAGE 2. Silicone mold

STAGE 3. Casting chambers

STAGE 4. Urethane part

A Master Model is created with all part features and finishing details to be reflected in the mold.
A fast curing silicone rubber mold is produced using the Master Model as a pattern.
ARRK injects our two-part urethanes into the mold inside vacuum pressure chambers.
Cured parts removed from the mold precisely and consistently duplicate the master model.

STAGE 1. Master model

A Master Model is created with all part features and finishing details to be reflected in the mold.

STAGE 2. Silicone mold

A fast curing silicone rubber mold is produced using the Master Model as a pattern.

STAGE 3. Casting chambers

ARRK injects our two-part urethanes into the mold inside vacuum pressure chambers.

STAGE 4. Urethane part

Cured parts removed from the mold precisely and consistently duplicate the master model.

CREATING CUSTOM MANUFACTURED URETHANE CASTINGS

A master model is often 3D printed using Stereolithography for its ability to be finely finished. Additionally, CNC master models are also a good choice, primarily because of their strength and ability to produce more significant quantities with tighter overall tolerances. Next, silicone rubber is poured around the master pattern, creating a cavity and a core. The master is then removed once the silicone rubber sets and leaves a void into which several materials may be cast.
Urethane casting designs do not require draft on small parts. Due to the flexibility of silicone molds, cast parts can be removed easily. Undercuts and fine details are replicated using mold inserts where necessary. While a silicone mold wears out quickly, it is vastly more cost effective for very low volume and prototype plastic parts with production-level quality and surface finishes.
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Highly trained technicians and experienced molders at ARRK North America, Inc. use their inventiveness to resolve any possible production issues in advance. We perpetually run tests and validate processes.
ARRK implements quality checks throughout manufacturing to ensure you receive the highest quality urethane castings available. We guide you through the best ways possible to produce your product design.

URETHANE CASTING

The most cost effective way to produce less than 30 parts
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RIGID URETHANE CASTING MATERIALS

Examples include ABS-like and clear to fire-retardant prototypes, cast in UL94V0 rated urethane, and semi-rigid prototypes which emulate the properties of polypropylene.
To view Data Sheets for our Rigid Urethane Casting Materials, please click the links below.

ELASTOMERIC URETHANE CASTING MATERIALS

We produce elastomeric urethane castings ranging from 20 Shore A to 90 Shore A. The materials can be used for everything from keypads, buttons, to O-rings.
To view Data Sheets for our Elastomeric Materials please click the links below.
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FINISHING PROCESSES WITH MASTER CRAFTSMANSHIP AND EXPERIENCE

Our team of skilled finishers and model makers carry out all finishing, painting and texturing services in-house. Secondary process treatments, including silkscreen and graphics application, enable us to provide realistic prototypes tailored to your exact requirements. The prototype will look, feel, and function as a final product. ARRK’s rigorous quality standards are upheld, and delivery schedules are maintained.
We have a wide range of additional finishing options we provide, depending on what is needed for the project:
  • Spray Painting Texture / Gloss
  • Logo and Graphics Application
  • Electroforming Plate
  • Gold Color
  • Spin Line
  • Sputtering
  • Vacuum Metalize

BENEFITS OF URETHANE CASTING WITH ARRK

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VERSATILITY

SPEED TO MARKET

QUALITY

LOW VOLUME SOLUTION

ARRK can produce lenses, keypads, and housings; or double-shot castings with an ABS-like substrate and rubber overmold around it. We can cast in color, texture and inserts can be molded inside as well.
Cast urethane parts provide a perfect way to work through iterations that best suit rapidly changing market demands in various industries including medical, consumer goods, automotive, and robotics.
ARRK’s urethane castings are well suited for design reviews and field testing. The hiqh quality parts we produce are great for customer reviews, market testing and investor presentations.
Advancements in ARRK’s urethane casting services allow us to bridge a gap in production. Our high quality urethane castings in production like materials can even be used in some industries for very low volume production.

VERSATILITY

ARRK can produce lenses, keypads, and housings; or double-shot castings with an ABS-like substrate and rubber overmold around it. We can cast in color, texture and inserts can be molded inside as well.

SPEED TO MARKET

Cast urethane parts provide a perfect way to work through iterations that best suit rapidly changing market demands in various industries including medical, consumer goods, automotive, and robotics.

QUALITY

ARRK’s urethane castings are well suited for design reviews and field testing. The hiqh quality parts we produce are great for customer reviews, market testing and investor presentations.

LOW VOLUME SOLUTION

Cured parts removed from thAdvancements in ARRK’s urethane casting services allow us to bridge a gap in production. Our high quality urethane castings in production like materials can even be used in some industries for very low volume production.e mold precisely and consistently duplicate the master model.

EXPERIENCE

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Parts produced every year
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Years of expertise
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Factories around the world

One-Stop Solution

Concept Design
1st Step

Rough
Sketch

Define
Specs

Material
Selection

Prototyping
2nd Step
3rd Step
4th Step

3D Design

Mock Up

Prototype

Pre / Mass Production
5th Step

DFM

Tooling

Production

One-Stop Solution

Concept Design
1st Step
sketch

Rough
Sketch

spec

Define
Specs

Material
Selection

Prototyping
2nd Step
3rd Step
3d_design

3D Design

mock up

Mock Up

4th Step
prototype

Prototype

Pre/ Mass Production
5th Step

DFM

Tooling

Production

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TESTIMONIALS

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Precision manufacturing applications for every industry
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Aerospace & Defense

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Automotive

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Consumer Products

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Industrial

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Medical Devices

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Robotics

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Transportation