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Enstark Injection Molding

Custom Vacuum Forming

Heavy gauge and short run vacuum forming and thermoforming for large machine covers, equipment housings, vehicle interior panels, and custom trays in ABS, HIPS, PETG, and polycarbonate.

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Large Part Sizes (up to 3000mm)
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ISO 9001:2015 Certified
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Low Tooling Cost
Explore All Capabilities

Get an Instant Thermoforming Quote

Upload your CAD file for instant pricing and DFM feedback.

Drag & drop CAD files hereSTP, STEP, STL, IGS, PDF, ZIP — up to 50MB
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Huawei Technologies
Samsung Electronics
Tata Motors
Delta Electronics
Lens Technology
Eveready Industries
Beijing Institute of Technology
Ansell LTD
NRTC
Chantelle
PT Wings Surya
PT Sun Paper Source
PT Supreme Paper Solution
Huawei Technologies
Samsung Electronics
Tata Motors
Delta Electronics
Lens Technology
Eveready Industries
Beijing Institute of Technology
Ansell LTD
NRTC
Chantelle
PT Wings Surya
PT Sun Paper Source
PT Supreme Paper Solution

for Vacuum Forming Material Options

Sheet material choice depends on impact resistance, clarity, chemical resistance, and cost, not a one size fits all default across every enclosure or panel.

Explore Sheet Materials
ABS & HIPS Sheet Materials

ABS & HIPS Sheet Materials

ABS offers toughness and impact resistance for structural panels and housings.
HIPS is lower cost and easier to form, suited to trays and general enclosures where impact resistance is secondary.

Vacuum Forming Finishes and Post Processing

The mold surface finish transfers directly to the formed part's outer face, so finish selection happens at the tooling stage, not after.

SPI Mold Finishes

SPI Mold Finishes

FinishAs-formed standard finish through fine textured tooling
TransferApplied directly to aluminum or composite mold
Custom Textures

Custom Textures

Surface GrainMold surface texturing applied to panel
CosmeticsHides minor cosmetic imperfections & adds grip
Secondary Finishing Services

Secondary Finishing Services

Post-FormingTrimming, painting, and screen printing
Final SpecBrings formed panel to final cosmetic specification

Vacuum Forming for
Various Industries

From large equipment housings to vehicle interior trim panels, Enstark forms parts at sizes and volumes where injection molding tooling cost doesn't make sense.

Vacuum Forming Quality Control

Formed panel quality depends on draft angle, wall thickness distribution, and mold surface condition, checked before and during every run.

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Mold & Pre-Production InspectionDraft angle and wall thickness thinning are reviewed against your part geometry before tooling is cut, since undercuts and sharp corners can't be formed after.
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In Process Quality ControlSheet temperature and forming cycle time are monitored throughout the run, since both directly affect wall thickness consistency across the formed part.
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Final InspectionEvery batch is checked against your drawing before shipment, with trim edges and surface finish verified prior to release.
Injection Molding Quality Control 1
Injection Molding Quality Control 2
Injection Molding Quality Control 3
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Large Format Thermoforming Without Injection Molding Tooling Cost

Enstark's vacuum forming and pressure forming services produce large panels and enclosures at a fraction of the tooling investment injection molding requires.

When your design needs sharper surface detail than standard vacuum forming can deliver, we step up to pressure forming rather than pushing you straight to a hardened injection mold you don't need yet.

How Enstark's Vacuum Forming Process Works

From sheet material CAD review to DFM evaluation, T1 sample forming, and full production shipment.

Upload CAD File

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Start by uploading your part geometry and target sheet material.

Upload CAD File

Get a Quote

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We review draft angle and wall thickness for formability, then return online pricing and DFM feedback in as fast as one day.

Get a Quote

Review T1 Sample

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We produce a T1 sample from your tool. Check every detail against your specification before we release to full production.

Review T1 Sample

Production Begins

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After approving the sample, we begin full scale production, holding the same dimensional consistency validated at T1.

Production Begins

Delivery

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We ship your formed panels and enclosures from our China facility to your location, tracked door to door.

Delivery

Ready to Start

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Your vacuum forming project with Enstark. Experience engineering like never before.

Ready to Start

Injection Molding Manufacturing Network

ENSTARK injection molding network combines 50 advanced machines capable of 90 to 830 tons with experienced project managers to handle projects of any size or complexity. We produce plastic molded prototypes and production parts with global shipping from China’s injection molding supplier.
50+Machines Set
120+Countries & Regions Served
20k+Customers Worldwide
Global Injection Molding Manufacturing Network Map

Vacuum Forming Capabilities

Our vacuum forming service covers large format panels and enclosures other processes can't reach cost effectively at this size.
Image (Digital caliper measuring a precision machined part)
Scroll horizontally to view specs
StandardsDescription
Maximum Part SizeUp to 3000 x 1500mm
Minimum Draft Angle3° (3° to 7°+ recommended for deep draws)
Available MaterialsABS, HIPS, PETG, PVC, polycarbonate, PP, PE
Mold TypesSingle sided vacuum tool, pressure forming tool
ToleranceBroader tolerance per DIN 16742, tighter with pressure forming
Wall ThicknessThins during forming, design for deepest draw area
UndercutsNot supported without added mechanical tooling features
Lead TimePrototype tooling in days, production tooling from 20 working days

Applications of Vacuum Forming

ENSTARK’s injection molding infrastructure supports high-precision component production across automotive, medical devices, consumer electronics, and industrial equipment.

Start Your Project
Applications of Vacuum Forming
Advantages of Vacuum Forming
• Low Tooling CostSingle sided molds cost far less than a two sided injection mold, especially at large part sizes.
• Large Part CapabilityPanels and enclosures well beyond typical injection molding machine platen size are practical to form.
• Fast Tooling TurnaroundPrototype tooling can be ready in days rather than weeks.
• Good for Short to Medium RunsEconomical at volumes where injection molding tooling wouldn't yet pay for itself.
Disadvantages of Vacuum Forming
• Broader TolerancesVacuum formed parts hold broader tolerances than injection molded parts.
• No UndercutsSingle sided tooling can't form undercut features without added mechanical complexity.
• Uneven Wall ThicknessMaterial thins unevenly during forming, especially on deep draw features.
• Not Suited to Small, Detailed PartsFine feature detail and tight tolerances favor injection molding instead.

Frequently Asked Questions

Injection Molding Blueprint & CAD Review
What is the difference between vacuum forming and pressure forming?

Vacuum forming uses vacuum alone to pull a heated plastic sheet against a mold. Pressure forming adds compressed air on top of vacuum, achieving sharper surface detail and tighter cosmetic definition, closer to injection molded quality, without the cost of a two sided injection mold.

What is the minimum draft angle for vacuum forming?
What materials can be vacuum formed?
Can vacuum forming produce parts with undercuts?
How does tolerance compare to injection molding?
What is the largest part size you can vacuum form?
How fast can vacuum forming tooling be built?
Do you offer material certificates or inspection reports?