Where Materials Bond with Precision

Custom Overmolding Service

Overmolding allows engineers to combine multiple materials for waterproofing, soft touch grip, vibration resistance, or filter integration into one durable, functional part. Qlution Mold provides precision tooling, bonding analysis, and ISO Certified production for complex dual-shot and insert overmolding projects.

When Do You Need Overmolding?

At Qlution Mold, precision engineering drives every part we produce. Our automotive injection molding process integrates high-speed presses, mold temperature control, and data-driven monitoring to ensure consistent performance across all production cycles

Waterproof & Sealing Structures

Create watertight seals using TPE or silicone over rigid plastic substrates for consumer electronics or medical housings.

Soft Grip & Ergonomic Surfaces

Add rubber-like soft layers on tool handles, power tools, or appliance covers for comfort and durability.

Silicon Overmolding

Dual-shot or insert overmolding using LSR (Liquid Silicone Rubber) for medical, lighting, or electronic applications.

Filter & Mesh Integration

Overmold metal or nylon meshes into plastic frames to produce filters and fluid control components with perfect sealing.

Engineering Precision for Complex Multi-Material Parts

Qlution Mold’s team has extensive experience with TPE, TPU, LSR, and engineering plastics such as ABS, PC, and PA. Through our Custom Manufacturing approach, we perform DFM and moldflow analysis to ensure consistent adhesion, avoid material contamination, and control thermal balance between first and second shots.

Our advanced equipment supports two-shot rotary tooling, insert-based overmolding, and hot-runner temperature zoning for consistent results and tight tolerances (±0.01mm).

Solving the Biggest Overmolding Challenges

Overmolding can be complex; temperature mismatch, weak bonding, or surface defects can ruin precision. At Qlution Mold, our process-driven engineering ensures stable production and superior part quality, cycle after cycle.

Solution: Controlled mold temperature and chemical surface activation for strong bonding.

Solution: Gate and runner simulation with moldflow analysis to prevent air traps.

Solution: Precision mold design with dowel and pin-locking system
ensures perfect part matching.

Solution: Real-time process monitoring and CMM inspection during T0trial.

Why Global Brands Choose Qlution Mold for Overmolding?

🗸 Material Bonding Expertise

Proven experience with TPE, TPU, and LSR over engineering plastics and metals.

🗸 Tooling Precision

±0.01mm tolerance machining for perfect two-shot alignment.

🗸 In-House Dual-Shot Capability

Both tooling and molding done internally no outsourcing.

🗸 Quality & Documentation

Adhesion test reports and inspection data for every mold.

Where Our Overmolded Parts Are Used

Our Overmolding Service delivers precision and comfort for industries where design and durability go hand in hand.

Undercut Grooves

Create through-holes or slots that let the second-shot material pass through, forming a mechanical interlock.

Through Holes & Slots

Add small undercut grooves or holes on the substrate surface to allow the overmolded material to flow into and mechanically lock in
place.

Textured / Roughened Surface

A textured or sandblasted surface increases effective bonding area and surface energy, enhancing molecular adhesion.

Step or Lip Interface

Add step geometry or lips along the edge of the bonding area to prevent peeling and improve load distribution.

5.0

Based on 40 reviews powered by Google reviews us on Google

Lukas Weber
Lukas Weber2 Years Ago
Qlution Mold delivered top-notch automotive molds with incredible precision and durability. Each part fits perfectly, and their engineering support made our production faster and smoother.
Sarah Mitchell
Sarah Mitchell2 Day Ago
We needed clean, precise molds for medical parts. Qlution Mold provided flawless Class II device components with full traceability and exceptional finishing. A trusted long-term partner!
Kenji Tanaka
Kenji Tanaka1 Week Ago
Qlution Mold’s team built ultra-thin inserts for our electronics project. The detailing, polish, and accuracy were amazing. Their hot runner design also helped us reduce waste and costs.
Isabella Martin
Isabella Martin1 Day Ago
Our cap and closure molds now run faster than ever. Qlution Mold’s high-speed hot runner system cut cycle time by 20% while keeping part quality consistent and surface finish perfect.

Frequently Asked Questions

What is overmolding, and how does it improve product quality?

Overmolding joins two materials into one part, enhancing grip, durability, and comfort. It’s ideal for creating soft-touch, long-lasting, and attractive components used in medical devices, tools, electronics, and automotive products.

Plastic overmolding molds a second plastic layer over a solid base. Controlled heat and pressure create a strong bond, producing smooth, durable, and seamless parts for precision products across multiple industries.

Rubber overmolding adds flexibility, vibration damping, and a soft feel. It’s perfect for handheld tools, wearables, and healthcare products that need comfort, shock absorption, and a secure, non-slip grip.

Metal overmolding combines metals like aluminum or steel with plastics or elastomers. The result is lightweight, corrosion-resistant, and durable parts commonly used in automotive, aerospace, and industrial manufacturing.

Two-material overmolding fuses two polymers or elastomers in one cycle, blending strength and softness. It enhances product comfort, durability, and appearance for tools, consumer goods, and electronic devices.

Do you offer custom overmolding designs?

Yes. Our custom overmolding service adapts materials, geometry, and surface finish to your exact needs, delivering ergonomic, high-precision parts built for performance, reliability, and production efficiency.

Injection overmolding bonds multiple materials using controlled injection pressure and temperature. It’s widely used in automotive, electronics, and medical components for stronger, safer, and better-looking products.

Overmolded parts serve industries like automotive, consumer electronics, healthcare, and industrial tools where strength, comfort, and surface quality are essential for reliable product performance.

As an experienced overmolding manufacturer, we handle design, tooling, and production in-house. Our ISO-certified process ensures precision bonding, consistent quality, and dependable delivery for global clients.

During the overmolding process, we monitor temperature, pressure, and adhesion strength using automated systems. This ensures every part is defect-free, consistent, and built for lasting performance.

Let’s Build Your Next Overmolding Project

At Qlution Mold, we turn complex designs into reality through precision-engineered overmolding. Our ISO-certified systems, automated lines, and expert team ensure superior bonding, faster cycles, and flawless results for every client.

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