Leading plastic bathtub mould maker in China

YuanCheng Mold is a leading manufacturer, exporter and supplier of plastic bathtub moulds. We offer folding bathtub moulds and a wide range of plastic bathtub moulds. Our plastic bathtub moulds are exported to various countries such as Argentina, Spain, Russia and Brazil.

Plastic bathtub mould service

YuanCheng Mold is a leading manufacturer of bathtub moulds in China. The bathtub moulds produced are widely appreciated for their robust construction, low tolerances, durable machining standards and dimensional accuracy.

Customise your bathtub mould

We offer our customers a one-stop plastic injection moulding service. We offer a wide range of plastic bathtub moulds in different designs and sizes to meet the different needs of our customers.

  • Feasibility studies
  • Mould Flow Analysis
  • Full 3D mould design
  • Powerful engineering support
  • Optimised design solutions
plastic bathtub mould sale point

Classification of plastic bathtub moulds

YuanCheng Mold specialises in manufacturing plastic bathtub moulds. We can provide bathtub moulds with different processes and specifications, such as 2K bathtub injection molding, folding bathtub mould, acrylic bathtub mould, etc.

baby bath tub mould

Baby bathtub mould

Baby bathtub moulds are mainly made of polypropylene or acrylic, and we mainly use hot runner technology.
plastic adult bathtub mould

Adult bathtub mould

YuanCheng manufactures plastic adult bathtub moulds from P20, 718 or bespoke mould steels. This gives the moulds a robust structure and high strength.
folding bathtub mould

Folding bathtub mould

Folding bath moulds are mainly made using 2K injection moulding technology, where the plastic is injected into the mould by several separate injections.

Factory introduction

We use state-of-the-art equipment and adhere to strict quality control measures to ensure that each mold we create is up to our high standards.

Bucket Mould Parameters
Mold Cavity: 1 &2 &4 Cavities
Steel hardness: HRC30-35 for base material.
HRC45-48 for core and cavity material.
HRC60-62 for special parts material
Core &Cavity Steel 2316#steel, S136, H13, 718, SKD61, P20, S50C, 45#steel, 4Cr13,
3Cr13, BeCu or based on customer’s requirement.
Mold Injection System: Cold Runner System.Hot Runner System (Taiwan Brand)
Mold Ejection System: Pin gate, Submarine gate, Valve gate etc
Mold Cycle Time: 10 ~ 18 ± 2 Seconds
Plastic material PP,,PE,HDPE etc.
Mold Running: 1 year Guarantee; Shots guarantee 1 million under the normal operation and period maintenance
Mold Delivery Time: 80 ~ 100 working days to T1 sample delivery
Mold Features: High Polish
Mould life At least 1.5million Shots
Delivery time: 30-60days
Packing details: Standard export packing way



YuanCheng Mold allows a minimum order quantity service. Customers can order less in order to meet their needs or to meet their budget.

Yes, we do. We will guarantee 100% confidentiality for our customers’ mold designs.

Yes, we perform a series of quality tests on our molds before they leave our factory.

We will carefully check the mould injection dimensions, fittings and mark corrections.

Before packing and shipping, we will send the mold test video and photos to the customer. Trial samples are sent to the customer by courier and approved. Final test inspection is carried out after final corrections are completed.

1. Daily maintenance

Lenses and highly polished surfaces should be protected according to specific instructions.

All water pipes should be drained and blown dry of all residual water to avoid rusting due to water build-up.

No water should be trapped in the bath moulds.

2. Inspection and maintenance

In normal use, we should pay attention to the following points.

  • Note any missing parts or blocked cavities.
  • Keep a sample of the blocked cavity for the mould manufacturer to carry out repairs.
  • Clean the mould with a safe solvent to remove varnish and build-up from the moulding process.
  • Check the depth of the vent holes at least four clock face locations around the cavity face.

Case Studies

YuanCheng Mold specializes in manufacturing quality molds for injection molding of household products. The following case study is a research on the design of plastic bathtub mould by our engineers.

Folding bathtub mould design
case study

    Are you in need of a plastic bathtub mould?

    Look no further than YC Mold. Our team of experienced professionals can design and produce a high-quality mold that meets your specific requirements.

    Plastic bathtub mould guide

    As an injection mould manufacturer, YuanCheng Mold exports many injection moulds and parts to various countries around the world, including Europe. In addition, we have excellent in-house production capabilities, up-to-date production facilities and a unique specialized organization in plastic injection. Our goal is to provide our customers with plastic bathtub moulds to their satisfaction.

    Figure 1 Plastic Bathtub Mould

    Figure 1: Plastic bathtub mould

    Plastic bathtub mould design

    Plastic bathtub mould design is a decisive factor for successful molding, such as the size and position of the gates, the size of the shear edges, flow aids, cooling, and ejector technology.

    Here are a few elements of plastic bath mould design.

    1. Consider material shrinkage
    2. Uniform wall thickness
    3. Radius to the edge
    4. Slope of the extracted mould
    5. Surface finish (finishing)

    Plastic bathtub mould molding materials

    The choice of material plays a crucial role in the strength and flexibility of the bathtub. Addressing specific requirements early in the design process can help you avoid costly changes later. Balancing properties such as stiffness, durability and toughness are key to achieving optimum part function. It is also important to understand some of the key differences between the resins commonly used in bathtubs.

    Polypropylene is a flexible thermoplastic for use in plastic bathtubs. It is considered to be a highly flexible resin that can be manipulated in a number of ways without losing its original shape. Polypropylene is also solvent and chemical-resistant and UV resistant.

    Known for its strength and impact resistance, ABS has a relatively low melting point and is easy to mould. It provides excellent toughness even at low temperatures.

    Figure 2 Example of Plastic Bathtub Mould

    Figure 2: Example of Plastic Bathtub Mould

    Why choose us for custom plastic bath moulds?

    Here’s how we handle the process of your order. From quotation to tooling, because our efficient team ensures that you receive your moulds within the scheduled delivery time.

    Request an instant quote

    When you contact us, our expert engineers will respond within 24 hours to ensure the process runs smoothly.

    DFM Report

    To ensure we can produce functional moulds, we will review the feasibility of your design to ensure we can meet the requirements before we start production.

    Mould flow analysis

    Predictive modelling software helps us to understand how molten material moves and acts within the mould, which helps us to make improvements.

    Mould tooling production

    Using your preferred material allows us to produce high quality moulds that can be easily adapted to your application.

    T1 sample inspection

    T1 samples will be delivered for your review to ensure accuracy and quality before the plastic part is manufactured.

    Rigorous inspection

    We follow international tolerance standards to ensure that our parts meet your parameters.


    While our team handles the packaging to neatly protect our moulds for shipping, we work with logistics companies to arrange for timely delivery to your area.