Custom Silicone Plugs & Stoppers | Molded Silicone Hole Plugs

Transparent custom molded silicone threaded bottle plug, food safe sealing stopper for bottle opening

Silicone stepped reducing adapter, multi‑size flexible silicone joint for tube connection

White flat solid silicone end cap, dust‑proof silicone sealing plug for pipe and bottle mouth

Grey silicone screw‑style sealing plug, leak‑proof silicone stopper for container neck

White silicone inner insert plug, tight‑fit sealing stopper for bottle mouth

Purple flexible hollow silicone bottle stopper, soft elastic silicone sealing plug

1 / 7

Silicone Molded Parts

Custom Silicone Plugs & Stoppers | Molded Silicone Hole Plugs

Custom molded silicone plugs and stoppers for hole sealing, pipe capping and component protection. Suitable for equipment ports, containers, cabinet holes and pipe ends. Custom sizes, shapes, hardness and colors available. Good temperature resistance, compression‑set performance and sealing reliability.

Category: Silicone Molded Parts
Material Grade: Industrial Grade / Food Grade / Hygiene Grade / Eco-friendly / Odorless / Sanitary grade
Hardness Range: 30-80 Shore A
Temperature Range: -40℃ ~ +200℃
Production Process: Molding / Custom Fabrication
Customization: Size / Color / Hardness / Structure / Logo / Packaging / MOQ Negotiable
Lead Time: Sample 3–7 days, Mass production 10–20 days
Sample Support: Free samples available. Fast prototyping and custom mold support for your silicone plug and stopper designs.

Inquiry Now WhatsApp

Product Parameters

Density

1.1-1.2 g/cm³

Tensile Strength

≥5.0 MPa

Elongation at Break

≥300 %

Compression Set (22h@175°C)

≤20 %

Product Display

Production Process

In-house Molding, Custom Fabrication lines with full process control from raw material inspection to final shipment.

1. Raw Material Receiving

2. Rubber Compounding & Mixing

3. Cutting & Pre‑forming

4. Mold Preparation

5. Material Loading

6. Compression Molding & Vulcanization

7. Demolding

8. Trimming & Deflashing

9. Packaging

Applications

Industrial equipment (pneumatic & fluid systems, mechanical sealing）

Food & Beverage Machinery

OEM/ODM Service

We provide full OEM & ODM service for custom silicone plugs, stoppers and related sealing parts.
‑ Accept custom drawings, samples or concept design
‑ Develop new molds according customer requirements
‑ Multiple color, hardness and surface options
‑ Negotiable MOQ for both standard and custom items

Leave A Message

Tell us the size, hardness, material grade and quantity you need. Our engineering team replies with a quotation and technical proposal within one working day.

Full Name *

Company

Email *

Phone / WhatsApp

Country / Region

Estimated Quantity

Message / Requirements *

By submitting, you agree to our privacy policy. We will never share your information.

Email: daisy@haiwangsilicone.com WhatsApp: +86 152 4020 7671