Custom Silicone Gaskets Manufacturer in China
ISO-Certified, Food-Grade & OEM Silicone Gasket Solutions
Introduction
Custom silicone gaskets are essential sealing components used to prevent leakage, vibration, dust, and noise across a wide range of industries. At Xiamen Jinshun Sealing Technology Co., Ltd., we specialize in designing and manufacturing custom silicone gaskets that deliver stable sealing performance, long service life, and full compliance with international standards.
Founded in 2002, Jinshun Sealing is a professional custom silicone gaskets manufacturer and exporter in China, serving global buyers in food & drinking water systems, home appliances, electronics, automotive, and industrial equipment. With ISO 9001:2015 and ISO 14001:2015 certified production, we support OEM and ODM projects from prototype to mass production.
What Are Custom Silicone Gaskets?
Custom silicone gaskets are sealing parts made from silicone rubber, tailored to specific dimensions, hardness, and application requirements. Unlike standard off-the-shelf gaskets, custom silicone gaskets are engineered to fit perfectly, ensuring reliable sealing even under extreme temperatures or long-term compression.
Silicone rubber is derived from silica (quartz) and offers a unique balance of flexibility, heat resistance, chemical stability, and safety, making it one of the most trusted gasket materials worldwide.
Our Custom Silicone Gasket Manufacturing Capabilities
As a leading silicone rubber gasket manufacturer, we can produce gaskets based on:
- Customer drawings (2D / 3D)
- Physical samples
- Application requirements
We manufacture silicone gaskets in diameters up to 2000 mm, with Shore A hardness from 15 to 80, covering both soft sealing and structural support needs.
Available Silicone Gasket Types
- Solid silicone gaskets
- Silicone sponge & foam gaskets
- Transparent silicone gaskets
- Food-grade & FDA-approved silicone gaskets
- Square, rectangular, and special-shaped gaskets
Color Options
White, red, black, blue, green, yellow, transparent, or custom colors on request.
Key Properties of Silicone Rubber Gaskets
1. Wide Temperature Resistance
Silicone rubber has one of the broadest operating temperature ranges among elastomers.
Working temperature:
-55°C to +260°C (-67°F to 500°F)
Special compounds can withstand short-term exposure up to 300°C (572°F)
This makes custom silicone gaskets ideal for both high-heat appliances and cold-environment applications.
2. Long-Term Durability & Aging Resistance
Silicone gaskets resist:
- UV radiation
- Ozone
- Oxidation
- Weather aging
Even after years of outdoor or high-temperature use, silicone maintains elasticity and sealing force better than most rubber materials.
3. Chemical Stability
Silicone is a chemically inert material and does not easily react with most substances. It performs well when exposed to:
- Water and steam
- Mild acids and alkalis
- Cleaning agents
- Food oils and beverages
Note: Silicone is not recommended for prolonged exposure to concentrated sulfuric acid, hydrofluoric acid, or high-pressure steam.
Technical Specifications (Customizable)
| Parameter | Standard Range |
|---|---|
| Material | Silicone Rubber (VMQ) |
| Hardness | Shore A 15–80 |
| Temperature Range | -55°C to +260°C |
| Max Diameter | Up to 2000 mm |
| Structure | Solid / Sponge / Foam |
| Colors | Custom available |
| Compliance | FDA, LFGB, NSF, WRAS, ROHS, REACH |
| Manufacturing | Compression molding, extrusion, die-cutting |
Typical Applications of Custom Silicone Gaskets
Our custom silicone gaskets are widely used in:
- Food & Drinking Water Systems – sanitary and food-safe sealing
- Home Appliances – ovens, coffee machines, water heaters
- Electronics & Electrical Equipment – insulation and moisture protection
- Automotive Parts – vibration damping and heat resistance
- Industrial Machinery – dust, oil, and chemical sealing
- Medical & Healthcare Devices – safe and non-toxic applications
Why Choose Jinshun as Your Silicone Gasket Supplier?
✅ 20+ years manufacturing experience
✅ ISO-certified quality & environmental management
✅ Raw materials compliant with ROHS, REACH, PAHS
✅ Products approved by FDA, LFGB, NSF, WRAS, UL
✅ Trusted long-term supplier for international brands
We don't just manufacture gaskets - we help customers reduce risk, control cost, and improve product reliability.
FAQs – Custom Silicone Gaskets
Q1: Can you manufacture custom silicone gaskets based on drawings or samples?
Yes. We fully support OEM and ODM projects based on drawings, samples, or functional requirements.
Q2: Are your silicone gaskets food-grade?
Yes. We offer FDA, LFGB, NSF, and WRAS-approved food-grade silicone gaskets.
Q3: What is the minimum order quantity (MOQ)?
MOQ depends on size, structure, and material. Trial orders are negotiable.
Q4: Do you offer transparent silicone gaskets?
Yes. Transparent and translucent silicone gaskets are available.
Q5: How do you ensure product quality?
Each batch undergoes strict dimensional, material, and performance inspections before shipment.
Looking for a reliable custom silicone gaskets manufacturer in China?
📩 Send us your drawings, samples, or application details today.
Our engineers will help you select the right silicone material and gasket design for your project.
👉 Website: https://www.jinshunsealing.com
👉 Email: ywb6@jinshunxm.com
👉 OEM, ODM & Wholesale Inquiries Welcome
