High-Purity Hygienic Sealing Solution
Silicone sanitary gaskets are widely used in food, dairy, beverage, biotechnology, and pharmaceutical processing systems where hygiene, temperature stability, and material purity are critical. Made from high-quality food-grade silicone, these gaskets provide an excellent sanitary seal for Tri-Clamp fittings and ensure product safety in demanding hygienic applications.
2. Product Overview
Silicone offers exceptional flexibility, high-temperature resistance, and superior cleanliness, making it the preferred choice for hygienic pipelines. Its smooth, non-stick surface prevents bacterial buildup and supports frequent CIP/SIP cleaning cycles without degradation.

3. Features & Advantages
3.1 Hygienic sealing performance:
- Ensures leak-free connections for sanitary clamps and fittings.
3.2 High-temperature resistance:
- Stable from –60°C to +200°C, suitable for both hot and cold processing lines.
3.3 Excellent elasticity:
- Maintains compression and recovery over long-term use.
3.4 Chemical resistance:
- Compatible with food-grade cleaning agents, alcohols, and weak acids.
3.5 Non-toxic & food-safe:
Fully compliant with FDA and food-contact standards.
3.6 Smooth, easy-to-clean surface:
Resists microbial growth and prevents contamination.
4. Specifications
4.1 Technical Parameters
|
Property |
Unit |
Test Method |
Test Parameter |
Value |
|
Hardness |
Shore A |
ASTM D2240 |
- |
40–80 |
|
Tensile Strength |
MPa |
ASTM D412 |
- |
≥7 |
|
Elongation |
% |
ASTM D412 |
- |
≥300 |
|
Compression Set |
% |
ASTM D395 B |
22h / 175°C |
Excellent |
|
Temperature Range |
°C |
- |
- |
–60°C to +200°C |
4.2 Available Sizes(Standard Tri-Clamp)
|
Gasket Size |
OD of Gasket (inch) |
ID of Gasket (inch) |
|
1/2″ |
0.992 |
0.370 |
|
3/4″ |
0.992 |
0.620 |
|
1″ |
1.984 |
0.870 |
|
1 1/2″ |
1.984 |
1.370 |
|
2″ |
2.516 |
1.870 |
|
2 1/2″ |
3.047 |
2.370 |
|
3″ |
3.579 |
2.870 |
|
4″ |
4.682 |
3.834 |
|
6″ |
6.562 |
5.782 |
|
8″ |
8.602 |
7.782 |
|
10″ |
10.570 |
9.782 |
|
12″ |
12.570 |
11.760 |
All custom sanitary sizes are available.
5. Advantages
- High mechanical strength with flexible sealing performance
- Stable sealing under low or high torque
- Excellent pressure & vacuum resistance
- Prevents extrusion in high-flow sanitary piping
- Fully compliant with food & pharmaceutical-grade requirements
- Suitable for repeated CIP/SIP cycles
6. Applications
6.1 Food & Beverage Processing
- Dairy pipelines
- Beverage production lines
- Brewing equipment
6.2 Pharmaceutical & Biotechnology
- Sterile transfer systems
- Bioreactors
- Purified water piping
6.3 Cosmetics & Personal Care
- Mixing & blending pipelines
- High-viscosity fluid transport
6.4 General Sanitary Equipment
- Tri-clamp joints
- Pumps & valves
- High-pressure sanitary tubing
7. Packaging & Shipping
7.1📦 Packaging Options

Standard Packaging:
Sealed PE bags
Inner cartons with protective layers
Pallet packing for bulk shipment
Custom Packaging (Available on request):
Small pouch / small bag packing
Individual heat-sealed plastic bag with cardboard backing
Individual bubble-wrap protection
Light-proof black packaging
Customized labeling or barcodes
7.2🚚 Shipping Methods
DHL / FedEx / UPS express
Air freight for urgent orders
Sea freight for bulk orders
FOB / CIF / DDP trade terms available
8. Why Choose Us
- 20+ years of manufacturing experience
- Strict sanitary material control
- 36 advanced production lines
- Exported to 68+ countries
- Fast delivery and full customization available
Certification
Our gaskets comply with major international standards, including:
ISO 9001, ASTM D2000, FDA, NSF, WRAS, RoHS, REACH, CE, UL.
All materials are fully tested for physical, chemical, and hygienic performance to ensure long-term reliability in sanitary and industrial systems.


Contact US:
Xiamen Best Seal Imp and Exp Co.,Ltd
Tel: +86-592-5782315
Mob: +8618950159396
Email: yunying2@bestsealhk.com
Add: Unit 522-525, Gaodian Road 6#, Huli District, Xiamen, China
Hot Tags: silicone sanitary gasket, China silicone sanitary gasket suppliers, manufacturers, factory
