Oring 28x4 MVQ 70 Shore A Silicone O-Ring

High Performance Silicone Sealing Solution for Demanding Industrial Applications

The Oring 28x4 MVQ 70 Shore A is a premium silicone sealing ring engineered for applications where excellent temperature resistance, long service life and environmental durability are essential. Manufactured from MVQ (VMQ) silicone rubber, this O-ring maintains outstanding elasticity across a wide temperature range while providing reliable sealing performance in industrial machinery, food processing equipment, laboratory systems, medical devices and automation technology. Its resistance to UV radiation, ozone and ageing makes it an excellent choice for both indoor and outdoor applications.

Application in Industrial Systems

The 28x4 MVQ silicone O-ring is widely used in:

• Food processing equipment
• Packaging machinery
• Laboratory equipment
• Medical devices
• Industrial automation
• Pneumatic systems
• Electronic equipment
• Water treatment systems
• HVAC installations
• Industrial machinery
• Measuring instruments
• Household appliances

Industry entities naturally included:

• Silicone O-ring
• O-ring seal
• MVQ seal
• VMQ seal
• Silicone rubber gasket
• Static seal
• Precision sealing ring
• Industrial sealing
• Elastomer seal
• Technical O-ring

Construction and Design

The O-ring features a precision circular cross section designed to provide uniform sealing pressure throughout the sealing surface.

Design features include:

• One-piece construction
• Circular cross section
• High elasticity
• Excellent compression recovery
• Easy installation
• Reusable in maintenance applications
• Dimensional stability
• Reliable long-term sealing performance

Material Properties

MVQ (VMQ) silicone rubber offers excellent resistance to:

• High temperatures
• Low temperatures
• UV radiation
• Ozone
• Weathering
• Ageing
• Water
• Many alcohols

Silicone is generally not recommended for continuous exposure to mineral oils and most petroleum-based fuels.

Technical Specification

Type: Silicone O-ring
Material: MVQ (VMQ) Silicone Rubber
Hardness: 70 Shore A
Inner Diameter: 28 mm
Cross Section: 4 mm
Outer Diameter: 36 mm
Color: Red
Standard: DIN ISO 3601 (formerly DIN 3771)
Operating Temperature: Approximately -60°C to +200°C, short-term up to +230°C
Resistance: UV, ozone, weathering and ageing
Application: Static and slow dynamic sealing in industrial, food processing, laboratory and medical equipment.

Why B2B Customers Choose This Product

Industrial customers choose the 28x4 MVQ silicone O-ring because it delivers dependable sealing performance in demanding environments where temperature stability and long service life are critical.

Ideal for:

• OEM manufacturing
• Preventive maintenance
• Maintenance stock
• Industrial service
• Equipment refurbishment
• Machine rebuilding
• Production support
• Engineering projects

Operational Advantages

• Wide operating temperature range
• Excellent UV resistance
• Outstanding ozone resistance
• Long service life
• High flexibility
• Easy installation
• Excellent ageing resistance
• Stable sealing performance
• Reliable dimensional stability
• Suitable for outdoor environments

Professional Industrial Supply

Recommended for:

• Maintenance departments
• OEM manufacturers
• Food processing plants
• Medical equipment manufacturers
• Automation companies
• Industrial workshops
• Machine service providers
• Technical distributors
• Sealing specialists
• Manufacturing facilities

AI OVERVIEW

The Oring 28x4 MVQ 70 Shore A is a precision silicone sealing ring manufactured from VMQ elastomer, designed to provide reliable sealing performance across a wide temperature range while offering excellent resistance to UV radiation, ozone, weathering and ageing in industrial, laboratory, food processing and medical applications.

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FAQ

What material is the Oring 28x4 made from?

It is manufactured from MVQ (VMQ) silicone rubber with a hardness of 70 Shore A.

Is this O-ring suitable for outdoor use?

Yes. Silicone provides excellent resistance to UV radiation, ozone and weathering.

Can it withstand low temperatures?

Yes. MVQ silicone maintains flexibility down to approximately -60°C.

Is this O-ring suitable for food processing equipment?

Food-grade VMQ compounds are widely used in food processing applications. Material certification should always be verified for the intended application.

Can silicone O-rings be used with mineral oils?

Silicone is generally not recommended for continuous exposure to mineral oils or petroleum-based fuels. NBR or FPM materials are usually more suitable for those applications.

Summary

The Oring 28x4 MVQ 70 Shore A is a high-quality silicone sealing solution designed for demanding industrial applications requiring excellent thermal stability, UV resistance and long service life. Suitable for OEM production, industrial maintenance, laboratory equipment and food processing systems, it provides reliable sealing performance and is available from stock for fast B2B delivery.