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Product image O-ring 28.25×2.62 VMQ 70 Shore A

OR-VMQ70-28-25x2-62-RB60147

O-ring 28.25×2.62 VMQ 70 Shore A

This VMQ silicone O-ring is the ideal choice for food contact, medical applications and extreme temperatures from -60 °C to +200 °C.

SKU
OR-VMQ70-28-25x2-62-RB60147
Article number
60147
Dimensions
28.25 × 2.62 mm
Material
VMQ · 70 Sh A

excl. VAT

From €0.50

€0.62 incl. VAT

On demandExternal supplier

Available to order — approx. 5 days

    Certifications

    Need a price for a larger volume?

    VMQ O-ring 28.25 × 2.62 mm (inner diameter 28.25 mm, cross-section 2.62 mm). Outer diameter 33.49 mm. Hardness 70 Sh A. Temperature range -60 °C to 200 °C. Standard ISO3601-28.25x2.62. Certifications: FDA, USP_CLASS_VI.

    Inner diameter (ID)
    28.25 mm
    Cross-section (CS)
    2.62 mm
    Outer diameter (OD)
    33.49 mm
    Dimensions
    28.25x2.62
    Material
    VMQ
    Hardness
    70 Sh A
    Colour
    red
    Temperature range
    -60 °C to 200 °C
    Standard code
    ISO3601-28.25x2.62
    ISO 3601 size
    28.25x2.62
    SKU
    OR-VMQ70-28-25x2-62-RB60147
    Country of origin
    DE
    Availability
    On demand

    Technical specifications

    MaterialVMQ
    Shore hardness70 Sh A
    Colorred
    Temperature range-60 °C to 200 °C
    Tensile strength8 MPa
    Ultimate elongation400 %
    Compression set22 %
    Specific gravity1.25 g/cm³
    CertificationsFDA, USP_CLASS_VI

    Cross-standard size references

    Standard code
    ISO3601-28.25x2.62
    ISO 3601
    28.25x2.62
    DIN 3771
    28.25x2.62

    Material properties

    Silicone rubber (VMQ) has an outstanding temperature range from -60 °C to +200 °C (short-term +230 °C) and excellent biocompatibility. It offers superb resistance to ozone, UV radiation, water, polar solvents, dilute acids and most foods. Available grades with FDA, USP Class VI, BfR, EC 1935/2004 and 3A certification for food and pharmaceutical industries. Its weak mechanical strength is compensated by static applications — not suitable for dynamic sealing functions with high friction loads.

    Material
    VMQ
    Chemical name
    Silicone Rubber (Methyl Vinyl Siloxane)
    Material grade
    Silicone, MVQ, Silastic
    Trade names
    Dow Corning Silastic, Wacker Elastosil, Shin-Etsu KE

    Suitable for various industries

    Silicone O-rings are used in the food industry (CIP/SIP systems, milking machines, packaging lines), medicine (inhalers, catheters, dialysis equipment), pharmaceuticals (fermenters, valves), cosmetics and high-temperature static sealing applications.

    Application notes

    Ideal for food industry, pharmaceuticals and static high-temperature seals. Avoid dynamic applications with mineral oils — weak mechanical strength. For heavy steam prefer peroxide-cured EPDM.

    Advantages

    • Extreme temperature range -60 °C to +200 °C (short-term +230 °C)
    • Excellent biocompatibility for food and medical applications
    • Available FDA, USP Class VI, BfR and 3A certifications
    • Resistant to ozone, UV and weathering
    • Available in colours (red, white, blue, transparent)

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    Documentation

    Download datasheet (PDF)
    See all materials in size 28.25 × 2.62 mm

    Frequently asked questions about this O-ring

    What is the temperature range of a VMQ O-ring?
    This VMQ O-ring is rated for continuous service of roughly -60 to 200 °C. The material tolerates brief temperature peaks higher, but near the limits service life drops significantly. If you operate at the edge of the range, ask our technician about a more suitable compound.
    What media is VMQ resistant to?
    VMQ (silicone/PTFE type) is physiologically harmless and covers a wide temperature range, so it suits food and medical applications. Its resistance to oils and mechanical abrasion is lower than NBR's — for oils, consider FVMQ or FKM. For a specific medium, check compatibility in our chemical-resistance chart.
    What do the dimensions of this O-ring mean?
    The size 28.25 × 2.62 mm gives the inner diameter × cross section. The inner diameter must fit the groove or rod; the cross section sets the seal thickness. When replacing, do not confuse inner diameter with outer diameter. If you search by standard (AS568, ISO 3601, JIS), use our cross-reference finder.
    What does 70 Shore A hardness mean?
    A hardness of 70 Shore A expresses the stiffness of the rubber: a lower number (50–60) is softer and seals an uneven surface better, a higher one (80–90) better resists pressure and extrusion from the groove. For most common applications the optimum is around 70 Shore A. Under high pressure, choose a harder material and possibly a back-up ring.

    Read the VMQ material guide