Combined performance
FVMQ combines silicone-family temperature and weathering characteristics with improved fuel and hydrocarbon-fluid resistance.
FVMQ (fluorosilicone) compound
Industrial fluorosilicone rubber
A technical reference for Hamta Polymer FVMQ compounds from 40 to 70 Shore A. Fluorosilicone is assessed where low-temperature flexibility, weather resistance and fuel exposure must be balanced. Exact fuel, hydraulic fluid and service conditions require application review.
-60 to +175 C
Typical service temperature
4
Standard hardness grades
MIL / ASTM
Test references
Application-specific
Fuel resistance
Low-temperature use
It is assessed for seals needing flexibility in low-temperature conditions, subject to the actual medium and hardware design.
No blanket compatibility
Ketones, brake fluids and every aviation or hydraulic fluid must be individually verified before approval.
Hamta Polymer FVMQ (Fluorosilicone) general specifications
Chemical nameFluorosilicone rubber
Standard designationFVMQ (ASTM D1418)
Available hardness range40 to 70 Shore A
Typical service range-60 to +175 C, depending on compound and application
Weather resistanceExcellent UV, ozone and weathering resistance
Specific gravity1.40 to 1.50 g/cm3, depending on formulation
Technical datasheet
FVMQ (Fluorosilicone) datasheet by hardness
Choose a hardness grade to view the recorded mechanical properties, units and test references.
| Property | Symbol | Unit | Value | Standard |
|---|---|---|---|---|
| Hardness | H | Shore A | 70 +/- 5 | ASTM D2240 / ISO 7619 |
| Tensile strength | TS | MPa | ≥ 6.5 | ASTM D412 / ISO 37 |
| Elongation at break | EB | % | ≥ 160 | ASTM D412 / ISO 37 |
| 100% modulus | M100 | MPa | 2.8 – 5.0 | ASTM D412 / ISO 37 |
| Tear resistance | TR | kN/m | ≥ 13 | ASTM D624 / ISO 34 |
| Compression set | CS | % | 14 – 20 | ASTM D395-B / ISO 815 |
| Resilience | R | % | 30 – 44 | ISO 4662 |
| Recorded technical property | ρ | g/cm³ | 1.50 +/- 0.05 | ASTM D792 / ISO 2781 |
| Dielectric strength | Eb | kV/mm | ≥ 17 | ASTM D149 / IEC 60243 |
| Typical service temperature | T | °C | -60 ~ +175 | - |
| Recorded technical property | — | % | ≤ 12 | ASTM D471 |
FVMQ (Fluorosilicone) chemical-resistance guidance
This is an orientation aid, not a final compatibility approval. Confirm the specific medium, concentration, temperature and exposure cycle with the technical team.
Fuel and hydrocarbon media
Selected aviation and hydrocarbon fuelsGood
Selected hydraulic fluidsGood
Weather exposure
Ozone, UV and weatheringExcellent
Low-temperature environmental exposureExcellent
Aqueous media
Water and aqueous media subject to reviewFair
Hot water and steamFair
Unsuitable media without specialist review
Ketones including acetone and MEKPoor
DOT 3 / DOT 4 brake fluidsPoor
Excellent
Good
Fair
Poor
Technical notes and limitations
1
Values are typical laboratory guidance for the stated test methods. Finished-part results can vary with formulation, cure, geometry and production conditions.
2
FVMQ is not a blanket aviation approval. Any MIL or AMS requirement must be verified against the exact compound, specification and finished application.
3
Material selection must be confirmed against the actual medium, temperature cycle, load, motion and relevant product requirements before final approval.
4
Material codes, numerical values, units and standards are shared technical identifiers; the explanatory English copy is authored for this page.
Where is FVMQ (Fluorosilicone) considered in our product range?
These product families can be explored from the English product hub. Suitability is determined by the final application, not by the material code alone.
Need help selecting an FVMQ grade?
Share the fluid, temperature range, pressure, motion and target quantity with Hamta Polymer for an application-specific discussion.