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Vibration from fan is not a nightmare anymore. XIGMATEK invents and patents an Anti-vibration rubber, AFK-R5251, to provide a fan faster for securing a heatsink and cooling fan. AFK-R5251 prevents vibration of the heatsink cooling fan during operation and avoids noise problem. Moreover, AFK-R5251 presents a faster and easier way for securing a heatsink cooling fan to a heatsink, which fits to different types of heatsink cooling fans.
Taiwan Patent No. M300837

FeaturesSpecificationApplicationDownload


Make Fan and Heat-sink closer to efficiently decrease noise and vibration.

Provide option of fan installed function for different type Heat-sink.

Much more convenient for installation or exchanging fans.


Reduces noise and vibration of fan.

Makes fan totally closed to fins for best performance.

Suitable to non-pillar-frame fans with Φ4.0 ~ Φ4.5mm and thickness 3.5 ~ 5.5mm.


Product Name

 Anti-Vibration Rubber 28L

Product Number

 AFK-R5251

Hardness Shore A

 ASTM-D792 55A

Specific Gravity

 ASTM-D2240 0.91

Tensile Strength (at break,kg/cm2)

 ASTM-D412 60

Elongaton (at break,%)

 ASTM-D412 650

Brittle Temp

 ASTM-D746 -55℃

Softening Point

 80℃~85℃

Outer Appearance

 Natural Black


Application.jpgSupports for fan frame thickness up to 5.5mm. (non-pillar-frame fans)




Application.jpgApplication.jpgUser's ManualApplication.jpg[ 377 KB ]