FKM Precompound

SF-351G is a fluoroelastomer precompound which include copolymer of hexafluoropropylene and vinylidene fluoride, curatives.

It is designed for the bonding seal such as crank shaft seals and valve stem seals.

Features of SF-351G are:

lÂ Â Â Â Â Â Â Â Â Â Excellent mold release

lÂ Â Â Â Â Â Â Â Â Â High elongation at break

lÂ Â Â Â Â Â Â Â Â Â Excellent bonding performance

lÂ Â Â Â Â Â Â Â Â Â Good mold flow

Recommended Processing Procedures

SF-351G can be compounded with internal mixers or two-roll mills with standard fillers and other ingredients that are used in typical fluoroelastomer formulations. All the dry ingredients should be blended before adding to the rubbery solid. During compounding, full cooling should be accompanied. After mixing, the compound should be cooled as quickly as possible.

Â Packing information

SF-351G is packaged with PE film in carton. The weight is 20kg net per carton.

Â Safety and handling

lÂ Â Â Â Â Â Â Â Â Â Store in well ventilated place

lÂ Â Â Â Â Â Â Â Â Â Smoking is forbidden Strictly in working areas

lÂ Â Â Â Â Â Â Â Â Â Avoid eye contact

lÂ Â Â Â Â Â Â Â Â Â Wash thoroughly any contacted skin and clothing After handling.

lÂ Â Â Â Â Â Â Â Â Â Further safety and handing guide, can follow the productâÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂs Material Safety Data Sheet or consult DowhonâÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂs people.

Typical properties of Vulcanizate

CompoundÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â PHRÂ Â Â Â Â Â Â

SF-351GÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 100Â Â Â Â Â Â Â Â

MT Black(N990)Â Â Â Â Â Â Â Â Â Â Â Â Â Â 30 Â Â Â Â Â Â Â Â Â

MgOÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 3Â Â Â Â Â Â Â Â Â

Ca(OH)2Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 6Â Â Â Â Â Â Â Â Â

Carnauba WaxÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 1Â Â Â Â Â Â Â Â Â

Rheological Properties

177?@ 6minÂ Arc 0.5

ML, lb-InÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 1.12Â Â Â Â Â Â Â Â Â

MH, lb-InÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 15.52Â Â Â Â Â Â Â Â

Ts2, minÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 1.15Â Â Â Â Â Â Â Â Â