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Flurine®H Series Fluoroelastomer

Flurine®H Series Fluoroelastomer

Flurine®H Series Fluoroelastomer
CategoriesFKM
AlbumView larger image
BrandFlurine
ModelH228 H728
FeaturesHigh fluorine content. High fluidity
UsesShaft seals, oil seals, fuel hose. Extrusion molding
FormsWhite or light-yellow flake
Update Time2019-11-21
Detail Information

Flurine® H series is a low and middle Mooney bisphenol-vulcanized fluoroelastomer with a fluorine content of 69%. It is a copolymer of vinylidene fluoride (VF2) and hexafluoropropylene (HFP). It is commonly used in automotive, hydraulic, electrical and chemical industries. It has excellent extrusion processability, excellent chemical resistance, low expansion rate, low fuel permeability, especially for fuel hoses.

General

Features

High fluorine content. High fluidity

Uses

Shaft seals, oil seals, fuel hose. Extrusion molding

Forms

White or light-yellow flake

Items

Typical Value

Test Method

H228

H728

Physical Properties

Fluorine Contentmass%

69

69

 

Densityg/cc

1.85~1.90

1.85~1.90

ASTM D297

Mooney Viscosity

20~49

50~99

ASTM D1646 ML 1+10 at 121°C

Water content

0.15

0.15

ASTM D 5668

Vulcanization Properties

T10(s)

<260

<120

ASTM D5289

T90(s)

<420

<360

ASTM D5289

Mechanical Properties

Tensile strengthMPa

11

11

ASTM D412 Method A

100% Modulus

4.2

4.4

ASTM D412 Method A

Elongation at Break%

160

160

ASTM D412 Method A

Tearing StrengthKN/m

15

18

ASTM D624

Hardness, Shore A

77

77

ASTM D2240, Type A

Compression Set

35

35

ASTM D395, Test B 70 hours at 200℃

Thermal Properties

TR10(℃)

-17

-17

ASTM D1329

Brittleness Temperature(℃)

-30

-30

ASTM D2137

Chemical resistance Properties

Resistance to liquids

Methanol, 23℃×70h

Tensile strength change rate%

-10

-8

ASTM D412 Method A

Elongation at Break change rate(%)

+20

+18

ASTM D412 Method A

100%Elongation change rate(%)

-12

-10

ASTM D412 Method A

Hardness change, Shore A

-4

-3

ASTM D2240, Type A

Volume change rate(%)

+3.5

+3.3

 

Formulation

Curing condition

Polymer            100      MT carbon black,N990   30

Calcium hydroxide    6        Magnesium oxide         3

Fluorocure-5#        2.5

Press

Oven

10min at 177°C,0.5°

24h at 230°C


1)Store and use all fluoroelastomers only in a well-ventilated area.

2)Do not smoke in areas contaminated with dust from fluoroelastomers.

3)Avoid eye contact. After handling fluoroelastomers wash any skin that came in contact with the product with soap and water.

4)Potential hazards, including evolution of toxic vapors, exist during compounding or processing under high temperatures. 

5)Before processing the fluoroelastomers, read and consult the MSDS, and follow all label directions and operation cautions.


1)Fluoroelastomers be packed in PVC bags in the shape of rubber film, each bag weight 5KGS, and finally be put into a carton. Each carton contains 5 bags with net weight 25KGS.

2)It must be stored in a clean, cool, and dry place. The storage life is one year from the date of production. It must be re-inspected if over one year and only can use if qualified.

3)It is transported as non-dangerous chemicals. Avoid excessive vibration and far away from pollution, sunshine and water during the transport.

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