Fluoroelastomer is white/amber and semi-tranparent elastomer and it is odorless, nontoxic, non-flammable. Fluoroelastomer owns excellent resistance to heat,oil and chemicals and it has outstanding physical-mechanical properties and resistance to weathering and can be dissolved in low M.W ketones and esters.
Specification:
Property
Value
FKM 01A
FKM 02A
FKM 03A
FKM 04A
Gum
Density (g/cm3 )
1.78~1.82
1.80~1.84
1.80~1.84
1.80~1.84
Mooney Viscosity, ML(1+10)121
20
¡À
10
30
¡À
10
40
¡À
10
50
¡À
10
60
¡À
10
70
¡À
10
80
¡À
10
90
¡À
10
100
¡À
10
110
¡À
10
140
¡À
20
180
¡À
20
Tensile strength, MPa,
7.5
8.0
8.0
9.0
Elongation at break, %
150
150
160
160
Vulcanizate
(After aging 24 hr. at 275)
Tensile strength, (MPa)
Elongation at break, (%)
7.0
140
7.5
140
7.0
150
8.0
150
Compression Set, (%) Min
(200X24h,compression rate 30%)
25
20
55
55
Solvent Resistance (1#aviation kerosene, 200 X 24hr, measured by
weight increment), (%)
5
5
5
5
Note: In the standard test formula, FKM2601 and FKM2602 adopt Bisphenol AF curing system, while FKM2603 and FKM 2604 use curing agent 3# . Recommended curing temperature: 170¡À5.
Grades
Features
Main applications
FKM 01A20
Low viscosity, non-sticky to rollers, excellent polymer rheological properties
Modifying the viscosity of high Mooney fluoroelastomers;
Injection molding of "o" ring, extruding parts with complex outline.
FKM 01A30
FKM 01A40
Moderate viscosity, good polymer rheological property
For general purpose as producing "o" ring by press molding, transfer moulding or injection moulding, and extruding hoses
FKM 02A50
FKM 02A60
Middle and high viscosity, good milling and calendering performance.
Calendaring sheet, skeletal oil seal, extruded hose etc.
FKM 03A70
FKM 03A80
FKM 03A90
FKM 03A100
High viscosity, high gum strength
Making general parts by press moulding, and oil seals with Bisphenol AF/BPP curing system.
FKM 04A110
FKM 04A140
Ultra-high viscosity, excellent physical and mechanical properties
Making parts by press molding. producing high strength vulcanized products.
Application:
Our FKM is equal to Dupont VITON A.
Widely used in aviation, automobile, petroleum and chemical industries, instruments and apparatus, architecture, etc.
Mainly used to produce sealing parts requiring good resistance to high temperature, oil and corrosion, such as O" rings, "V" rings, gasket, sealing bowl with metal bone, tube/hose, etc.
Plastic
Fluoroelastomer (FKM)
