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Flurine®L Series Fluoroelastomer
Categories FKM Album View larger image Brand Flurine Model L Series Features Low temperature resistance Uses Shaft seal, O-ring, fuel pipe. Extrusion molding Forms White or light-yellow flake Download DOC Update Time 2021-01-19 Detail InformationFlurine® L series is a low-middle Mooney bisphenol-vulcanized fluoroelastomer with a fluorine content of 66%. It is a copolymer of vinylidene fluoride (VF2), hexafluoropropylene (HFP) and perfluoroalkyl vinyl ether (PMVE). It is commonly used in automotive, hydraulic, electrical and chemical industries. It has excellent heat and chemical resistance.The outstanding performance is low-temperature elasticity, which are particularly suitable for O-ring seals for fuel injectors.
General
Features
Low temperature resistance
Uses
Shaft seal, O-ring, fuel pipe. Extrusion molding
Forms
White or light-yellow flake
Items
Typical Value
Test Method
L228
L728
L228A
L728A
Physical Properties
Fluorine Content(mass%)
65
65
Density(g/cc)
1.78~1.82
1.78~1.82
ASTM D297
Mooney Viscosity
20~49
50~89
20~49
50~89
ASTM D1646 ML 1+10 at 121°C
Water content(%)
0.15
0.15
ASTM D 5668
Vulcanization Properties
T10(s)
<130
<160
ASTM D5289
T90(s)
<240
<300
ASTM D5289
Mechanical Properties
Tensile strength(MPa)
13
13
ASTM D412 Method A
100% Modulus
6
6
ASTM D412 Method A
Elongation at Break(%)
180
180
ASTM D412 Method A
Tearing Strength(KN/m)
15
15
ASTM D624
Hardness, Shore A
75
75
ASTM D2240, Type A
Compression Set
16
16
ASTM D395, Test B 70 hours at 200℃
Thermal Properties
Low temperature retraction, TR10(℃)
-19
-21
GB/T 7758
Brittleness Temperature(℃)
-27
-34
GB/T 15256
Chemical resistance Properties
Resistance to liquids
Methanol,23℃×70h
Tensile strength change rate(%)
-10
-10
ASTM D412 Method A
Elongation at Break change rate(%)
-9
-9
ASTM D412 Method A
100%Elongation change rate(%)
-12
-12
ASTM D412 Method A
Hardness change, Shore A
-1
-1
ASTM D2240, Type A
Volume change rate(%)
+2
+2
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.Please send your message to usCONTACT US TO GET DETAILED PRODUCT SPECIFICATIONS
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