Description of LR-F5400 High Resilience Series Fluorosilicone Rubber
Chemical Name
High Resilience Series Fluorosilicone Rubber
Synonyms
Fluorosilicone gum
Equivalents
Typical Technical Properties of LR-F5400 High Resilience Series Fluorosilicone Rubber
Test Item
Standard
Test Method
LR-5430
LR-5440
LR-5450
LR-5460
LR-5470
LR-5480
Appearance
Visual
Milk white, translucent
Pale yellow
Specific Gravity (g/cm3)
ASTM D792
1.38
1.41
1.42
1.43
1.45
1.47
Hardness / shoreA
ASTM D2240
28
40
48
60
70
80
Tensile Strength (MPa)
ASTM D412
10.2
9.5
9.5
10.2
9.9
8.1
Elongation At Break (%)
ASTM D412
485
494
363
296
241
159
Tear Strength (KN/m)
ASTM D624-B
18
26
19
22
21
16
Resilience (%)
ASTM D1054
41
35
46
40
37
39
*Heat Resistance
225°C X 72h
Hardness change / shore A
2
2
3
2
2
3
Tensile strength change %
-18
-17
-21
-25
-20
-19
Elongation at break change %
-19
-16
-18
-21
-16
-15
Fuel C
Volume change/%
23°C/72h
ASTM D471
22
19
18
19
19
19
Curing Condition
0.7 DBPH, Press cure: 170°C x 15min, Post cure: 200°C x 4h
The above values are not intended for use in preparing specifications.
Heat resistance additives need to be added to meet the requirements of heat resistance.
Processing Advice of LR-F5400 High Resilience Series Fluorosilicone Rubber
It is recommended to use 0.6 ~ 1 phr. 2,5-Dimethyl-2,5-di(tert-butylperoxy)hexane(DBPH).
The customer shall decide the optimum curing temperature and time according to the product dimensions and curing methods.
Package &Storage of LR-F5400 High Resilience Series Fluorosilicone Rubber
Packed in plastic bags placed into reinforced cardboard boxes. Each box contains 2 bags with 10kg per bag.
Keep in cool, dry and ventilated place. Keep away from sunlight and fire sources. This product has cold-flow characteristics, should avoid bag breakage in the process of transportation and usage, shelf life is 12 months from the date of production. It is shipped as non-hazardous substance.