Special properties:

• Excellent wear & tear resistance; excellent ozone resistance & weather resistance
• Heat resistance comparable to silicone rubber, better than any other rubber; excellent resistance to superheated water or water vapor, excellent high vacuum resistance Good
• Excellent corrosion resistance, excellent resistance to moderate doses of radiation
• Good low temperature performance
• Good storage stability
• Excellent antistatic property in low frequency and low voltage occasions
• Calendering, extrusion fast, smooth surface, high strength, high hardness & low pressure deformation,high chemical stability

 

Main applications:

• FKM premix rubberare mainly used in high and low temperature sealing, vacuum instrument equipment, chemical equipment, automobile, aviation and other fields. It is also one of the indispensable high-performance materials for modern aviation, missiles, rockets, space navigation, ships, atomic energy and other cutting-edge science and technology.

 

Characteristics:

Type    …………………………………………………………………….FKM

Natural color……………………………………………………………. translucent

Relative density, g/cm3………………………………………………. 1.85-1.95

Fluorine content………………………………………………………….. 60±5%

Moisture content, %………………………………………………………≤0.1

ML 1+4@100℃……………………………………………………..40±5

Volatile content…………………………………………………………. <1.0%

Color …………………………………………………………………………White

Curing Condition:   (1) 1^st vulcanization at 175 ℃ × 10min

(2) 2^nd vulcanization at 230℃×16h.

 

Reference recipe :(phr)

FKM premixed rubber	100
N990	30
MgO	3
Ca(OH)2	6
WS280	1
Palm wax	1

 

 

Product performance:

product name			LXF100CA	LXF200CA
Project	Test Methods	Unit	Typical value
Mooney viscosity（ML 1+4@100℃）			53	48
Vulcanization performance test：180℃×5min×1arc
Minimum torque	ASTM D2048	lb-in	0.40	0.38
Maximum torque		lb-in	9.02	8.46
Scorch Time TS2		s	72	73
Positive vulcanization time TC90		s	140	136
1、Mechanical properties 1.1 First vulcanization: 175℃×10min, Second vulcanization: 230℃×16h
Proportion	ASTM D297	g/cm3	1.938	1.936
Hardness (Shore A)	ASTM D2240	Points	70	70
Tensile strength	ASTM D412	MPa	11.28	10.58
Elongation at break		%	257	248
M100		MPa	5.45	5.40
1、 Mechanical properties 1.2 Changes in properties after aging at 200°C for 504 hours
Hardness (Shore A) change	ASTM D2240	Points	+3	+5
Change in breaking strength	ASTM D412	%	-4.2	-8.0
Elongation	ASTM D412	%	-15.5	-22.5
2、Oil resistance 2.1 Changes in resistance to FAM B oil at 23°C for 48 hours
Hardness (Shore A) change	ASTM D2240	Points	-6	-10
Volume change rate change	ASTM D471	%	+10.5	+16.5
2、Oil resistance 2.2 Performance after aging and drying at 100°C for 48 hours after being resistant to FAM B oil at 23°C for 48 hours
Hardness (Shore A)	ASTM D2240	Points	70	70
Tensile strength	ASTM D412	%	10.28	9.98
Elongation	ASTM D412	%	245	224
Volume change rate	ASTM D471	%	+0.23	+0.52
2、Oil resistance 2.3 Diesel resistance change at 23°C for 48 hours
Hardness (Shore A) change	ASTM D2240	Points	0	-3
Volume change rate	ASTM D471	%	-0.03	+3.98
2、Oil resistance 2.4 Performance after aging at 23°C for 48 hours against diesel oil and drying at 100°C for 48 hours
Hardness (Shore A)	ASTM D2240	Points	70	69
Tensile strength	ASTM D412	%	10.25	9.67
Elongation at break	ASTM D412	%	238	228
Volume change rate%	ASTM D471	%	+0.34	+0.92
2、Oil resistance 2.5 Biodiesel resistance (RME) performance at 80°C for 504 hours
Hardness change (Shore A)	ASTM D2240	Points	-2	-4
Volume change	ASTM D471	%	+3.1	+5.2
Tensile strength	ASTM D412	MPa	8.94	7.54
Elongation at break		%	269	237
2、Oil resistance 2.6 Resistance to 5W/30 engine oil (RME) at 80°C for 504 hours
Hardness change (Shore A)	ASTM D2240	Points	-1	-4
Volume change	ASTM D471	%	+3.52	+9.62
Tensile strength	ASTM D412	MPa	9.05	7.24
Elongation at break		%	215	189
3、Compression set at 150°C for 24 hours (the vulcanization condition of the sample 1st curing at 175°C×10min and 2nd curing at 230°C×16h)
Compression set	ASTM D395	%	26.48	23.48
4、Ozone resistance 80pphm×20% for elongation×40℃×120 hours
Cracked or not	ASTM D1171	/	NO	NO
5、Low temperature retraction TR10
TR10	GB 7758	℃	-20	-25

 

Packing: FKM premixed rubber is shipped in 25 kg/cardboard box.

Storage and shelf life: This series may be stored in its original unopened packaging at a temperature below 40°C for up to 12 months as from the date of manufacture.

 

For More Product Information, Please Visit Our Website: www.sanezen.com

Contact: Plant Address: No.6, Xinqing Road, Xuanzhou North Economic Development Zone, Xuancheng City, Anhui Province Commercial Address: Room 1606-1608, Boda Commercial Buildings, No. 11 Puhuitang Road Xuhui District, Shanghai, China 200030   Tel: +86 21 6487 9251      Fax: +86 21 5106 2693 E-mail: kevenwang@sanezen.com

Warning to the users:  The information contained in this document is given in good faith based on our current knowledge. It is only an indication and is in no way binding, particularly as regards infringement of or prejudice to third party rights through the use of our products. Sanezen guarantees that its products comply with its sales specifications. This information must on no account be used as a substitute for necessary prior tests which alone can ensure that a product is suitable for given use. Determination of the suitability of product for the uses and applications contemplated by users and others shall be the sole responsibility of users. Users are responsible for ensuring compliance with local legislation and for obtaining the necessary certifications and authorisations. Users are requested to check that they are in possession of the latest version of this document and Sanezen is at their disposal to supply any additional information.