Special properties:

• Resistance to crepharding.
• Good mechanical properties.
• Excellent resistance to low temperature and radiation.
• Wide operating temperature -100℃~250℃.
• Easily processed and easily pigmented.

Main applications:

• Automotive industry: all kinds of vehicle seal ring, oil seal, diaphragm, conduit, valve lining, etc.
• Petrochemical industry: all kinds of high temperature, low temperature, chemical erosion resistance pump, valve, oil tank and other equipment sealing products.
• Astronomy industry: aircraft fuel oil and lubricating oil seals, contact parts, such as all kinds of O ring, filling, sealing ring, sensor materials, diaphragm, liner clamp.
• Military industry: low temperature resistance/oil resistance/acid resistance in harsh environment, such as military aircraft hydraulic system infusion bellows, sealing strip of special vehicle doors and Windows/back cover, sensor materials.

Characteristics:

Type (according to GB/T 5576-1997)…………………………..PVMQ

Natural color……………………………………………….translucent, smooth surface, no impurities

Curing Condition:

After addition of 1.2% of 2.5-dimethyl bis -(tertiobutyl peroxy) 2.5-hexane (45%) and vulcanization for 5 min. at 180°C, with post curing at 200℃×4hour.

Mechanical properties：

Item	Testing Method	Unit	SR3250UDP	SR3270UDP	SR3280UDP
Density	ASTM D792	g/cm3	1.25	1.26	1.27
Hardness(Shore A)	ASTM D2240		50	69	80
Tensile Strength	ASTM D412	MPa	9.5	10.2	9.2
Elongation at Break	ASTM D412	%	550	400	140
Tear Strength (Right Angle)	ASTM D 624 C	kN/m	28	35	19
Brittle Temperature		℃	-100℃	-100℃	-100℃
Mechanical properties 1.1 Performance changes after aging at 225℃×72H
Hardness(Shore A)	ASTM D2240		52	71	82
Tensile Strength	ASTM D412	MPa	9.2	9.6	9.0
Elongation at Break	ASTM D412	%	400	310	120
Mechanical properties 1.2 Performance changes after aging at 250℃×72H
Hardness(Shore A)	ASTM D2240		56	75	85
Tensile Strength	ASTM D412	MPa	5.2	5.4	5.6
Elongation at Break	ASTM D412	%	340	270	80

 

Packaging：20 kg per cardboard boxes.

 

Storage and shelf life:

SR 32XX UDP 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: Baishou Road, North District of Xuan Zhou Economic Development Zone, Xuan Cheng City Anhui Province, China. 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.