Silicone Rubber 8XXU Series

Silicone Rubber 8XXU Series

Silicone Rubber 8XXU Series

This series is a premixed compound of silicone rubber with good rebound properties, vulcanizing under heat after addition of a vulcanizing agent that could be chosen according to processing requirement.

product details

Special properties:

  • High rebound and low compression set.
  • Easy to process and demold, not sticky to 2-rolls.
  • Slight replastification after prolonged storage
  • Bright colors easily obtained with color bases.
  • Wild range of reloading or blending.

Main applications:

  • SR8XXU can be used to manufacture articles required high rebound and low compression set, such as oil ring, gasket and roller,etc.

Characteristics:

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

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

Curing Condition:

Cure for 5 mins at 175℃ after addition of 1.1% of 2,5-dimethyl-2-5-di(tert-butylperoxy) hexane (at 45%).

 

Mechanical properties

Item Testing Method Unit Technical Data
SR830U SR840U SR850U SR860U SR870U SR880U
Appearance Visual Observation Translucent Translucent Translucent Translucent Translucent Translucent
Density ASTM D792 g/cm3 1.07 1.10 1.14 1.16 1.19 1.22
Hardness
(Shore A)
ASTM D2240 Shore 34 41 50 63 71 80
Tensile Strength ASTM D412 Mpa 5.6 6.1 8.9 8.5 8.9 7.2
Elongation ASTM D412 % 576 435 442 357 289 175
100% M ASTM D412 Mpa 0.63 0.93 1.35 2.2 3.16 4.54
Tear Strength ASTM D624 B N/mm 8 9 12 18 16 11
Compress Set
(177℃*22h)
ASTM D395 N/mm 10 7 9 10 11 9
Rebound ASTM D395 Method B % 67 72 66 58 53 49

 

Packaging:20 kg per cardboard boxes.

 

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: 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.