High Tear Strength Silicone Rubber Compound

High Tear Strength Silicone Rubber Compound

High Tear Strength Silicone Rubber Compound

This series is silicone rubber compounds with high transparency and tear resistance which are vulcanization molding by adding curing agents. (The curing agents should be chosen according to process requirements.)

High Tear Resistance Silicone Suppliers serving aerospace, cable sheathing, and industrial seals.

product details

The SR32XXU & SR33XXU Series by SANEZEN Group — a premier High Tear Resistance Silicone Manufacturer and Supplier in China — delivers ultra-durable, transparent silicone rubber compounds engineered for demanding applications. As a High Tear Resistance Silicone Factory with ISO-certified facilities, we specialize in Customized High Tear Resistance Silicone solutions, combining superior mechanical performance (tear strength up to 50 kN/m) with precision molding versatility.

Why Partner with SANEZEN?

  • High Tear Resistance Silicone Manufacturers China: Vertical integration from R&D (Shanghai Center) to bulk production ensures consistency and fast turnaround.

  • Tailored Formulations: Adjustable hardness (Shore A 41–82), transparency, and curing profiles for complex geometries.

  • Sustainable Production: Aligned with SANEZEN’s green manufacturing ethos (low-VOC, energy-efficient processes).

Special properties:

  • Transparent appearance, excellent physical performance.
  • Resistance to crephardening in a long-term storage.
  • Low compression set.
  • High tear resistance.
  • Excellent process performance.
  • Can be used to mix with other rubbers.

Main applications:

  • Suitable for molding products which require high tear resistance with complex structure and high mechanical property. Suitable for large size extruded products such as special cable sheath.Suitable for large size vulcanized products such as silicone rubber plate and air bags.
  • SR32XXU &SR36XXU: crescent tear is up to 30~40, right angle tear is up to around 40. Suitable for general high tear occasions, the price is moderate.
  • SR33XXU: Can be used in special occasions that require super high tear resistance meets around 50. The price is higher.

Characteristics:

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

Natural color…………………………………………………………….transparency

Curing Condition:

After addition of 1.2% of 2.5-dimethyl bis -(tertiobutyl peroxy) 2.5-hexane (45%) and vulcanization for 5 min. at 170°C, with post curing at 200℃×4.

Mechanical properties：

Item Testing Method Unit Technical data
SR3240U SR3250U SR3270U SR3280U SR3350U SR3360U SR3370U
Appearance / semitransparent semitransparent semitransparent semitransparent semitransparent semitransparent semitransparent
Density ASTM D792 g/cm3 1.10 1.14 1.19 1.21 1.14 1.16 1.18
Hardness(Shore A) ASTM D2240 41 49 71 82 52 60 72
Tensile Strength ASTM D412 MPa 9.5 10 10.5 9.8 11 11.2 10.8
Elongation ASTM D412 % 850 700 450 300 820 570 520
Tear Strength

(crescent)

 ASTM D 624 B kN/m 30 35 36 30 45 48 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.

SANEZEN Group Profile

Beyond Materials, Committed to the Future
As a global High Tear Resistance Silicone Supplier, SANEZEN Group leverages own factories and R&D centers in China to deliver:

  • End-to-end solutions: From prototype to mass production.

  • Technical support: ASTM/GB-compliant testing and certification guidance.

  • Eco-conscious innovation: Low-carbon footprint formulations.

For More Product Information, Please Visit Our Website: www.sanezenrubber.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: yorichen@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.

 

Poduct

Search by Product lines

GET A QUOTE

Send us an Inquiry now to find out more Information and the latest prices,thanks!