Product Detail

SR32XXU SR33XXU Series

 
Brand: Sanesil
Feature: Super high tear strength,excellent physical properties
Industry: Automotive, Home Appliances, Aerospace, etc
Grade: Super High Tear Resistance SR33XXU Series
Appearnce: Transparency
Origin: China
Package: 20KG/Bag
产品详情

Description: This series is silicone rubber compounds with high transparency andtear resistance which arevulcanization molding by adding curingagents. (The curing agents should be chosen according to process requirements.)



Special properties:

Ø   Transparent appearance, excellent physical performance.

Ø   Resistance to crephardening in a long-term storage.

Ø   Low compression set.

Ø   High tear resistance.

Ø   Excellent process performance.

Ø   Can be used to mix with other rubbers.

Main applications:

Ø   Suitable for molding products which require high tear resistance withcomplex structure and high mechanical property. Suitable for large sizeextruded products such as special cable sheath. Suitable for large sizevulcanized products such as silicone rubber plate and air bags.

Ø   SR32XXU & SR36XXU: crescent tear is up to 30~40, right angle tear isup to around 40. Suitable for general high tear occasions, the price ismoderate.

Ø   SR33XXU: Can be used in special occasions that require super high tearresistance meets around 50. The price is higher.


Characteristics:

Type (according to GB/T5576-1997)................................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, withpost curing at 200×4.

Mechanical properties

Item

Testing Method

Unit

Technical data

SR3240U

SR3250U

SR3270U

SR3280U

SR3350U

SR3360U

SR3370U

Appearance

目测

/

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


Packaging20 kg per cardboard boxes.


Our factory:


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Our equipment:

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Our certificates:


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Friend Link

Qingdao University of Science and Technology                          East China University of Science and Technology                 

University of Science and Technology of China                           Rubber Technology

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