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Silopren™ LSR 2670

Chemical Family
Silicones

Silopren™ LSR 2670 is a two-component liquid silicone rubber for injection molding processes. In comparison to Silopren™ LSR 2070, Silopren™ LSR 2670 shows a lower viscosity, improved tear resistance and a higher reactivity. Therefore, it is also possible to reduce the vulcanization temperature while maintaining a standard crosslinking rate. The increased reactivity does not affect the properties of the vulcanizate.Key Features and BenefitsVulcanizates of Silopren™ LSR 2670 are typically distinguished by the following properties: High reactivity, lower viscosity, shorter cycle time Excellent thermal stability Biocompatible Sterilizable with ethylene oxide, steam and gamma radiation High stability and flexibility at low temperatures Good rubber-like properties, high tear resistance Long service life at dynamic stress High stability to ozone and ultraviolet light Outstanding resistance to aging Excellent dielectric behavior over a wide range of temperatures Not readily combustible, does not melt or drip Easily pigmentable with LSR color pastes KTW approved Potential ApplicationsBecause of its outstanding properties, Silopren™ LSR 2670 is an excellent candidate to consider for the following elastomeric articles: Sealing elements O-rings Stoppers Keypads Vibration dampers Pressure cookers parts Spark plug boots, catheters, parts of medical technical equipment s.o.

Properties

Physical Form
Liquid

Product families

Applications

Healthcare & Pharma — Medical
  • Medical Devices & Assemblies
  • Other Medical Applications
  • Surgical Instruments & Trays
  • Tubing & Fluids Handling

Product Families

Elastomers — Specialty Elastomers
  • Silicone Elastomers

Other characteristics

Brand
Silopren
End Uses

Medical Devices, Medical/Healthcare Applications, Surgical Instruments, Tubing

Features

Biocompatible, Ethylene Oxide Sterilizable, Good Colorability, Good Stability, Good Tear Strength, Good Thermal Stability, High Reactivity, Low Temperature Flexibility, Ozone Resistant, Radiation Sterilizable, Steam Sterilizable, UV Resistant, Vibration Damping

Polymer Name
Liquid Silicone Rubber (LSR)
Tear Strength
30.0 - 30.0 kN/m
Processing Methods
Injection Molding
Markets
Healthcare & Pharma
Appearance
Translucent
Flame Rating
IEC 60695-11-10 HB
Technology
Elastomers
Material Features
  • Biocompatible
  • Ethylene Oxide Sterilizable
  • Good Colorability
  • Good Stability
  • Good Tear Strength
  • Good Thermal Stability
  • High Reactivity
  • Low Temperature Flexibility
Country Availability
  • Brazil
  • Canada
  • China (Mainland)
  • Mexico
  • USA
Certifications and Compliance
Halal
Plastics and Elastomers End Uses
  • Medical Devices
  • Medical/Healthcare Applications
  • Surgical Instruments
  • Tubing
Plastics and Elastomers Processing Methods
Injection Molding

Technical data

Table 1 of 3

4 rows
CharacteristicValueUnitMethod
Tensile Strength9MPaISO 527
Hardness69Shore AASTM D 2240
Strain at break350%ISO 37
Tear Strength30kN/mASTM D624

Table 2 of 3

1 row
CharacteristicValueUnitMethod
Density1130kg/m3ASTM D 792

Table 3 of 3

2 rows
CharacteristicValueUnitMethod
Burning Behavior at 1.5 mm nominal thicknessHBclassIEC 60695-11-10
Yellow Card availableyes——

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