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Nanjing SiSiB Silicones Co., Ltd.
Nanjing SiSiB Silicones Co., Ltd.
SiSiB® LR1371
SiSiB® LR1371

SiSiB® LR1371 is a two-part, platinum-catalyzed addition-curing liquid silicone rubber (LSR) designed for high-speed injection molding. It offers excellent processing properties and mechanical performance after curing.

SiSiB® LR1371

Features


  • Addition-cure, 1:1 mix ratio


  • Fast curing at elevated temperatures


  • Good flowability, suitable for complex molds


  • Long pot life for extended processing flexibility


  • Excellent mechanical properties


  • Medium viscosity, ideal for automated injection molding


  • Food and baby product grade (compliance on request)


Physical Properties


Appearance

Translucent viscous fluid

Mixing Ratio A:B

1:1

Viscosity, 25°C, mPa·s

1,000,000-2,000,000

Specific Gravity (g/cm3)

1.135-1.165

Pot life at 25°C, h

48-72



After cured, 130°C, 10min


Hardness (Shore A)

65-75

Tensile Strength (MPa)

Min.7.5

Tear Strength (kN/m)

Min.30

Elongation (%)

Min.300

These values are typical and are not intended for use as specifications.

Application


  • SiSiB® LR1371 is primarily used for injection molding of high-performance silicone rubber parts in baby care products, food-grade components, and precision technical parts. Its excellent flowability and mechanical strength make it ideal for producing complex, translucent or transparent articles with strict safety and durability requirements.

Packing and Storage


SiSiB® LR1371 is supplied in 20Kg pail or 200kg drum.


In the unopened original container SiSiB® LR1371 has a shelf life of 6 months in a dry and cool place. Protect from rain, direct sunlight, and contamination by acids, alkalis, or other impurities.

Documents

DownloadSiSiB® LR1371 Safety Data Sheet
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SiSiB® LR1371