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USP Class VI Adhesives
USP Class VI Approved Adhesives for Medical Device Applications
Master Bond’s biocompatible adhesives are designed to meet the needs of medical device manufacturers. Compounds withstand various types of sterilization methods.

Momentive Performance Materials Silopren™ LSR 2050 Liquid Silicon Rubber - General Purpose
Categories: Polymer; Thermoset; Rubber or Thermoset Elastomer (TSE); Silicone; Silicone Rubber; Liquid Silicone Rubber (LSR)

Material Notes: This LSR elastomer is a general purpose, two-component, platinum (addition/heat) curable, and pumpable silicone elastomer that can be molded and cured with very fast cycle times, at elevated temperatures. The molding process allows for complex part geometry and exact dimensions. LSR elastomers are generally suitable for short cycle time injection and full automatic flash-less processing. Color pastes are available to pigmenting addition cure productions of LSR's.

All LSR grades are platinum cured materials which are mixed in a 1:1 ratio by weight.

Industries and Applications: The Momentive portfolio of products is used for a wide variety of applications in the Automotive, Aviation and Aerospace, Consumer Goods, Consumer Electronics, Healthcare and Energy Industries.

Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesMetricEnglishComments
Specific Gravity 1.12 g/cc1.12 g/cc
Linear Mold Shrinkage 0.027 cm/cm0.027 in/invulcanized 10 sec at 200°C; Without post-cure
 0.035 cm/cm0.035 in/invulcanized 10 sec at 200°C then post-cured
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore A 5151
Tensile Strength 10.0 MPa1450 psi
Elongation at Break 600 %600 %
Tear Strength 35.0 kN/m200 pliDie B
Compression Set 25 %25 %Post cured
 
Thermal PropertiesMetricEnglishComments
Flammability, UL94 HBHB
 
Optical PropertiesMetricEnglishComments
Transmission, Visible 80 %80 %transparent; thickness unknown
 
Processing PropertiesMetricEnglishComments
Nozzle Temperature 20.0 °C68.0 °Fcool nozzle and cylinder to prevent premature vulcanization
Mold Temperature 140 - 230 °C284 - 446 °Fshort vulcanization time required (a few seconds)
Injection Pressure 5.00 - 15.0 MPa725 - 2180 psidepends on feed channel
Hold Pressure 5.00 MPa725 psi
 
Compliance PropertiesMetricEnglishComments
FDA YesYesFDA Indirect food contact - Rubber articles intended for repeated use - FDA Reg 21CFR177.2600
USP Class VI YesYesUSP Class VI methods: Intramuscular implantation, intracutaneous injection, & systematic injection
 
Descriptive Properties
AppearanceTransparent
BfRproduct is compositionally compliantRecommendation XV Silicones; post cured (4h/200°C)
European PharmacopeiacompliantEur. Pharmacopeia VI.1.3.2.
ISO10993yes7 ISO 10993 tests applicable to "wet" chemicals
Water RegulationscompliantKTW, WRAS, W270

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USP Class VI Adhesives
USP Class VI Approved Adhesives for Medical Device Applications
Master Bond’s biocompatible adhesives are designed to meet the needs of medical device manufacturers. Compounds withstand various types of sterilization methods.

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