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USP Class VI adhesives

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DuPont Silastic® Q7-4850 Dow-Corning Biomedical Grade Liquid Silicone Rubber  (Unverified Data**)
Categories: Polymer; Thermoset; Rubber or Thermoset Elastomer (TSE); Silicone; Silicone Rubber; Liquid Silicone Rubber (LSR)

Material Notes:

Information provided by Multibase

Former Dow (Multibase) grade.

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Physical PropertiesOriginal ValueComments
Density 1.15 g/ccRelative, no post cure- press cured for 5 minutes; ASTM D792
 
Mechanical PropertiesOriginal ValueComments
Hardness, Shore A 53no post cure- press cured for 5 minutes; ASTM D2240
 54post cured-2 hours at 200°C; ASTM D2240
 56post cured-4 hours at 200°C; ASTM D2240
 56post cured- 8 hours at 200°C; ASTM D2240
Tensile Strength, Ultimate 1346 psipost cured- 2 hours at 200°C; ASTM D412
 1347 psipost cured- 8 hours at 200°C; ASTM D412
 1394 psipost cured- 4 hours at 200°C; ASTM D412
 1470 psino post cure, press cured for 5 minutes; ASTM D412
Tensile Strength, Yield 550 psiat 200%, no post cure- press cured for 5 minutes; ASTM D412
 607 psiat 200%, post cured- 2 hours at 200°C; ASTM D412
 630 psi200%, post cured- 4 hours at 200°C; ASTM D412
 647 psi200%, post cured- 8 hours at 200°C; ASTM D412
Elongation at Break 477 %post cured- 8 hours at 200°C; ASTM D412
 497 %post cured- 2 hours at 200°C; ASTM D412
 505 %post cured- 4 hours at 200°C; ASTM D412
 630 %no post cure, press cured for 5 minutes; ASTM D412
Tear Strength 260 pliDie B, no post cure- press cured for 5 minutes; ASTM D624
 277 pliDie B, post cured- 2 hours at 200°C; ASTM D624
 285 pliDie B, post cured- 8 hours at 200°C; ASTM D624
 291 pliDie B, post cured- 4 hours at 200°C; ASTM D624
Compression Set 10.6 %post cured- 4 hours at 200°C; ASTM D395
 27 %post cured- 8 hours at 200°C
 36.4 %no post cure, press cured for 5 minutes; ASTM D395
 37.1 %post cured- 2 hours at 200°C; ASTM D395
 
Thermal PropertiesOriginal ValueComments
Shrinkage 2.1 %no post cure, press cured for 5 minutes
 2.9 %
@Temperature 200 °C,
Time 7200 sec
post cured
 2.9 %
@Temperature 200 °C,
Time 14400 sec
post cured
 3.0 %
@Temperature 200 °C,
Time 28800 sec
post cured
 
Processing PropertiesOriginal ValueComments
Processing Temperature 302 °FCure Temp

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PMULTI173 / 54077

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