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Master Bond adhesives

Lanxess Buna CB 55 GPT Rubber
Categories: Polymer; Thermoset; Rubber or Thermoset Elastomer (TSE)

Material Notes: Buna CB 55 GPT is a solution medium cis polybutadiene polymer produced with a organo lithium catalyst.

Plant: Cabo de Santo Agostinho-PE-Brazil

CAS No: 9003-17-2

Information provided by Lanxess.

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Physical PropertiesMetricEnglishComments
Volatiles <= 0.50 %<= 0.50 %ASTM D5668
Viscosity 165 cP165 cPsolution, 5.43% in toluene; IPL 10.005
Mooney Viscosity 52.552.5[ME]; ASTM D1645
 
Descriptive Properties
Color<7.5APHA, Pt-Co, IPL 10.005
Content<200 ppmStyrene insoluble wet gel, IPL 10.154
 11 percentvinyl content
 36 percentcis 1, 4 content
 53 percenttrans 1,4 content
Specifications<100 ppmDry gel (180 mesh), IPL 10.376
 <240 minDissolving Time, IPL 10.153
 2 mmWilliams recovery, ASTM D926

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