Category | Polymer , Thermoset , Rubber or Thermoset Elastomer (TSE) , Styrene Butadiene Rubber |
Manufacturer | Dow Chemical |
Trade Name | Buna® |
Port | Ningbo port,China |
Trade Terms | FOB, CFR, CIF |
Payment Terms | L/C, T/T, Western Union |
Download PDF | Dow Buna® SB 1723 Cold polymerized Emulsion Styrene Butadiene Rubber (E-SBR).pdf |
Price | EMAIL US sales@lookpolymers.com |
Physical Properties | Metric | English | Comments |
---|---|---|---|
Viscosity Measurement | 2.2 @Temperature 160 °C |
2.2 @Temperature 320 °F |
[dNm]; ML, (0.5 RAD); ASTM D5289 |
3.0 @Temperature 160 °C |
3.0 @Temperature 320 °F |
[min]; ts1, (0.5 RAD); ASTM D5289 | |
6.5 @Temperature 160 °C |
6.5 @Temperature 320 °F |
[min]; T50, (0.5 RAD); ASTM D5289 | |
12 @Temperature 160 °C |
12 @Temperature 320 °F |
[min]; T90, (0.5 RAD); ASTM D5289 | |
17.2 @Temperature 160 °C |
17.2 @Temperature 320 °F |
[dNm]; MH, (0.5 RAD); ASTM D5289 | |
Mooney Viscosity | 50 @Temperature 100 °C |
50 @Temperature 212 °F |
[MU]; ML 1+4, massed sample; ASTM D1646-99 (7.2.2) |
Ash | 0.10 % | 0.10 % | ASTM D5667 |
Collected Volatile Condensable Material | 0.20 % | 0.20 % | ASTM D5668 |
Storage Temperature | <= 30.0 °C | <= 86.0 °F |
Mechanical Properties | Metric | English | Comments |
---|---|---|---|
Tensile Strength, Ultimate | 23.0 MPa | 3340 psi | Die C (35 min / 145°C); ASTM D412 |
Tensile Strength, Yield | 13.0 MPa @Strain 300 % |
1890 psi @Strain 300 % |
ASTM D412 |
Elongation at Break | 460 % | 460 % | ASTM D412 |
Chemical Properties | Metric | English | Comments |
---|---|---|---|
Acid Value | 4.9 | 4.9 | % Organic Acid; ASTM D5775 |
Styrene Content | 23.5 % | 23.5 % | Bound Styrene; ASTM D5775 |
Processing Properties | Metric | English | Comments |
---|---|---|---|
Shelf Life | >= 12.0 Month | >= 12.0 Month |
Descriptive Properties | Value | Comments |
---|---|---|
Accelerator (TBBS) wt% | 1 | ASTM 3185-1A |
Carbon Black wt% | 50 | ASTM 3185-1A; IRB 7 |
Stearic Acid wt% | 1 | ASTM 3185-1A |
Sulfur content, % | 1.75 | ASTM 3185-1A |
Total Extractables % | 32.5 | ASTM D5774 |
Zinc Oxide wt% | 3 | ASTM 3185-1A |