MagShield® S in PVC Wire and Cable Formulations
In PVC wire and cable formulations, MagShield S magnesium hydroxide is as effective in reducing smoke production in the Flaming Mode as ATH.
| Formulation | |
| PVC Resin |
100 |
| Santicizer 711P plasticizer |
40 phr |
| MagShield S |
30 phr |
| Calcium Carbonate |
20 phr |
| Lectro 90 stabilizer |
3 phr |
| Antimony Oxide |
3 phr |
| Stearic Acid | 0.5 phr |
| Compound properties | |
| Limiting Oxygen Index | 31% |
| Tensile Strength | 2,610 psi |
| Tensile Modulus | 20,330 psi |
| Elongation | 139% |
| Melt Flow Index | 0.90 g/10 min. |
Results
MagShield S produces comparable results with other metal hydrate systems.
See MagShield data sheets for complete descriptions of products. Other formulations for other polymers and FR standards are available from Martin Marietta Magnesia Specialties’ Technical Service. Please call 800-648-7400 (inside the U.S.) or +1-410-780-5500. Or, email us with your questions.
