Tech Data

Silchem SM7704

Dielectric Silicone Compound

SILCHEM SM7704 IS A SILICON DIOXIDE THICKENED HIGH MOLECULAR WEIGHT DIMETHYL POLYSILOXANE BASED MATERIAL. IT IS A STIFF, TACKY DIELECTRIC COMPOUND WITH EXCELLENT WATER REPELLENCY.

TECHNICAL DATA

TEMPERATURE RANGE               -40 TO 200⁰C (400⁰F)

PENETRATION (WORKED 60X)                    200 TO 300

BLEED (200⁰C-24 HRS)                                             0.1%

EVAPORATION (200⁰C-C-24 HRS.)                         0.8%

APPEARANCE (WHITE)          TRANSLUCENT PASTE

SPECIFIC GRAVITY                                                    1.03

THERMAL CONDUCTIVITY                                      0.11

DIELECTRIC STRENGTH (50 MIL)                  710 V/MIL

DIELECTRIC CONSTANT (1 kHz)                           2.9

DISSIPATION FACTOR (1 kHz)                            0.0025

VOLUME RESISTIVITY (OHM-CM)                   7.5 X1O¹³

APPLICATIONS

Water resistant

Dielectric

Vacuum

Underground

Rubber lubrication

Plastic lubrication

Silchem SM7704 was designed for use as a water repellent, sealing grease-like compound. Its high tack and chemical inactive make it an excellent choice for vacuum and sealing interfaces, protecting electrical parts, such as connectors, meters and ignition systems. Silchem SM7704 is also an excellent lubricant for rubber and plastics. The compound meets the requirements of 21 CFR 178.3570 of the FDA, Lubricants for Incidental Food Contact.