Applications

Momentive Primer SS4155

  • Item No.: SS4155

  • Manufacturer: Momentive Performance Materials

  • Technologies: One-component silicone primer for adhesion promotion

  • Cure Type: Physical drying (air-dry; no heat or mixing required)

  • Package Size: Typically available in 1-pint, 1-quart, 1-gallon, or larger containers

  • Shelf Life: 12 months

SS4155 is a general-purpose, one-component primer designed to promote adhesion between Momentive RTV silicone rubber compounds and non-silicone surfaces (e.g., metals, plastics, ceramics). It’s especially recommended for use with RTV615, RTV655, and other two-component RTVs when bonding is needed.

This primer is blue in color, which makes it easy to visually confirm uniform application. It dries at room temperature and forms a thin film that enhances bonding performance without the need for mixing or complicated application steps.

Item No. SS4155
Manufacturer Momentive Performance Materials
Technologies One-component silicone adhesion promoter
Cure Type Physical drying (no heat required)
Color Blue
Solvent System Ethyl Acetate, Toluene, Methanol
Solids Content 10%
Specific Gravity 0.82
Flash Point 37°C (98°F)
Dry Time 30 minutes @ room temperature
Recommended Humidity Minimum 40% RH
Application Methods Brush, Wipe, Dip
Film Thickness 0.01–0.02 mm (0.5 mil)
Primer Visual Cue White haze upon full drying
FDA Status Not approved for food contact
Shelf Life Typically 12 months (check label)
Compatible RTVs RTV615, RTV655, RTV630, RTV627, etc.

Everwide FX244-1: High Performance for Precision Molding

FX244-1 A specialized two-part silicone rubber designed for creating high-precision molds. This material features a unique oil-bleeding property that creates a self-releasing surface, eliminating the need for external non-stick sprays during demolding.

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