Sika Sikasil GP White 10oz Cartridge

Sikasil GP is a general purpose, onecomponent, non-sag, elastomeric, RTV acetoxy silicone sealant with good adhesion characteristics for general sealing and bonding applications. Sikasil GP maintains elastomeric properties up to 350° F continuous, 392°F intermittent.

One-component ready to use
Excellent adhesion, bonds to many substrates without priming
Fast Cure - Move assembled or sealed parts quickly

$7.79

Availability: In stock ( 4 Available )

SKU

19056

Sika Sikasil GP – 10oz White General Purpose Silicone Sealant

Sika Sikasil GP is a one-component, RTV acetoxy-cure silicone sealant formulated for a wide range of general-purpose sealing and bonding applications. Supplied in a 10oz white cartridge, this non-sag elastomeric sealant delivers excellent adhesion to common construction substrates including glass, plastic, tile, wood, fiberglass, painted metals, and ceramics—without the need for a primer. Designed for fast cure and superior tooling, Sikasil GP maintains elasticity in extreme temperatures and resists UV, ozone, and moisture exposure. Ideal for window glazing, doors, HVAC, plumbing, roofing, and marine applications, it also contains an anti-microbial additive for mold resistance in humid environments.

Key Features:

One-component, acetoxy-cure RTV silicone
Fast skin time for quicker installation
Excellent adhesion to common construction materials
Non-sag formula for vertical and overhead applications
UV, ozone, and moisture resistant
Contains anti-microbial additive for mold resistance
Service temperature range: -76°F to 350°F (intermittent up to 392°F)
Tooling without soap or water; easy application and cleanup

Applications:

Sealing and glazing of windows, doors, and skylights
General construction joints and transitions
HVAC, plumbing, and roofing applications
Marine, trailer, and RV sealing
Appliance assembly and repair

Technical Specifications:

Property	Value
Packaging	10 fl.oz. (295 ml) cartridge
Cure Type	Acetoxy, moisture cure
Skin Time	13 minutes at 73°F (23°C), 50% RH
Tensile Strength	220 psi (ASTM D412)
Elongation at Break	500% (ASTM D412)
Shore A Hardness	20 (ASTM D2240)
Peel Strength	20 pli (ASTM C794)
Service Temperature	-76°F to 350°F continuous, up to 392°F intermittent
Shelf Life	24 months (unopened, below 77°F)

Frequently Asked Questions:

Can Sikasil GP be painted?
No. Sikasil GP is not paintable and should not be coated with paints or finishes.

Is priming required before use?
In most cases, no primer is needed. However, certain difficult substrates may require pre-treatment for optimal adhesion.

Can Sikasil GP be used outdoors?
Yes. It is designed to withstand UV exposure, ozone, and extreme weather conditions for long-term exterior use.

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