MS Modified Sealer

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MS Modified Sealer

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Rated 4.5/5 based on 671 customer reviews
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Availability: In Stock


Product Overview:

Rubex caulk has been field tested to be compatible with the PondPro and will not void the warranty. Rubex is used as part of the preparation work to eliminate any gaps in corners around drains, and noticeable cracks in your concrete. It also can be used to first seal around the bottom of large boulders that cannot be removed.

Rubex MS is a premium, innovative product that represents the next generation of sealant technology. Rubex MS does not contain any solvents or isocyanates. It exhibits excellent adhesion to many substrates, including: aluminum, brass, steel, glass, granite, marble, wood, and most plastics. Rubex MS conforms to the requirements of ASTM C920, Type S, Grade NS, Class 25, and to AAMA Specification 802.3 Type II as a Back Bedding Compound. Rubex caulk through independent testing as proven itself to outperform Butyl, acrylic or Latex caulks on an application of Liquid epdm rubber.

Product Uses:

Rubex MS is highly weather resistant and paintable caulk. It has also been field tested with the Liquid EPDM rubber and will not void the warranty. It is very effective in sealing around our RV's vents AC's and corners. In addition common applications include preparation for the Liquid EPDM Rubber around windows and door frames, flashing, and joint-filling.

Technical Information:

Dry Time 24 Hours
Color White Low Temp. Flex., -75°F No Adverse Effect
Specific Gravity 1.3 – 1.5 Hardness (ShoreA) 45 – 50
Elongation (ASTM D412) 275% Physical State Liquid Pumpable
Tensile Strength 225 psi Corrosive Properties None
Lap Shear, 1 in./min 275 psi Shelf Life Nine Months
High Temp. Resistance Up to 400°F UV Rating, 2000 hrs No Change
Skin Time <30 mins @ 77°F Sag None

Application Information:

Ensure surfaces to be sealed are clean, dry, and free of oil and moisture. Exercise care during application to prevent air or contaminant entrapment. Rubex MS is most commonly applied by pumping, either by caulking gun or power gun. It can also be applied by trowel or stiff brush. Do not handle, move, or pack for one hour until a surface film has formed. If necessary, clean tools and equipment with mineral spirits. Once cured, Rubex MS can be painted with most industrial and consumer paints, though testing is recommended.

Packaging & Handling:

Do not open until ready for use in order to maximize shelf life. Store at 60°– 80°F. Read all labeling before use.

Safety Instructions:

Use with adequate ventilation. Avoid contact with eyes, lips, and mouth. Avoid excessive inhalation during application. An MSDS is available upon request.


The information presented herein has been compiled from sources considered to be accurate and reliable, but is not guaranteed to be so. In practice, the differences in materials, substrates, storage conditions, actual site conditions and other factors outside of Edge Adhesives control are such that Edge Adhesives assumes no liability, nor makes any warranty, express or implied for such information, recommendations or instructions related to its products. It is the users responsibility to determine the suitability of any material for a specific purpose and to adopt such safety precautions as may be necessary.

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