can this be used as a slurry to wet/bond a concrete wall cap, to the mortar underneath?

If I understand your question, by itself, no. It is an additive. You can add it to unfortified thin set and comb it to the cap. Let it cure for 24 hours and then place in a setting bed that has also been fortified. The latex will keep it from freezing and as an additive instead of water, there will be less shrink stress.

My red brick chimney has a crack (8 vertical feet). Want to use red morter to patch it. If I pretreat the brick with this will it help the bond?

I want to say yes. The product works. Not sure about mortor application personally, but can't see why it wouldn't. You could always contact their customer service and ask, but I liked the product...

Does it dry white or clear?

Depending on product you are applying it to, usually clear but sometimes slight milky color.

Do you mix this with sand topping cement as replacement for water for thin horizontal applications?

I would check to see if anything is mixed in with what you're using. A lot of 'topping compounds' have a bonding agent mixed in. If its straight cement, it should work, the bonding adhesive sill set it off so I would do a test run first.

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Description

🔗 Lock in strength, weather any storm!

VERSATILE APPLICATION - Perfect for both DIY enthusiasts and pros, ideal for tiling, pavers, driveways, and more.
LONG LASTING DURABILITY - Creates a denser, tougher surface without vapor barriers, reducing maintenance and repairs.
UNMATCHED BOND STRENGTH - Boost your concrete’s tensile strength up to 500 PSI for rock-solid durability.
READY TO USE CONVENIENCE - No dilution needed—just open and apply for fast, hassle-free bonding every time.
WEATHERPROOF PERFORMANCE - Freeze/thaw resistant formula ensures your projects withstand harsh seasonal cycles without cracking.

SIKA SikaLatex R is a premium acrylic latex bonding agent designed to enhance adhesion and tensile strength (up to 500 PSI) in Portland cement mortar and concrete. Its freeze/thaw resistant formula ensures durability in extreme weather, making it ideal for both professional and DIY projects. Ready-to-use in a convenient 1-quart bottle, it improves surface toughness without creating vapor barriers, delivering reliable, long-lasting performance.

Specifications

Brand	SIKA
Specific Uses For Product	Amateur, Professional
Material	Acrylic
Item Form	Liquid
Special Feature	Freeze/Thaw Resistant
Color	White
Item Package Quantity	1
Package Information	Bottle
Item Volume	1 Quarts
Viscosity	Moderate
Full Cure Time	1 Days
Water Resistance Level	Water Resistant
Tensile Strength	500 PSI
Unit Count	1.0 Count
UPC	033886079730
Manufacturer	Sika USA
Part Number	471643
Item Weight	2.2 pounds
Product Dimensions	3 x 3 x 9.5 inches
Item model number	471643
Size	1 Quart
Style	Construction
Special Features	Freeze/Thaw Resistant
Included Components	Car Care Chemicals;Body Repair & Paint Products;Sealants & Paint Removers Adhesives;automotive adhesives and sealants
Batteries Required?	No

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