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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SIKA - SikaLatex R - Concrete Adhesive Glue, White - Admix for Portland-Cement Mortar/Concrete - Resistant to Freezing and thawing Damage - 1-Gallon

Product ID: 679758513

Details

Brand
SIKA
Item form
Liquid
Material
Concrete
Special features
Durability in
Specific uses for product
Amateur

🔗500 PSI tensile strength

❄️Freeze-thaw resistant

🛠️1-gallon ready-to-use

137245CFA

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Description

🔗 Fortify your concrete game with SIKA’s unstoppable bond!

VERSATILE PERFORMANCE - Works as both a bonding adhesive and acrylic primer, creating denser, tougher surfaces without vapor barriers.
EFFORTLESS APPLICATION - Ready-to-use 1-gallon formula means no dilution or fuss—perfect for pros and DIYers alike.
WEATHERPROOF RESILIENCE - Engineered to withstand repeated freezing and thawing—no more seasonal cracks or repairs.
UNBREAKABLE BONDING POWER - Boost your concrete’s tensile strength up to 500 PSI for rock-solid durability.
TRUSTED QUALITY CONVENIENCE - Compact storage and easy handling keep your projects on schedule and on point.

SIKA SikaLatex R is a premium acrylic-polymer latex bonding agent designed to enhance adhesion and tensile strength (up to 500 PSI) in Portland-cement mortars and concrete. Its freeze-thaw resistance ensures long-lasting durability in harsh climates, while the ready-to-use 1-gallon container offers convenience for both professional contractors and home DIY enthusiasts. Ideal for a variety of applications, it improves surface density and toughness without creating vapor barriers, making it a versatile and reliable choice for superior concrete performance.

Specifications

ASIN	B000RUMZ6K
Best Sellers Rank	#65,648 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #120 in Universal Adhesives
Brand Name	SIKA
Color	White
Compatible Material	Concrete
Container Type	Pail
Customer Reviews	4.6 4.6 out of 5 stars (815)
Full Cure Time	30 Days
Global Trade Identification Number	00033886001069
Included Components	1 Gallon
Item Form	Liquid
Item Package Quantity	1
Item Type Name	Concrete Bonding Adhesive and Acrylic Fortifier
Item Weight	8.5 Pounds
Manufacturer	SIKA
Material Type	Concrete
Model	187782
Number of Pieces	1
Other Special Features of the Product	Durability in the elements, Resistant to freezing and thawing damage
Part Number	187782
Specific Uses For Product	Amateur, Professional
Tensile Strength	500 Pounds Per Square Inch
UPC	033886001069
Unit Count	128 Milliliters
Viscosity Level	Medium to High
Volume	1 Gallons
Water Resistance Level	Not Water Resistant

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