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All Categories > Construction Sealants & Adhesives > BASF Sealants > Sonolastic Primer 733 and Primer 766  
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Sonolastic Primer 733 and Primer 766


Primer 733 is a quick-drying solventbased primer for priming joints and substrates before application of Sonolastic NP 1, TX 1, NP 2, Ultra, SL 1, SL , and Sonolastic 150 series sealants. Primer 766 is a high-solids, low- VOC solvent-based primer for priming joints and substrates before application of Sonolastic NP 1, TX 1, NP 2, and Ultra sealants.

Where to Use Application 
• As primers for Sonolastic® joint sealants

Yield
PRIMER 733 AND PRIMER 766
35 – 40 ft2/pt (6.87 – 7.86 m2/L)
450 linear ft (137 m) for a
1/2" (13 mm) deep joint

LOCATION
• Interior or exterior
• Above grade

SUBSTRATE
• Concrete and masonry joints and substrates
• Metal joint substrates such as stainless steel, copper, galvanized steel, aluminum
• High performance fluorocarbon coatings, such as Kynar 500 based coatings, on aluminum (Primer 733 only)
• Glass (Primer 766)

How to Apply
Surface Preparation

1. Masonry surfaces must be sound, clean, dry, and free of all paint, grease, oil, dirt, and foreign matter.
2. Concrete surfaces must be fully cured and free of laitance, moisture, or form oils.
3. Where necessary, clean joint surfaces by grinding, sandblasting, or mechanical abrading; remove dust, dirt, and loose particles before priming.
4. Metal-edged joint surfaces must be clean and free of all rust, oil, and dirt.



Item #

Product Name

Packaging

Unit Quantity

Weight

SON733.1PT 733 Primer per pint Per Pint 1.5 lbs. per pint
SON766.1PT 733 Primer per pint Per Pint 1.5 lbs. per pint

 DOWNLOADS 

BASF Primer 733, 766 Data Sheet

BASF Primer 733 MSDS

BASF Primer 766 MSDS