Waterbased Automotive Coatings Defoamer
SURFADOL® 541A is a multi-functional surfactant that combines dynamic wetting and molecular defoaming in waterborne coatings and inks.
Description
Waterbased Automotive Coatings Defoamer
SURFADOL® 541A
SURFADOL® 541A is a multi-functional surfactant that combines dynamic wetting and molecular defoaming in waterborne coatings and inks.
Composition
50% 2,4,7,9-Tetramethyldec-5-yne-4,7-diol in 2-ethylhexanol
CAS No: 126-86-3
ACME product category: SURFADOL® 541 Series Surfactants; acetylenic diol-based additives
Alternative to 104A
Typical properties
|
Chemical family |
Acetylenic diol; Nonionic surfactant; Gemini surfactant |
|
Appearance |
Light yellow liquid |
|
Equilibrium surface tension (concentration 0.1%, 1b/s) |
39.9 dynes/cm |
|
Dynamic surface tension (concentration 0.1%, 6b/s) |
42.9 dynes/cm |
|
Density at 25°C, g/cm3 |
0.87 |
|
Solubility in water |
Slightly soluble |
|
Suggested use level |
0.2% - 2.0% of total formulation weight |
COA specifications
|
Test Item |
Standard |
|
Appearance |
Light yellow liquid |
|
APHA Color (Pt-Co) |
≤350 |
|
Density at 25°C, g/cm3 |
0.800-0.900 |
Performance benefits of SURFADOL® 541A multifunctional surfactant are listed as below.
● Low dynamic surface tension
● Ability to wet contaminated substrates
● Non-micelle forming
● Stability between pH 3-10
● Prevents surface defect problems such as fisheyes, crawling, and cratering on low-energy substrates
● Reduces microfoam in spray-applied systems
● Improves pigment grind efficiency
● Reduces water sensitivity
● Defoams, deairentrains, and improves flow
● Enhances leaf and soil penetration while improving bloom and stability in agricultural chemicals
● Lubricates, wets, and prevents smut formation while eliminating hot spots in metalworking fluids
● Silicone-free, APEO free, non-toxic
Application Area
SURFADOL® 541A can be used as wetting agent and molecular defoamer in the following products.
● Waterborne automotive coatings
● Waterborne industrial coatings
● Water-based printing inks
● Water-based adhesives
● Dye processing
● Fountain solutions
● Waterborne coatings
● Metalworking fluids
● Overprint vanishes
● Agricultural chemicals
● Pigment synthesis/ grinding/ dispersing
Package and storage
The standard package for SURFADOL® 541A surfactant is 180kg galvanized iron drums, 4 drums per pallet. The product is also available in 850kg IBCs and 20kg pails.
Keep containers tightly closed in a dry, cool, and well-ventilated place. Product is freeze-thaw stable; if it phase separates or freezes at colder temperatures, warm container to 40°C and mix thoroughly before use.
When stored in an original unopened packaging, the product has a shelf life of 48 months from the date of manufacture.
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