MACRYNAL SM 6826W/43WA

MACRYNAL SM 6826W/43WA is a waterborne hydroxy-functional polyacrylate dispersion developed for high-performance 2K polyurethane coating systems.
MACRYNAL SM 6826W/43WA offers fast drying, good pigment loading, high dry film build, and strong resistance to popping during application.
MACRYNAL SM 6826W/43WA's solvent-free structure makes it suitable for modern low-VOC coating formulations such as primer surfacers, fillers, matte topcoats, and clear coats.

Synonyms: MACRYNAL SM 6826W/43WA, MACRYNAL SM 6826W/43WA, MACRYNAL SM 6826W 43WA, MACRYNAL SM 6826W/43WA Resin, MACRYNAL SM 6826W/43WA Polyacrylate Dispersion, Hydroxy-Functional Polyacrylate Dispersion, Waterborne Hydroxy-Functional Acrylic Resin, Waterborne Polyacrylate Resin, Aqueous Acrylic Resin Dispersion, 2K Polyurethane Binder Resin, Waterborne 2K PU Acrylic Binder, Polyisocyanate-Crosslinkable Acrylic Dispersion, Low-VOC Acrylic Binder Resin, Solvent-Free Acrylic Resin Dispersion, Acrylic Binder for Primer Surfacer, Acrylic Binder for Matte Topcoat, Acrylic Binder for Clear Coat

MACRYNAL SM 6826W/43WA is a waterborne, hydroxy functional polyacrylate dispersion, belonging to our ECOWISE™ CHOICE product range for selected applications.
MACRYNAL SM 6826W/43WA is highly suitable for the formulation of top quality 2-pack polyurethane coatings, in particular primer surfacers/fillers as well as matte top- and clear coats, when used in combination with water-emulsifiable polyisocyanates.

MACRYNAL SM 6826W/43WA is a waterborne, solvent-free, hydroxy-functional polyacrylate dispersion.
MACRYNAL SM 6826W/43WA is designed for high-quality 2K polyurethane coating systems, especially when combined with water-emulsifiable polyisocyanates.

MACRYNAL SM 6826W/43WA is suitable for primer surfacers, fillers, matte topcoats, and clear coats.
MACRYNAL SM 6826W/43WA provides high dry film thickness in one application, a high popping limit, fast drying, good pigment loading, and low/zero VOC performance.

MACRYNAL SM 6826W/43WA is an aqueaous and solvent-free acrylic polyol dispersion designed for systems where high film built without popping & blistering and matt finish without matting agent are desired.
These properties make it a binder of choice for waterbased fillers or primers for car refinish and commercial vehicle refinish.

MACRYNAL SM 6826W/43WA is a water-borne, solvent-free, hydroxy-functional polyacrylate dispersion.
MACRYNAL SM 6826W/43WA exhibits high dry film thickness, very broad application window, fast surface and hard drying and direct grinding (shear stable).

MACRYNAL SM 6826W/43WA offers high pigment loading, high chemical-, solvent- and UV resistance.
MACRYNAL SM 6826W/43WA is suitable for top quality 2-pack polyurethane coatings, in particular primer surfacers/ fillers as well as matte top- and clear coats, when used in combination with water-emulsifiable polyisocyanates.

MACRYNAL SM 6826W/43WA contains 0.25 % N.N-dimethylethanolamine as neutralization agent.
MACRYNAL SM 6826W/43WA has a shelf life of 365 days.

MACRYNAL SM 6826W/43WA is a waterborne acrylic polyol dispersion.
MACRYNAL SM 6826W/43WA can be neutralized with DMEA.

MACRYNAL SM 6826W/43WA exhibits very high dry film thickness (>150 µm) without defects, fast surface drying and shear stability with high pigment loading possible.
MACRYNAL SM 6826W/43WA is used in plastics.

Applications of MACRYNAL SM 6826W/43WA:
MACRYNAL SM 6826W/43WA is used for high-quality 2K polyurethane coating systems.
MACRYNAL SM 6826W/43WA is especially suitable for primer surfacers, fillers, matte topcoats, and clear coats.

MACRYNAL SM 6826W/43WA is used together with water-emulsifiable polyisocyanates in waterborne coating formulations.
MACRYNAL SM 6826W/43WA is suitable for industrial metal coatings and vehicle refinish applications.

MACRYNAL SM 6826W/43WA supports high dry film thickness in one application, high popping resistance, fast drying, and good pigment loading.
MACRYNAL SM 6826W/43WA is useful in low/zero VOC coating systems where waterborne acrylic resin technology is required.

Industrial metal polyurethane primer:
Steel, aluminum alloy and other substrates, enhancing adhesion and corrosion resistance, suitable for protective primers of construction machinery and hardware.

High - end furniture protective primer:
Metal accessories of wooden furniture, improving coating - substrate adhesion, meeting furniture surface decoration and protection needs.

General machinery protective primer:
Metal parts of motors, pumps and valves, oil - resistant and moisture - resistant, providing stable base for subsequent coatings.

Hardware accessories decorative primer:
Door and window hardware, bathroom accessories, improving coating uniformity and weather resistance, suitable for indoor and outdoor use scenarios.

Features of MACRYNAL SM 6826W/43WA:

Stable cross - linking & strong adhesion - Sufficient cross:
Linking with polyisocyanates, excellent adhesion to metal substrates, enhancing primer protection foundation and ensuring topcoat effect.

Wide system compatibility:
Suitable for solvent - borne/solvent - free systems, compatible with various curing agents and pigments, meeting different formulation needs and reducing development costs.

High solid & low emission:
High solid content design, VOC≤420g/L, meeting EMEA environmental standards, reducing solvent emission and construction/environmental risks.

Efficient construction & easy operation:
Good viscosity adaptability, sprayable/brushable, uniform film formation, suitable for mass production and small - batch customization, improving construction efficiency.

Outstanding Features:
Very high dry film thickness (>150 µm) without defects
Very broad application window
Very fast surface and hard drying
Direct grinding (shear stable)
Very high pigment loads
Very high resistance to chemicals and solvents
Good UV resistance

Stability and Reactivity of MACRYNAL SM 6826W/43WA:

Chemical stability:
MACRYNAL SM 6826W/43WA is stable under normal recommended handling and storage conditions.

Reactivity:
MACRYNAL SM 6826W/43WA is a hydroxy-functional polyacrylate dispersion and can react with polyisocyanates in 2K polyurethane coating systems.

Possibility of hazardous reactions:
Hazardous reactions are not expected during normal storage and handling.
Uncontrolled mixing with reactive curing agents or incompatible chemicals should be avoided.

Conditions to avoid:
Heat, freezing, direct sunlight, open flames, sparks, hot surfaces, contamination, poor ventilation, and prolonged exposure to air should be avoided.

Incompatible materials:
Strong oxidizing agents, strong acids, strong bases, reactive isocyanates under uncontrolled conditions, and highly reactive chemicals should be avoided.

Hazardous decomposition products:
Thermal decomposition or fire may produce carbon oxides, irritating smoke, and hazardous organic vapors.

Handling and Storage of MACRYNAL SM 6826W/43WA:

Handling:
MACRYNAL SM 6826W/43WA should be handled using good industrial hygiene and waterborne coating-resin handling practices.

Safe handling:
Avoid breathing mist, vapor, or spray.
Avoid contact with skin, eyes, and clothing.

Ventilation:
Use adequate general ventilation and local exhaust ventilation in mixing, transfer, and coating application areas.

Fire protection:
Keep away from ignition sources.
Although the product has a flash point above 94 °C, normal fire-prevention measures should still be followed.

Storage:
Store in tightly closed original containers in a cool, dry, and well-ventilated area.

Storage precautions:
Protect from freezing, excessive heat, direct sunlight, and contamination.
Keep containers closed when not in use.
Keep away from food, drinks, and incompatible materials.

First Aid Measures of MACRYNAL SM 6826W/43WA:

General advice:
Remove the affected person from exposure and seek medical advice if symptoms occur or persist.

Inhalation:
Move the person to fresh air.
Keep the person warm and at rest.
Seek medical attention if coughing, dizziness, irritation, or breathing difficulty occurs.

Skin contact:
Remove contaminated clothing.
Wash skin thoroughly with soap and plenty of water.
Seek medical attention if irritation develops.

Eye contact:
Rinse cautiously with clean water for at least 15 minutes.
Remove contact lenses if present and easy to do.
Seek medical attention if irritation continues.

Ingestion:
Rinse mouth with water.
Do not induce vomiting unless instructed by medical personnel.
Seek medical advice if discomfort occurs.

Firefighting Measures of MACRYNAL SM 6826W/43WA:

Suitable extinguishing media:
Use water spray, foam, dry chemical powder, or carbon dioxide.

Unsuitable extinguishing media:
Do not use a strong direct water jet if MACRYNAL SM 6826W/43WA may spread the material.

Special hazards:
Fire may produce irritating smoke, carbon monoxide, carbon dioxide, and hazardous organic decomposition products.

Protective equipment:
Firefighters should wear self-contained breathing apparatus and full protective clothing.

Additional information:
Cool closed containers exposed to fire with water spray.
Prevent contaminated firefighting water from entering drains, soil, or waterways.

Accidental Release Measures of MACRYNAL SM 6826W/43WA:

Personal precautions:
Avoid breathing mist, vapor, or spray.
Avoid contact with skin, eyes, and clothing.
Use appropriate personal protective equipment.

Environmental precautions:
Prevent release into drains, surface water, groundwater, and soil.

Containment:
Stop the leak if it is safe to do so.
Contain spilled material with inert absorbent material such as sand, earth, vermiculite, or universal binder.

Cleaning method:
Collect absorbed material into suitable closed containers for disposal.
Wash the contaminated area with water and suitable cleaning agents.

Waste disposal:
Dispose of waste according to local, regional, and national regulations.

Exposure Controls / Personal Protection of MACRYNAL SM 6826W/43WA:

Engineering controls:
Use adequate ventilation and local exhaust systems to control workplace exposure.

Respiratory protection:
Use suitable respiratory protection if ventilation is insufficient or if mist, vapor, or spray exposure may occur.

Hand protection:
Wear chemical-resistant protective gloves.

Eye protection:
Wear safety goggles or chemical splash goggles.

Skin and body protection:
Wear protective clothing suitable for industrial chemical handling.

Hygiene measures:
Wash hands before breaks and after handling.
Do not eat, drink, or smoke in working areas.
Remove contaminated clothing and wash before reuse.

Identifiers of MACRYNAL SM 6826W/43WA:
INCI/Chemical Name: Acrylic copolymer in water-based emulsion, solvent-free
SKU: BP159019

Properties of MACRYNAL SM 6826W/43WA:
Appearance: Whitish liquid dispersion.
Dynamic Viscosity: < 500 mPa·s at 23 °C and 25 1/s.
pH Value: 6.7 – 7.7 at 10%.
Non-Volatile Matter: 41.5 – 44.5% at 125 °C for 10 min.
Hydroxyl Value: 145 mg KOH/g based on solid matter content.
Minimum Film-Formation Temperature: Approximately 14 °C.
Density: Approximately 1.06 g/cm³ at 20 °C.
Flash Point: > 94 °C.

Appearance: Whitish liquid dispersion.
Dynamic Viscosity: < 500 mPa·s at 23 °C and 25 1/s.
pH Value: 6.7 – 7.7 at 10%.
Non-Volatile Matter: 41.5 – 44.5% at 125 °C for 10 min.
Hydroxyl Value: 145 mg KOH/g based on solid matter content.
Minimum Film-Formation Temperature: Approximately 14 °C.
Density: Approximately 1.06 g/cm³ at 20 °C.
Flash Point: > 94 °C.

Specifications of MACRYNAL SM 6826W/43WA:
Appearance: Pale yellow transparent liquid
Solid Content: 55 ± 2 % (by weight)
Hydroxyl Content (on solids): 3.8 ± 0.3 %
Solvent System: BAC (specific mixed solvent)
Viscosity (23℃): 600 - 900 mPa·s
Acid Value (on solids): ≤ 3.0 mg KOH/g
Density (23℃): 0.97 ± 0.02 kg/L
Flash Point (Setaflash): 33 ℃
Glass Transition Temperature (Tg): 32 ± 5 ℃
Drying Time (Tack-Free, 23℃, 50% RH): ≤ 12 min