AquaRux® PMA-4811

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AquaRux® PMA-4811

waterborne acrylic emulsion, polyurethane-modified emulsion, wood coating emulsion, self-crosslinking acrylic

AQUARUX® PMA-4811 is a self-crosslinking waterborne polyurethane-modified acrylic emulsion. It offers excellent chemical resistance, water resistance, fast hardness build, good stackability, and excellent transparency. Designed for European-style and antique wood finishing, it can be used as primer or topcoat, in clear or pigmented systems. It may be used alone or blended with other waterborne polyurethane or acrylic emulsions.

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AQUARUX® PMA-4811

(Waterborne Polyurethane-Modified Acrylic Emulsion for Wood Coatings)

产品概述:

AQUARUX® PMA-4811 is a self-crosslinking waterborne polyurethane-modified acrylic emulsion. It offers excellent chemical resistance, water resistance, fast hardness build, good stackability, and excellent transparency. Designed for European-style and antique wood finishing, it can be used as primer or topcoat, in clear or pigmented systems. It may be used alone or blended with other waterborne polyurethane or acrylic emulsions.

规格说明 :

Item

Specification

外观

Milky white to slightly yellowish liquid

Solid content

40 ± 2%

pH value (25°C)

7 – 9

粘度 (25°C)

< 500 mPa·s

MFFT

approx. 41°C

Coalescent dosage

6 – 7% (on total formulation)


性能特点 :
  • Self-crosslinking – no external crosslinker required

  • Fast hardness build – good stackability

  • Excellent chemical and water resistance

  • Good transparency

  • Easy sanding

  • Warm wood effect

  • Good compatibility with other waterborne PU or acrylic emulsions

  • Suitable for clear and pigmented systems, primers and topcoats

应用体系 :
  • European-style and antique wood finishes

  • Wood primers and topcoats (clear and pigmented)

  • Can be used alone or blended with other waterborne emulsions

Formulation Example – Glossy Clear Topcoat :


Raw Material

Parts (phr)

Supplier / Description

AQUARUX® PMA-4811

89

Polyurethanemodified acrylic emulsion

Deionized water

3

—

Agesin® WD-A7422

0.2

Substrate wetting agent

DPnB

3.5

Coalescent

DPM

3

Coalescent

Agesin®DF-A5063

0.1

Defoamer

Agesin®DF-D9024

0.05

Defoamer

Agesin®LA-D5410

0.2

Leveling agent

Agesin®LA-D5482 G

0.3

Slip agent

Agesin®RH-2020 OS

0.3

Thickener

Agesin®RH-6040 OS

0.25

Thickener

BIT 10%

0.1

Biocide

Total

100



Processing Instructions:

  1. 1. Add the emulsion (Part 1), start the disperser at 800 rpm.

  2. 2. Pre‑mix water and additives (Parts 2–7) thoroughly, then add to the emulsion. Disperse at high speed for 10 minutes, and check for craters.

  3. 3. Slowly add the remaining additives (Parts 8–12) one by one, stir for 20 minutes, then filter through a 200‑mesh filter bag.


Application Ratio (by weight): Paint : Water = 100 : 5 – 15 (for spray application)


Drying: Ambient drying



储存 :
  • Packaging: 50 公斤, 125 公斤 or 200 公斤/桶.

  • Storage:Store at 5 – 35°C in a dry, well‑ventilated area. Protect from freezing. Do not mix with cationic materials or solvent‑based paints. Recommend evaluating product performance under actual application conditions before use.

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