AQUACRYL™ PUD 6000 is a unique aliphatic polycarbonate polyurethane dispersion with outstanding hardness, excellent water, and alkali resistance, and good chemical resistance for use in various Industries. It is mainly used in concrete coatings, floor and wall coatings, multi-surface coatings, and wood coatings.
It has been successfully tested and used in high-performance one-component waterproofing membranes. Below are the lab test results:
Water Resistance of Dry Film of AQUACRYL™ PUD 6000
Water Spotting Test
The water spotting test showed that the dry film of AQUACRYL™ PUD 6000 did not turn whitish after 24 hours which indicate very good water resistance.
Image 1. (a) AQUACRYL™ PUD 6000 (b) Control
Test of waterproofing membrane
AQUACRYL™ PUD 6000 is formulated with an Acrylic/PUD hybrid emulsion, AQUACRYL™ 2519 at an 83:17 ratio in a waterproofing membrane formula to achieve a balance of cost and performance (Sample A). We also included a market-proven waterproofing paint as a control in this test (Sample B). Three tests were conducted as follows:
Negative-side Waterproofing Test
Two coats of waterproofing membrane were applied on the surface of the concrete panel with one-hour of drying in between coats. The coating was air dried for 24 hours and was further dried in a 50°C oven for 12 hours. The back of the coated panels was then immersed in the water as shown below. After 30 days of testing both samples, A and B are stable and did not show any blistering on the surfaces.
Positive-side Waterproofing Test
Three coats of waterproofing membrane were applied to the mesh cup with one hour of drying in between coats. The coating was air dried for 24 hours and was further dried in a 50-degree C oven for 12 hours. Water was then placed inside the coated mesh cup.
Two coats of waterproofing membrane were applied on the surface of concrete panel with one hour drying in between coats. The coating was air dried for 24 hours and was further dried in a 50°C oven for 12 hours. The back of the coated panels was then immersed in a solution containing 5% sodium hydroxide and 5% sodium chloride.
After 5 days of testing, there is no change in appearance for both samples.
After 20 days, film of sample A started to wrinkle and film of sample B appeared yellowish and delamination.
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