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Quick Details

  • CAS No.: 9003-01-4
  • Other Names: Wall Paint
  • MF: Mixture
  • EINECS No.: 231-072-3
  • Place of Origin: Guangdong, China (Mainland)
  • Main Raw Material: Polyurethane
  • Usage: Building Coating, Other
  • Application Method: Brush
  • State: Liquid Coating, Liquid
  • Brand Name: Dayu
  • Model Number: DY-SPU
  • certification: CE, ISO Certificate
  • HS code: 3208901090
  • port: Huangpu port,Guangzhou
  • tansportation: by sea
  • package: 20kg/pail; 25kg/pail
  • color: black; green; red; yellow; grey

Packaging & Delivery

Packaging Details hardcover iron pail, OEM can be provided.
Delivery Time 5 days for one 20 feet container after received 30% deposit

Single Component  Polyurethane Liquid Waterproofing Coating




This kind of product is a newly developed high polymer waterproof material of the 90s, its main ingredient is polyurethane and other macromolecular substance. Its also the most perfect upgraded material among the domestic waterproof material, its performance index reaches the level of the like products of abroad.



1. Excellent resistance to moisture, non-toxicity, non-harmful, safety construction.

2. Liquid and cold construction, simple operation, perfect waterproof effects.

3. Good mechanical, stable weather resistance.



1. Various types of roofs: including cement, bamboo, timber, steel, asbestos shingle,

 and different shapes of roofs.

2. Underground structure: inner wall, exterior wall, bottom plate, elevation pit, retaining wall, underground tunnel, well, pipeline of underground concrete.

3. Surface structure: bridge, motorway, toilet, kitchen, bathroom, swimming pool, non-drinking pool, flowerbed.

4. Joint: expansion joint, construction joint, settlement joint, crack in the wall, sprout.

5Antisepsis: metal pipe, antiseptic terrace, antiseptic pool.


Construction main points

1. Construction base shall be strong, clean without dust

2. White coating: black coating =1:2.5, putting blackings into the container first, then adding white coating and stirring well and thoroughly.

3. Knif-coating the base thoroughly with rubber scraper blade, the thickness of coating is 2.00mm, and knifcoating in twice.

4.In order to strengthen the cohesive force between the waterproof layer and protective layer, sprinkling coarse sand or stone grain on the surface before the second coating solidified .



1. Not having water on the base, dry first if having the water.

2. Shall be pressurized, running out within one day after unsealing.

3. Avoid from direct sunlight within 3 days if constructed on wet base.


Technical data sheet 

Guangdong Province Contruction Products Inspection Center

Test Report

Sample name: DY-Double units Polyurethane Coating

Ref No:GD2011-01-00110

Specifation/modle: DY-911

Sample No:011-01-00110

Ref Standards: GB/T19250-2008

Sample quanity:White coating 2kg, Black coating 3kg



Test Item

Standard value

Measured value


Solid content,%




Tensile strength,Mpa








Cold flexibility




Tear resistance N/mm





No leackage



All test are qualited based on the Ref Standards: GB/T19250-2003 conventional items and instruction .


Proportion: White coating:Black coating=1:2



Company Information  

Guangdong Dayu is a large collectivize company, specializing in waterproof science and technology. The company is an integration of R&D, manufacture, marketing, construction and technical services in building waterproofing industry. We initially entered building waterproofing industry in 1995, enjoying a famous old brand in domestic market.


Guangdong Dayu consists of three subsidiaries:


Guangdong Dayu Jiuding Waterproof Technology Co.,Ltd, established in 2014, registered capital RMB80 million.


Guangzhou Dayu Building Waterproof Material Co.,Ltd, established in 2008, registered capital RMB100 million.


Guangzhou Dayu waterproof Technology Development Co.,Ltd, established in 1995, registered capital RMB60 million.


Guangdong Dayu conducts collectivized management and has established engineering company and material company and set up sales branches and offices in many major domestic capital cities. We have two large-scale production research and development bases in Guangzhou and Qingyuan, which have several wide width modified asphalt membrane production lines, high-molecular membrane production lines and eco-friendly coating lines, with an annual output capacity of 20 million square meters of modified asphalt waterproofing materials, 15 million square meters of TPO, HDPE, EVA and PVC waterproofing materials and 20 thousand tons of eco-friendly waterproofing coatings. The company marketing network is all over the country and benefits the overseas, with 300 dealer network domestically, meanwhile products are sold to southeast Asia, Australia, Africa, Europe, America and other countries and regions.







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