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Waterproof coating

Single-part PU waterproof coating(E-203)

      Specifications:
  • 1 kg/barrel, 5 kg/barrel, 25 kg/barrel
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Product Description

E - 203 reaction mechanism of Single-part PU waterproof coating is NCO terminal base in polyurethane prepolymers with moisture in the air or grassroots catalytic curing film, can be in damp base level and the structure of the complex engineering construction. Paint after curing to form a layer of seamless, strong cohesive force, the overall and rich flexibility, tough waterproof film.

 

Product Features

1. Single-part packaging, open barrels box, avoid the construction process of two or more components in the mixing proportion caused by improper metering quality unstable;

2. Product performance is stable, excellent aging resistance, acid resistance, alkali resistance, fatigue resistance, high and low temperature performance;

3. Environmental protection: conform to the requirements of the harmful material set limit to GB 50325-50325;

4. Can the polymer and the coil, the viscosity of modified asphalt waterproof coiled material composite using a composite waterproofing system.

 

 

Where to use

1. The exposure of roofing, basement waterproofing engineering, indoor hutch defends waterproof;

2. The drinking water project.

 

Construction procedure

Construction preparation→ base treatment → Detail, node, and processing →scraping the bottom layer of the coating  processing →Surface coating layer→ organization acceptance→ protective cover

 

Main Points of Construction

1. Clean, solid base level requirements, defects should be repaired;

2. Details: in the first Angle, a layer of paint coated pipe root of inside and outside, the shop is stuck again strengthen layer (glass fiber cloth or nonwoven, etc.), and makes the coating completely soaked with strengthening layer;

3. The base surface: "at the grass-roots level to strengthen treatment agent is added in the coating increase with the seal of the grassroots and permeability;

4 layer surface: the coating evenly coated with rubber scraper scrape on the base of a coated before blowing direction and a vertical surface direction. Coating table dry room temperature about 12 hours, before each coating intervals, coating is not glue the hand, generally need to surface 2-3 times (or according to the design requirements);

5. Every time the thickness in 0.5 0.8 mm advisable;

6. Basic level processing recommendation: at the grass-roots level to strengthen treatment: advocate material = 1:2 (weight ratio), will be at the grass-roots level to strengthen treatment according to the proportion of slowly pour into the coating, scattered with agitator used after stir well.

 

Technical Data Sheet

Number

Item

III
1

Tensile strength ,Mpa ≥

1.92.45
2

Elongation at break,% ≥

550450
3

Tear strength,N/mm ≥

1214
4

Low temperature flexural properties,℃ ≤

-40
5

Impermeability0.3MPa 30min

Impermeable

6

Solid content,% ≥

80
7

Surface drying time ,h ≤

12
8

 Fully drying time,h ≤

24
9

 Heat stability,%

 ≤1.0
-4.0
10

Adhesive strength on moist base surface, Mpa ≥

0.50
11Set with agingHeat aging

No crack and deformation

Artificial climate agingb)

No crack and deformation

12

heat treatment  

Elongation rate ,%

80-150

Elongation at break,% ≥

500400

Low temperature flexural properties,℃ ≤

-35
13

Alkali treatment 

Elongation rate,%60-150
Elongation at break,% ≥500400
Low temperature flexural properties,℃ ≤-35
14

Acid treatment 

Elongation rate,%80-150
Elongation at break,% ≥500400
Low temperature flexural properties,℃ ≤-35
15Artificial climate agingb)Elongation rate,%80-150
Elongation at break,% ≥500400
Low temperature flexural properties,℃ ≤-35

A) only for moisture on the surface of the base requirements of underground engineering. B) only for the leakage using the product.


 

Dosage of reference

1 mm thick coating, reference usage is about 1.3 Kg /㎡


Matters Attention

1. Open after an exhausted, use time for half an hour. When the product storage period is longer, might form a layer of thin film coating surface, when used. Does not affect the use effect;

2. The coating construction before curing it is forbidden to walk on the waterproof layer, weights and sharp objects are strictly prohibited to damage the waterproof layer;

3. Keep ventilated, construction site construction personnel equipped with the protection object such as safety helmet, gloves, work shoes, in order to avoid from irritation of the skin and eyes, the construction site shall not contact with fire;

4. Upon the acceptance of coating to do protective layer construction;

5. In the low temperature environment construction, in order to ensure the dry solid velocity can add special matching curing additive;

6. Restrictions on the use of rain and snow, wind and cold weather;

7. Do not conform to the requirements on the basic of unfavorable use.

 

Storage/Transportation/Packaging

1. Stored in dry room, away from fire and heat source, storage temperature should not be higher than 40 ℃;

 

2. Shelf life: 12 months from the date of production;

 

3. In the process of transportation to prevent collision and weathered;

 

4. Packaging specifications: 1 kg/barrel, 5 kg/barrel, 25 kg/barrel.

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