Home > Products > Polyurethane waterproofing products > One-component Waterproof Coating Material DTPU-401
One-component Waterproof Coating Material DTPU-401
- Shanghai
- T/T
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Product Details
| CAS No. | 9009-54-5 | Place of Origin | Shanghai, China | |
| Type | Other | Brand Name | Dongda | |
| Model Number | DTPU-401 |
Product Description
DTPU-401 is a mono-component polyurethane waterproof coating produced by addition polymerization of polyether polyol with isocyanate and supplemented with certain additives and fillers. The -NCO end groups in the polyurethane prepolymer react with the moisture in the air and form a tough, flexible and seamless waterproof membrane on the coating base where the paint is applied to.
Regulatory information
Fully meet the technical requirements of GB19250-2003Polyurethane Waterproofing Coating for mono-component waterproof coating products.
Product characteristics
1.Mono-component, available to use when it is opened, easy and quick execution.
2.Strong tensile strength, high extensibility, excellent high and low temperature resistance, well adapted to shrinkage, cracking and deformation of coating base.
3.Strong adhesive force, no need of brushing treatment agent on many coating bases which meet the requirements.
4.Dense film, free from bubbles and holes.
5.Film is formed through chemically react, excellent resistance of long-term water erosion, corrosion and mildew.
6.Environmentally friendly, no benzene solvent and coal tar ingredients.
7.No need to heat, easy to operate.
Where to use
1.Kitchen, bathroom,floor, balcony and non-exposed roofs.
2.Basement, including Building basement, underground garage, metro and access in open cut method.
3.Swimming pools,fountain, ponds and ditches.
4.Top plate at plazas and parking ports
Typical properties
item | Type I by GB | Type II by GB | DTPU-401 | ||
Tensile strength /MPa≥ | 1.90 | 2.45 | 3 | ||
Breaking elongation/%≥ | 550 | 450 | 1200 | ||
Tear strength/(N/mm)≥ | 12 | 14 | 16 | ||
Flexibility at low temperature /℃≤ | -40 | -40no cracking | |||
Water-tightness 0.3MPa 30min | impermeable | impermeable | |||
Solid content /%≥ | 80 | 90 | |||
Surface drying time/h≤ | 12 | 10 | |||
Fully drying time/h≤ | 24 | 24 | |||
Heating elongation/% | ≤ | 1.0 | 1.0 | ||
≥ | -4.0 | -4.0 | |||
Bonding strength on moist surface a/MPa≥ | 0.50 | 0.50 | |||
Aging at certain elongation | Heating aging | No cracking and deformation | No cracking and deformation | ||
Normal condition | No cracking and deformation | No cracking and deformation | |||
Heat treatment | Retention rate of tensile strength/% | 80~150 | 105 | ||
Breaking elongation/%≥ | 500 | 400 | 500 | ||
Flexibility at low temperature/℃≤ | -35 | -35, no cracking | |||
Alkali treatment | Retention rate of tensile strength/% | 60~150 | 90 | ||
Breaking elongation/%≥ | 500 | 400 | 500 | ||
Flexibility at low temperature /℃≤ | -35 | -35, no cracking | |||
Acid treatment | Retention rate of tensile strength/% | 80~150 | 110 | ||
Breaking elongation/%≥ | 500 | 400 | 550 | ||
Flexibility at low temperature/℃≤ | -35 | -35, no cracking | |||
Normal condition | Retention rate of tensile strength/% | 80~150 | 105 | ||
Breaking elongation/%≥ | 500 | 400 | 500 | ||
Flexibility at low temperature/℃≤ | -35 | -35, no cracking | |||
a,Moist surface of underground project only | |||||
b,Surface that exposed to air only | |||||
Contact Us
- Shanghai Dongda Polyurethane Co., Ltd.
- Contact namePan Li Chat Now
- Phone86-21-57248959,15900416162
- AddressNo. 307, Shanning Road, Shanyang Town
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