The steel cylinder project was sprayed in October, 2018. It is located in Changzhou city, Jiangsu province and the total spray area is 3000 square meters. We sprayed our Qtech-403 polyurea product to the project. Our pure polyurea coating has achieved very good corrosion resistance, protection and appearance effects.
Qtech-403 Physical Properties
Gel Time/s | 14 | Anti-abrasion/ (cm3/1.61km) | ≤0.035 |
Touch Free (25±2℃) | Within 1 min, walking strength in 10min | Adhesion/ (Peeling off, MPa) | ≥7 |
Tensile Strength /MPa | ≥25 | Water permeability /(0.3MPa/30mon) | No |
Elongation at break/% | ≥400 | Salty Fog(2000h) | No Rust, No Bubble, No Peeling-off |
Tear Strength/ (N/mm) | ≥65 | Chemical Medium Resistance | No Rust, No Bubble, No Peeling-off |
Hardness/shore A | ≥88 |
Spraying polyurea elastomer coating is a kind of high performance coatings without solvent and pollution. It’s performance can be widely adjusted to suit different spray environment and the performance requirements. The pure polyurea is no-solvent but can cure quickly. Furthermore, pure polyurea can be sprayed in any surface.
Polyurea Applications
Pure polyurea material has excellent waterproof, anti-corrosion and anti-abrasion properties. The polyurea coating has no joint and smooth appearance.
Pure polyurea is widely used in different kinds of projects, especially suitable for:
1. Waterproofing projects: high-speed railway, tunnel, sports buildings, roof, underground, pool, water conservancy project, etc.
2. Anti-corrosion projects: exterior & interior pipe line/storage tank, oil pipeline, etc.
3. Wearing resistant projects: ocean projects, industrial flooring, film and television properties, industrial and civil construction etc.
Polyurea can also be applied over a variety of different substrate (concrete, metals, wood and more) in a wide range of temperature and humidity environments.In addition to fixed workshop locations, coating products can be sprayed any time, any place.
Polyurea Features
1. High reactivity and fast curing speed.
2. Not sensitive to temperature and humidity, even can be cured on the surface of the water and ice.
3. Excellent physical properties, such as high die performance, high tensile strength, high elongation, impact strength and so on.
4. It does not contain any volatile organic compounds (VOC), is environmentally friendly, and is non-toxic, odorless and non-polluting.
5. Excellent chemical resistance and decorative.
6. Good weather resistance and aging resistance.
Polyurea Coating Description
The polyurea elastomer is an elastomer formed by reacting an A component isocyanate with a B component amino mixed resin. The most basic characteristics are anti-corrosion, waterproof and wear-resistant.
A component may be an aromatic isocyanate or an aliphatic isocyanate. B component is composed of a terminal amino polyether and a terminal amino chain extender.
A/B component reacts to form a urea bond, and the structure of the urea bond is symmetrical, with stable characteristics and excellent bond energy, which makes the polyurea excellent in characteristics and very stable.
