Glass flake coating is a kind of coating filled with fine flake glass powder. Its coating can not only be coated thickly, but also is an excellent heavy-duty anti-corrosion coating because of its great isolation effect and good anti-penetration effect on water, water vapor, electrolyte and oxygen. Epoxy resin coating film filled with glass sheet of appropriate specifications has much smaller moisture permeability than other coating films, and the thickness of glass coating is also very important, in order to achieve the desired anti-corrosion effect of the glass sheet coating, the coating thickness must be above 500μm.

　　Epoxy flake mastic HY-2

Composition:

Epoxy cement is made of epoxy resin as the base material, glass flake as the main anti-rust pigment, other anti-rust pigments, fillers, additives, organic solvents, epoxy curing agent and special corrosion-resistant nano-fillers, etc. It has high strength, acid resistance, alkali resistance, oil resistance, seawater resistance, abrasion resistance, mechanical properties and adhesion, and can prevent moisture or chemical gas intrusion. It is a new type of thin layer repair material with excellent performance in acid and alkali resistant paint.

Corrosion resistance Medium name Corrosion resistance

Sulfuric acid ≤ 60% acetic acid ≤ 10% resistance

Hydrochloric acid ≤ 31% Chromic acid resistance ≤ 10%

Nitric acid ≤ 10% resistance to mixed sewage

Sodium hydroxide ≤ 10% hydrofluoric acid resistance ≤ 5%

Note: above room temperature is only part of the anti-corrosion medium, should not be regarded as product specifications, details of the consultation.

　　Project Indicators Project Indicators

Appearance Paste gel time 25 ℃,h4-24

Specific gravity g/cm3 1.6 overcoating interval, h24-48

Compressive strength Mpa ≥ 35 Tensile strength ≥ 5MPa

Adhesive strength between mastic and acid-resistant ceramic tile ≥ 3.0MPa

Bonding strength of mastic and granite ≥ 2.5MPa

Bonding strength between cement mortar and cement mortar or concrete ≥ 2.0MPa

Adhesive strength between cement and steel ≥ 1.0MPa

　　Painting quantity:

Practical value: 150~200g/m2

Compounding ratio (weight ratio): main agent: hardener = 100:2(25 ℃)

After the use of time: about 60 minutes (25 ℃ HD-12)

Coating interval 2 hours to 30 days (refers to the touch drying time of about 4 hours)

Bottom surface treatment Sa2 1/2 or more

Operating conditions Ambient temperature: above 5 ℃

Ambient humidity: less than 85% (no condensation) detergent acetone or paint thinner package

Note: The above data is for reference only and can be adjusted to the required indicators according to requirements.

　Construction scheme:

When the mastic is applied, the primer layer must have been cured, and the primer layer must be exposed to the air for no more than two weeks. The scale mastic construction adopts the application and pressing method.

The smearing roller pressing construction operation is carried out by the operators using trowel, ash knife and other tools to apply to the protected surface according to a certain thickness requirement and a certain application direction, and then curing and forming after roller pressing (uniform direction) calendering, bubble removal and compaction, flattening, and laminating and arranging scales according to the specified direction. (The construction is completed in two times, and a small amount of rolling liquid is applied to the wool drum for rolling)

According to the on-site ambient temperature, add curing agent and accelerator to the flake cement according to the corresponding proportion and stir evenly before use (note: it is strictly forbidden to add accelerator and curing agent at the same time, and the accelerator should be added and stirred evenly before the curing agent is added and stirred evenly).

The structural stress is concentrated at the yin and yang corners, manholes, supports and nozzles of the equipment. Since the scale lining material is heat-cured, large thermal stress concentration will be formed at these parts during the material curing process. In order to ensure the quality of the anti-corrosion coating of these parts, a FRP reinforcing layer needs to be added to this part to ensure the quality of the anti-corrosion coating of these parts.

FRP lining is generally pasted by hand. The lining sequence should be first elevation and then plane, first up and then down, first inside and then outside, first wall and then bottom. Generally, the intermittent method is used for construction. First, glue is applied, then cloth or felt is lined to drive away bubbles and stick tightly, and then glue is applied until the cloth or felt is completely soaked. After construction, the quality of FRP lining should be checked. If there are defects such as burrs, flowing, bubbles, etc., they should be removed and repaired, and the construction can be continued only after they are qualified.

After curing, a comprehensive quality inspection shall be carried out and defects shall be repaired. The construction environment requirements for FRP reinforced layer are the same as those for primer painting. According to the on-site ambient temperature, add curing agent and accelerator to FRP glue solution according to the corresponding proportion and stir them evenly before use (note: it is strictly forbidden to add accelerator and curing agent at the same time, and the accelerator should be added and stirred evenly before the curing agent is added and stirred evenly).

If there is a large wear condition in the anti-corrosion part, it is necessary to apply a wear-resistant layer with a thickness of not less than 1.5mm on the scale cement coating to ensure the quality of the anti-corrosion layer. That is, the wear-resistant layer is applied after the mastic application is completed and cured.

The construction process of the wear-resistant layer is the same as that of the scale cement, that is, the construction of the roller pressure method is adopted.

Amount of wear-resistant glue liquid: wear-resistant particles (70~140 mesh refined wear-resistant powder): curing agent: accelerator = 100:240:2:0.2 wear-resistant layer preparation process is as follows:

Weigh a certain amount of wear-resistant glue solution, add refined wear-resistant powder according to the proportion, stir evenly, then add accelerator, stir evenly, then add curing agent, stir for 2-3 minutes, and apply the curing agent after stirring evenly.

　　One. Quality Policy

Implement the company's "standardize enterprise management, meet customer requirements, continuous improvement of quality, scientific and technological progress and development." The quality policy.

　　II. Quality objectives:

Ensure that the qualified standard required by the Owner is met, and strive for excellent works.

　　Three. Quality assurance technical measures;

1. Adhere to the whole process control with the quality of the engineering entity as the core, establish and improve the quality assurance system of the project and the process quality control on site, and enhance its operation effect.

2. The project management department shall be fully responsible for the quality, set up a quality leading group headed by the project manager, organize quality inspection personnel from relevant parties to carry out self-inspection on all concealed works in the construction, and notify the supervision engineer in writing after passing the self-inspection. The notice shall indicate the acceptance content, acceptance time and location. The next process can only be started after the supervision engineer has passed the acceptance and signed the acceptance record.

3 Strengthen the control and management of the whole process of project quality formation, strictly control the construction preparation, material procurement, test and inspection and construction process control, and at the same time do a good job of handover acceptance and return visit and warranty to ensure that the owner provides satisfactory services.

4. Hold regular quality meetings to improve the "quality awareness" of all construction personnel"

5. The full-time quality inspector is responsible for the overall monitoring of the quality of the construction process, and a special person is assigned to be responsible for the quality of each process. The "three inspections" system is strictly implemented during the construction to ensure that the project meets the design requirements.