What is FRP waterproofing and how to do FRP waterproof?

FRP products refer to the finished products processed from resin and glass fiber as raw materials, FRP products mainly include FRP storage tanks, FRP mixing tanks, FRP cooling towers, FRP water tanks, FRP tables and chairs, FRP pipes, FRP trash cans. The scientific name of FRP is glass fiber reinforced plastic, commonly known as FRP. It is a new type of composite material developed in the early 20th century, which has many advantages such as light weight, high strength, anti-corrosion, heat preservation, insulation, sound insulation and so on.

Because its strength is equivalent to steel, and it contains glass components, it also has the color, shape, corrosion resistance, electrical insulation, heat insulation and other properties of glass.

The origin of FRP.

The traditional glass texture is hard and easy to break, with good transparency and anti-corrosion effect; The steel material is hard enough not to be chipped, and it is also very resistant to high temperatures, but it does not have good permeability. After countless repeated experiments and researches, smart people finally made FRP with high temperature resistance, corrosion resistance, and unbreakable characteristics that are not weaker than steel materials.

Features of FRP.

FRP combines the advantages of traditional glass and steel, its weight is very light, the relative density is between, only 1 4-1 5 of carbon steel, but its tensile strength is close to carbon steel, or even more than carbon steel. It also has very light corrosion resistance, and has good resistance to the atmosphere, water and general concentrations of acids, alkalis, salts, as well as a variety of oils and solvents. In addition, FRP also has excellent characteristics such as good insulation and designability.

The role of FRP.

FRP has the characteristics of bizarre shape, customizable, and random color allocation, which are favored by various merchants and sellers. Railway industry, shipbuilding industry, electrical industry and communication engineering and other industries. The main FRP products used in these industries are cooling towers, corrosion-resistant pipes, materials and components for automobile manufacturing, train windows, supporting parts for large steel boats, cable protection pipes, etc.

What is FRP? I believe that after reading the article, I have a certain understanding of FRP. FRP is not only light and strong, but also corrosion-resistant, whether it is moisture, or acid and alkali, it is difficult to erode it.

In terms of technology, the use of FRP is also very extensive, and its designability is also very outstanding. FRP products have gradually become familiar in our lives, and it replaces the use of some metal and plastic materials in our lives. The introduction is over, I hope it can help everyone.

FRP waterproof is to achieve waterproofing through FRP waterproof board, which is more common in industrial production, no rust, corrosion resistance, good water resistance, and is the preferred waterproof board for industrial production. There are two common types of FRP waterproof panels: insulating FRP grille panels and FRP cover plates (closed).

It is divided into glass fiber according to the different fibers used.

Reinforced composite plastic (GFRP), carbon fiber.

Reinforced composite plastics (CFRP), boron fiber reinforced composite plastics, etc. It is made of glass fiber and its products (glass cloth, tape, felt, yarn, etc.) as the reinforcing material.

FRP layup to more than three millimeters can generally be waterproof.

The scientific name of FRP is glass fiber reinforced plastic. It is a composite material that uses glass fiber and its products (glass cloth, tape, felt, yarn, etc.) as the reinforcing material and synthetic resin as the matrix material. The concept of composite materials refers to the fact that one material cannot meet the requirements of use, and needs to be compounded by two or more materials to form another material that can meet people's requirements, that is, composite materials.

The latest waterproof material is made of cement fiberglass cloth and waterproof glue.

FRP (fiber reinforced plastics) is fiber reinforced plastics, which generally refer to glass fiber reinforced unsaturated polyester, epoxy resin and phenolic resin matrix.

Reinforced plastics with glass fiber or its products as reinforcing materials are called glass fiber reinforced plastics, or glass fiber reinforced plastics. Due to the different types of resins used, it is known as polyester FRP, epoxy FRP and phenolic FRP.

Physical and chemical properties. Glass is hard and fragile, with good transparency, high temperature resistance, corrosion resistance and other properties; At the same time, steel is hard and unbrittle, and it is also resistant to high temperatures. So people began to think that if they could make a material that had the hardness, high temperature resistance, and corrosion resistance of glass, and the characteristics of being as hard and unbreakable as steel, then this material would be very useful.

After research and experiments, people finally made such a composite material. It is FRP that can stand side by side with steel.

Let's start with a test to see if it's performing well or not.

In a shady valley surrounded by mountains, a trial is underway. The people behind the bunker two hundred meters away had their eyes fixed on an oxygen tank placed in the valley. The air compressor rotated rhythmically, continuously inflating the oxygen cylinder through the alloy steel pipes.

The pointer on the pressure gauge tugs at everyone's heart. The reading gradually rose from 100-200-400-500 until 700 kg 1 square centimeter, only an earth-shattering loud noise was heard, and the oxygen cylinder was **! The people around cheered and jumped up:

It worked! "An oxygen cylinder is a high-pressure resistant vessel. The working pressure it is subjected to is 150 kg square centimeter. In order to be safe to use, it is required to be able to withstand three times the working pressure, i.e. 450 kg square centimeter.

If it doesn't burst, it's qualified. The oxygen cylinders tested above far exceeded the design requirements. What kind of steel is it made of?

It is made of fiberglass, more precisely, by combining glass and plastic.

Glass is a hard and brittle material, which will shatter when it falls, can this FRP with the name of glass withstand a fall? So a new experiment was conducted.

Inflate another fiberglass oxygen cylinder to 150 kg square centimeters and roll down the valley from the top of the mountain. It collided with the craggy rocks and rolled to the bottom of the valley without bursting. The FRP oxygen cylinder has passed the quality appraisal examination.

The tensile strength of ordinary glass is only one-eighth of that of ordinary steel. When the glass is melted and drawn into a glass fiber that is only a tenth of the diameter of a hair, the original hard and fragile glass becomes a soft and tensile fiber, and its tensile strength can be increased by more than ten times.

As we all know, cement blocks are pressure-resistant and steel is tensile resistant. Using steel as the muscles and cement and sand as the muscles, so that they can be cohesive, learn from each other's strengths and weaknesses, and become extremely strong - this is reinforced concrete.

Similarly, if we use fiberglass as the muscles and synthetic resins (phenolic, epoxy and polyester resins) as muscles, and let them coagulate, the tensile strength of the material is comparable to that of steel – hence the name FRP.

FRP waterproof practice:

1. The surface of the metal base layer should be lined with epoxy resin, and the metal surface should be derusted and cleaned for anti-corrosion;

2. Use angle grinder to polish the metal surface to clean up the rust, oil and attachments on the metal surface, so as to achieve a smooth, dry and clean metal surface;

3. The base material is generally painted with epoxy resin, and it is constructed after it is completely cured;

4. Finally, according to the different requirements of customers, paste one layer, double layer, or multi-layer cloth with different paste materials.

FRP waterproofing practice: 1. Make epoxy resin lining on the surface of the metal base layer, and derust and clean the metal surface for anti-corrosion; 2. Use angle grinder to polish the metal surface to clean up the rust, oil and attachments on the metal surface, so as to achieve a smooth, dry and clean metal surface; 3. The base material is generally painted with epoxy resin, and it is constructed after it is completely cured; 4. Finally, according to the different requirements of customers, paste one layer, double layer, or multi-layer cloth with different paste materials.

Questions. What material is the ratio of epoxy resin with?

Epoxy resin mortar ratio, epoxy resin: cement: fine sand:

Ethylenediamine:Dibutyl ester = where ethylenediamine is the curing agent and dibutyl ester is the diluent. After the epoxy resin mortar has a certain strength, the cement-water glass slurry or epoxy resin slurry is pressed under pressure.

Glass fiber reinforced plastic (FRP), also known as GFRP, that is, fiber reinforced plastic, generally refers to the use of glass fiber reinforced unsaturated polyester, epoxy resin and phenolic resin matrix, glass fiber or its products as the reinforcing material of the reinforced plastic, called glass fiber reinforced plastic, or known as glass fiber reinforced plastic, different from tempered glass.

Due to the different types of resins used, there are polyester FRP, epoxy FRP, phenolic FRP. Light and hard, non-conductive, stable performance, high mechanical strength, less utilization, corrosion resistance. It can be used instead of steel to make machine parts and shells of automobiles and ships.

I don't know what you mean, FRP is impossible to leak, there is no need to do waterproof, it should be directly usable.

Explosion-proof glass will be better, but ** will generally be more expensive than tempered glass.

Disadvantages of tempered glass:

The automatic explosion of tempered glass in the absence of direct mechanical export force is called the self-explosion of tempered glass, according to industry experience, the self-explosion rate of ordinary tempered glass is about 1 3. Self-explosion is one of the inherent properties of tempered glass.

Explosion-proof glass: explosion-proof glass, is the glass that can prevent violent impact, it is a special glass made by machine processing by using special additives and interlayers between the middle and the number, even if the glass is broken, it will not fall easily, because the middle material (PVB film) or the other side of the explosion-proof glass has been fully bonded. As a result, explosion-proof glass can greatly reduce the damage to people and valuables in the event of a violent impact.

Compared with tempered glass, explosion-proof glass has the properties of earthquake resistance, anti-theft, bulletproof, explosion-proof, and ultraviolet-proof.

Explosion-proof glass is relatively strong and durable, and if the tempered glass vibrates violently, the whole piece will be just vibrated and cannot be used.

Which is better, vandal-proof glass or tempered glass? Riot-proof glass is good.

The uses of each are different and cannot be compared.

FRP waterproofing and membrane waterproofing are common waterproof materials of nuclear Zen, each has its own advantages and disadvantages, which material to choose also needs to pay attention to the actual use of the environment and needs.

The advantages of FRP waterproofing include: changing the dust.

1.Good weather resistance: The surface of FRP waterproof is smooth and hard, and it will not be corroded and damaged by natural environments such as sunlight and rain, and has good weather resistance.

2.Acid and alkali corrosion resistance: FRP waterproof has high acid and alkali corrosion performance, and has a good waterproof effect in chemical plants, sewage treatment plants and other environments.

3.Simple construction: The installation method of FRP waterproof is similar to that of traditional waterproof materials, the construction is simple, does not require high technical requirements, the chemical reaction speed is fast, and the gap sealing is good.

And the advantages of membrane waterproofing include:

1.Strong compressive resistance: The membrane waterproof material has a large thickness and good compressive performance, which is suitable for large-scale waterproof applications such as high-rise buildings, bridges, tunnels, etc.

2.Strong fatigue resistance: The surface of the membrane waterproof material is coated with anti-ultraviolet resin, which has high fatigue resistance.

3.Strong abrasiveness with cement: the membrane waterproof material has a good bonding effect with cement and strong corrosion resistance.

From the different places of use, it can be seen that FRP waterproofing is suitable for chemical plants, sewage treatment, acid and alkali chemical and other industrial fields, while membrane waterproofing is suitable for construction projects and municipal engineering and other places, such as roofs, basements, reservoirs, channels, etc.

To sum up, the choice of FRP waterproofing or membrane waterproofing should be decided according to the actual use environment and needs, and a reasonable choice can be made according to the specific site conditions.

Summary. First, the characteristics are different 1, sunscreen glass: high safety:

Because the PVB in the middle layer is tough and has strong adhesion, it is not easy to be penetrated after being damaged by impact, and the fragments will not fall off, and it is tightly bonded with the PVB film; Compared with other glasses, it has the properties of earthquake resistance, anti-theft, bulletproof, and anti-ultraviolet; 2. Toughened glass: safety, when the glass is damaged by external force, the fragments will be broken into small particles similar to honeycomb-like obtuse angles, which are not easy to cause serious harm to the human body; High strength, the impact strength of tempered glass of the same thickness is 3 5 times that of ordinary glass, and the flexural strength is 3 5 times that of ordinary glass; Thermal stability, tempered glass has good thermal stability, can withstand 3 times the temperature difference of ordinary glass, can withstand 300 temperature difference changes.

1. Characteristics are not slag imitation 1, sunscreen glass: high safety: due to the tough and strong adhesion of the PVB in the middle layer, it is not easy to be penetrated after being damaged by impact, and the fragments will not fall off, and the PVB film is tightly bonded together; Compared with other glasses, it has the properties of earthquake resistance, anti-theft, bulletproof, and anti-ultraviolet; Stronger energy saving 2, tempered glass:

Safety, when the glass is damaged by external force, the fragments will be broken into small particles at obtuse angles similar to the nest of bees, which is not easy to cause serious damage to the human body; High strength, the impact strength of tempered glass of the same thickness is 3 5 times that of ordinary glass, and the flexural strength is 3 5 times that of ordinary glass; Thermal stability, tempered glass has good thermal stability, can withstand 3 times the temperature difference of ordinary glass, can withstand 300 temperature difference changes.

2. Different principles of production 1. Sunscreen glass: The special glass made by using special additives and the middle layer is processed by the skin leakage, even if the glass is broken, it will not fall easily, because the intermediate material (PVB film) or the explosion-proof glass on the other side has been fully bonded. As a result, sunscreen glass can greatly reduce the damage to people and valuables in the event of a violent impact.

2. Tempered glass: tempered glass burning glass is actually a kind of prestressed glass, in order to improve the strength of glass, chemical or physical methods are usually used to form compressive stress on the surface of the glass, and the glass first counteracts the surface stress when it bears the external force, so as to improve the bearing capacity and enhance the wind pressure resistance, cold and heat resistance, impact and so on.

3. Different uses 1. Sunscreen glass: Because glass has high impact strength, it is suitable for the ceiling of buildings, shower rooms, floors, partition walls, skylights of industrial plants, cupboards and bridge windows of shops, kindergartens, schools, gymnasiums, private residences, villas, madhouses, banks and other places. 2. Tempered glass:

It is widely used in high-rise building doors and windows, glass curtain walls, indoor partition glass, lighting ceilings, sightseeing elevator passages, furniture, glass guardrails, etc.