Advantage and Disadvantage of Fiberglass Products

13 May.,2024

 

Advantage and Disadvantage of Fiberglass Products

Advantage and Disadvantage of Fiberglass Products

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FRP is also known as GFRP, namely fiber reinforced plastics, generally used to enhance unsaturated polyester, epoxy resin and phenolic resin matrix with glass fiber.

These made with Reinforced plastic or its products is called fiberglass reinforced plastic, or called fiberglass, please note to distinguish it from tempered glass. Because of the different resin varieties used, it is known as polyester FRP, epoxy FRP and phenolic FRP. It is Light,hard and non – conducting, at the mean time with stable performance, high mechanical strength, less recycling and corrosion resistance, which can replace steel machine parts, cars, ship shells, etc.

 

Glass Profile

Carbon Profile

Steel

Aluminium

PVC

Wood

Density(kg/m3)

2100

1650

7900

2700

1380

520

Flexural strength (MPa)

1000-1400

1400-2500

400-1200

180

44

150

Flexural modulus (GPa)

45-56

120-300

196

70

2,4

10

Tensile strength(MPa)

1000-1400

1400

400-1200

180

70

100

Tensile modulus (GPa)

45

140

196

70

2,4

9

Thermal conductivity (W/m.K)

0,5

1,4

47

209

0,24

0,47

Coefficient of linear thermal expansion (1/K)

10-5

-0,2.10-6

10-5

2,3.10-5

3,7.10-5

0,2.10-5

Specific heat capacity (J/kg.K)

1880

950

461

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921

1100

1700

Fiberglass Products Advantage characteristics

1. Good corrosion resistance

FRP is a kind of composite material, which is good corrosion resistance, oxidation of the atmosphere and water and general concentration of acid and alkali salt and so on the many kinds of solvent has strong resistance ability, all aspects have been applied to environmental protection, chemical corrosion, it will replace carbon steel, stainless steel, wood, non-ferrous metal and so on gradually.

2. Light weight, high strength

The relative density is between 1.5~ 2.0, only 1/4-1/5 of carbon steel, but the tensile strength is close to or even more than carbon steel, compared with the strength of the high alloy steel.
Therefore, in aviation, rockets, space vehicles, high pressure vessels and in other products that need to reduce weight, they have excellent results. The tensile, bending and compression strength of certain epoxy FRP can reach over 400Mpa.

3. Good insulation performance

It is a fine insulating material which used to make an insulator. High frequency can still protect good dielectric. Microwave transmission is good and has been widely used in radar radome.

4. Good thermal conductivity

The FRP thermal conductivity is low to be 1.25~1.67 kJ/(m •h• K) at room temperature, which is only 1/100~1/1000 of the metal, it is an excellent insulator. Under the condition of the instantaneous ultra high temperature, it is the ideal thermal protection and ablation resistant material, can protect the spacecraft at above 2000 ℃ under high-speed air flow.

5. Strong design

a. It can be flexible to design various structural fiberglass products to meet the requirements of application and it has good integrity.
b. The materials can be fully selected to meet the performance of the products, such as: it can be designed for corrosion resistance, instantaneous high temperature, special high strength in the direction of products, good dielectric, etc.

6. Good technology

a. Unicomposite can choose the forming process flexibly according to the shape, technical requirements, use and quantity of the products.
b. The process is simple and can be formed at a time. The economic results are outstanding, especially for the products with a small number of complex shapes and not easy to form, and the advantages of the technology are highlighted.

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Learn The Pros And Cons Of Fiberglass Insulation

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Investing in energy efficiency is something worth considering. With winter right around the corner, the thought of insulation is ringing in most homeowners’ heads. Out of the many insulation solutions, fiberglass insulation is often a popular, eco-friendly solution that works to insulate walls, attics, roofs, ceilings, and basements and your entire home, really. But, with new insulation technologies, is fiberglass still worth it?

Read on to learn more about fiberglass insulation to determine if it’s worth it for your home or not.

What Is Fiberglass Insulation?

Fiberglass is an insulation material composed mainly of glass. However, fiberglass can also be used in the manufacturing of different products, including automobiles. As an insulator, fiberglass works to trap air and slow the transfer of heat.

In most cases, fiberglass comes in a blanket form (called batts), but it’s also available as loose-fill. These fiberglass batts are available in different thicknesses that determine the resistance to heat flow. This heat resistance is measured by the R-value, which ranges from R11 to R19 for walls and can go as high as R30 for ceilings and attics.

Cost to Install Fiberglass Insulation

The cost for installation will vary according to the house’s location, the amount of labor necessary and various other factors. However, the average cost to install fiberglass insulation starts at $0.88 to $1.64 per square foot. You can expect to pay between $300 and $600 for a 500 square foot section of your home, including the cost of labor.

Unlike other home improvement projects, installing fiberglass insulation is not extremely difficult. Many homeowners will take on the project themselves. However, keep in mind that poor installation is one of the most common downsides of insulation. Regardless, you can expect to pay anywhere between $25 and $50 per hour of labor.

Pros of Fiberglass Insulation

Fiberglass insulation is relatively quick and easy to install, mainly if you’re working with professionals. It’s also one of the most affordable ways of insulating a home, which is why it’s such a popular option. Here are some of the advantages of insulating your home with fiberglass:

Flexibility: Fiberglass is available in pre-cut panels, rolls and loose-fill, making it incredibly flexible for installation. It can be placed between rafters, joists, blocks, studs, and any surface that needs insulation. Its flexibility makes fiberglass a very affordable option, particularly compared to similar insulation materials like spray foam.

Energy Efficient: On average, fiberglass insulation can help reduce heating and cooling bills by 40% to 50%. In addition to energy savings, fiberglass insulation can also help with noise reduction. Although fiberglass has a satisfactory R-value if it’s not professionally installed, it can lose thermal protection over time.

Fire Retardant: Made from recycled glass and sand, fiberglass is a natural fire retardant that poses little to no fire hazard. There’s also fiberglass material that’s treated with a fire retardant to improve the level of safety.

Noise Cancelling: Fiberglass has natural sound-dampening properties that can significantly reduce noise coming into the house. Also known as acoustic insulation, fiberglass is used in walls, ceilings and even ducts to help reduce sound transfer.

Eco-Friendly: Made from recycled materials, fiberglass is an environmentally-friendly insulation alternative. Out of the most inexpensive insulation materials, fiberglass is one of the most eco-friendly, made of almost 30% recycled materials.

Cons of Fiberglass Insulation

Despite its many advantages, homeowners considering fiberglass insulation need to pay close attention to its downsides. One of the most significant issues with fiberglass doesn’t have to do with the product itself but with the installation. While it’s an easy-to-install material, poor installation can lead to various problems down the line. Here are some other disadvantages of fiberglass insulation:

  • Coverage: Since most fiberglass panels come pre-cut, it’s common to struggle with difficulties while installing them. Odd-shapes, crannies and other anomalies can present a challenge to standard-size fiberglass batts.
  • Air Exchange: Compared to other insulation materials, fiberglass is less dense and effective against air leaks. If you choose fiberglass installation, you need to factor in additional work to create an airtight seal. To prevent air exchange, other forms of insulation, such as sprayed foam, can be more efficient.
  • Moisture: In regions with high levels of humidity, fiberglass isn’t as efficient at repelling moisture. Roof leaks and moisture in attics and basements can contaminate fiberglass insulation and lead to mold and mildew problems down the line. Much like with the airtight seal, an additional step is required to add a vapor barrier that keeps moisture away from the insulation material.
  • Mold: Because fiberglass can hold moisture, it easily creates a thriving environment for mold spores to settle. When mold occurs, the insulation needs to be replaced immediately to prevent further damage to the house’s structure and walls.

Is It Worth It?

All in all, fiberglass batt is still one of the most popular forms of insulation, followed by fiberglass blown and spray foam. Fiberglass is an easy-to-install insulation option for do-it-yourselfers and professional installers alike. It also happens to be one of the least expensive insulation options compared to cellulose or spray foam.

Of course, there are more innovative and practical options for fiberglass. For example, mineral wool insulation has a higher R-value per inch than fiberglass. It’s also made of recycled materials, but it’s installation and material cost is also higher.

Choosing The Right Insulation Material For Your Home

When it comes to choosing the proper type of insulation for your home, there are various factors to take into consideration, including:

  • R-Value: The ability of the material to resist heat flow. This is the insulation’s thermal resistance. The higher the R-Value, the more insulation it will provide. For attics, you want to stay between R30 and R50; for walls R13 to R21; most floors only need R13 to R30 and crawl spaces need R13 to R30.
  • Thermal properties: The ability of the insulation material to provide thermal resistance for comfort and energy savings efficiency.
  • Sound-Control: If the insulating material has sound absorption characteristics that can help reduce noise transmission.

Bottom line, discussing your insulation needs with a professional contractor would give you the best idea of which insulation material works best for your home.

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