Temperatures can be unbearably hot and humid in the summer as well as frigid cold in winter within a steel building. Why? Well, the metal skin itself magnifies the outside heat and cold because it is the perfect conductor of it. Again, when there are temperature fluctuations from outside to inside, a steel building will sweat (condensation). So, keep your metal building perfectly cool and dry in the summer as well as warm in the winter. Best of all, do it with price savings!
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The primary purpose of insulation is to keep the building cool or warm when needed. Condensation eventually will dampen fiberglass insulation and directly compromise its integrity by lessening its R-vale. Therefore, in most cases, we would recommend Reflective insulation over fiberglass when an R-value of 22 or less is sufficient or the location has a humid climate.
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Polyethylene foam is well-known for its closed and uniform cellular structure and unique properties. Let’s find out more about this material!
Polyethylene foam is an essential type of closed-cell thermoplastic foam that is based on polyethylene (PE), the most common polymer. Compared to bulky PE materials, the foam type has several benefits, including low density, corrosion resistance, high specific strength, and efficient heat and sound insulation.
This article will explain all the details about PE foam and how filler masterbatch plays a role in improving this material.
Follow along!
Polyethylene foam is a versatile plastic material with unique properties due to its closed, uniform cellular structure. This thermoplastic polymer is extensively utilized in many different applications because it expands when heated and compressed, offering great resilience and lightweight.
The chemical structure of PE foam is (C2H4)n, meaning this polymer is formed by a long chain of carbon atoms with hydrogen atoms attached. A closed-cell structure of polyethylene foam is produced when the gas bubbles are encased in the polymer matrix.
This closed-cell polyethylene foam is created by an extrusion technique in which a gas—usually carbon dioxide or nitrogen—is added after the polyethylene has melted. The injected gas expands and forms a foam structure as the melt exits the machine.
The manufacturing process can include additives added to its formula to change its properties, creating solid foam sheets. Because of the additives, these sheets are in anti-static variations and are uniform across the material.
Their diverse densities allow them to be used in different applications. The higher density of polyethylene results in cell walls that are either thicker or smaller, making the material stronger.
PE foam obtains the following properties:
There are 3 types of PE foam:
Cross Linked Polyethylene foam, also known as XPE or XLPE foam, is perfect for gasketing applications because they are rigid, resilient, and resistant to moisture and gas penetration. The PE foam insulation and resilience to shock and vibration are also strong. It is also possible to make XLPE static-dissipative and fire retardant.
This type of PE foam is created through heat and pressure. It has a high strength-to-weight ratio and superior thermal resistance. The material is perfect for a variety of applications since they are lightweight, non-abrasive, and recyclable.
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In order to generate extruded polyethylene foams, the polyethylene resin is melted and then fed through a mold after specific additives have been mixed with the foam. It is exceptional in light weight, durability, and great insulating qualities.
Filler masterbatch is a mixture of CaCO3 powder and virgin resin, used in the production of plastics. It can modify the characteristics of materials to improve their qualities.
Using filler masterbatch in PE foam offers various benefits:
This closed-cell polyethylene foam is useful in many applications, including:
Insulation made of polyethylene foam is strong and adaptable and can be used for many applications, including refrigerators, pipelines, walls, floors, and roofs. In addition to being resistant to weathering, corrosion, dampness, and damage, it is sometimes laminated with aluminum foil to improve heat reflectivity. Besides, it helps insulate against sound and vibration.
Furthermore, you can easily find fire-retardant polyethylene foam insulation on the market. All types of this foam are usually adhesive-backed for easier installation.
Polyethylene foams with anti-static properties are protective materials used in semiconductor and electronic device packaging. They reduce shock and vibration during handling and transit, guard against electrostatic discharge, and stop the accumulation of static electricity. This material usually comes in pink color.
Polyethylene foam sheets are used as single-sided and double-sided backings for adhesive films in a variety of tapes. Double-sided tapes are perfect for mounting and bonding jobs, while single-sided tapes are utilized for gaskets, cushioning, packing, and insulation.
Polyethylene foam tapes, which come in a variety of thicknesses and degrees of softness, are frequently used in HVAC systems, homes, and businesses because they are more durable than paper or plastic film backings.
Combining polyethylene foam sheets with other materials can create thicker layers. The material’s overall durability, mechanical strength, cushioning effect, and insulating qualities are all improved by this lamination procedure.
The foam is ideal for packaging due to its rigidity and durability.
The exceptional buoyancy and low water absorption of polyethylene foams are their defining characteristics. These characteristics make them ideal for flotation devices, such as buoyancy aids, swim noodles, and life jackets. They are also frequently used as cushioning beneath the straps of backpacks.
PE foam can improve ergonomics and offer comfort. Chairs, couches, beds, vehicle seats, arm and headrests, and other furniture can all benefit from their use as padding and cushions.
We can find polyethylene foam helpful in many applications across industries. Their durability, high buoyancy, and resistance to weathering and chemicals are highly valued.
It’s possible to modify PE foam by using filler masterbatch to meet the requirements of the finished products. All you need to do is find a professional filler masterbatch supplier, such as EuP Egypt, to help you choose the best option.
EuP Egypt is a member of EuP Group and has 15 years of experience in masterbatch. Our factory is equipped with modern machines and German technology, guaranteeing the best quality. Our filler capacity is 180.000 tons per year. With competitive prices, our products have reached 95 countries.
EuP Egypt offers a wide range of filler masterbatch whose main raw material, CaCO3, is exploited from Egypt’s limestone and is of the best quality. It helps improve end-product properties, such as stiffness, bend strength, impact resistance, etc. Furthermore, our products can increase the stability of the manufacturing process and help manufacturers save production costs.
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