What materials are included in the EAS antenna?

Acrylic material EAS security gate
What are the characteristics of acrylic?

1. It has crystal-like transparency, the light transmittance is above 92%, the light is soft, and the vision is clear. Acrylic colored with dyes has a good color development effect.

2. Acrylic sheet has excellent weather resistance, high surface hardness and surface gloss, and good high temperature performance.

3. Acrylic sheet has good processing performance, which can be processed by thermoforming or mechanical processing.

4. The transparent acrylic sheet has a light transmittance comparable to that of glass, but the density is only half that of glass. In addition, it is not as fragile as glass, and even if it is broken, it will not form sharp fragments like glass.

5. The abrasion resistance of acrylic sheet is close to that of aluminum, it has good stability and is resistant to corrosion by various chemicals.

6. Acrylic sheet has good printability and sprayability, and the use of appropriate printing and spraying processes can give acrylic products an ideal surface decoration effect.

7. Flammability: It is not spontaneously combustible but it is flammable and does not have self-extinguishing property.

Therefore, the EAS security gate composed of acrylic has these characteristics.
Let's look at a few use cases of acrylic security gates.
EAS RF Acrylic security gates

Antennas made of acrylic always give people a high-end atmosphere, and the inside of the antenna can emit bright light,which can embellish the beauty of the shop.

EAS AM Acrylic security gates

The AM antenna is a bit wider than the RF detection range.Putting this beautiful antenna in a fashionable shop is really the icing on the cake!

EAS antenna made of ABS material
What are the characteristics of ABS?

Plastic ABS resin is currently the largest and most widely used polymer. It organically unifies the various properties of PB, PAN, and PS, and combines excellent mechanical properties of toughness, rigidity and rigidity. ABS is a terpolymer of acrylonitrile, butadiene and styrene. A stands for acrylonitrile, B stands for butadiene, and S stands for styrene. After actual use, it was found that: ABS plastic pipes are not resistant to sulfuric acid corrosion, and smashed and cracked when meeting sulfuric acid.

Due to its three compositions, it gives it good performance; Acrylonitrile gives ABS resin chemical stability, oil resistance, certain stiffness and hardness; Butadiene improves its toughness, impact and cold resistance; Styrene gives it good dielectric properties and exhibits good processability.

Most ABS is non-toxic and impervious to water, but slightly permeable to water vapor, and has low water absorption. The water absorption rate of room temperature immersion does not exceed 1% for one year and the physical properties do not change. The surface of ABS resin products can be polished, and highly glossy products can be obtained.

ABS has excellent comprehensive physical and mechanical properties, and excellent low-temperature impact resistance. Dimensional stability. Electrical properties, abrasion resistance, chemical resistance, dyeability, finished product processing and mechanical processing are better. ABS resin is resistant to water, inorganic salts, alkalis and acids. It is insoluble in most alcohols and hydrocarbon solvents, but easily soluble in aldehydes, ketones, esters and some chlorinated hydrocarbons. ABS resin has a low heat distortion temperature and is flammable and has poor weather resistance. The melting temperature is 217~237℃, and the thermal decomposition temperature is above 250℃. Many of the modified ABS materials on the market today are mixed with nozzle materials and recycled materials. As a result, the performance of the customer's molded product is not very stable.

Compared with EAS acrylic security gate, ABS antenna is more stable, not fragile, and cheaper.
EAS AM ABS Material antenna

The AM antenna made of ABS material is suitable for installation in various clothing stores and retail stores.

Aluminum alloy EAS antenna 
Aluminum alloy has low density but relatively high strength, which is close to or exceeds that of high-quality steel. It has good plasticity and can be processed into various profiles. It has excellent electrical conductivity, thermal conductivity and corrosion resistance. It is widely used in industry and its usage is second only to steel. .

According to the processing method, aluminum alloy can be divided into two major categories: deformable aluminum alloy and cast aluminum alloy:

The deformed aluminum alloy can withstand pressure processing. It can be processed into various shapes and specifications of aluminum alloy materials. Mainly used in the manufacture of aviation equipment, doors and windows for construction, etc. Deformable aluminum alloys are further divided into non-heat-treatable reinforced aluminum alloys and heat-treatable reinforced aluminum alloys. The non-heat-treatable strengthened type cannot be improved by heat treatment, but can only be strengthened by cold working deformation. It mainly includes high-purity aluminum, industrial high-purity aluminum, industrial pure aluminum, and rust-proof aluminum. Heat-treatable reinforced aluminum alloys can improve mechanical properties through heat treatment methods such as quenching and aging. It can be divided into duralumin, forged aluminum, super-duralumin, and special aluminum alloys.

Cast aluminum alloys can be divided into aluminum-silicon alloys, aluminum-copper alloys, aluminum-magnesium alloys, aluminum-zinc alloys and aluminum-rare-earth alloys according to their chemical composition. Among them, aluminum-silicon alloys include hypereutectic silicon aluminum alloys, eutectic silicon aluminum alloys, and monolithic alloys. Crystal silicon aluminum alloy, cast aluminum alloy is used in the as-cast state.

Some aluminum alloys can be heat treated to obtain good mechanical properties, physical properties and corrosion resistance.
Due to these characteristics of aluminum alloy, the EAS antenna made of aluminum alloy should be the most robust and durable. However, due to the frequency relationship, aluminum alloy is generally only used in the production of RF antennas, and aluminum alloys are rarely used for AM.
Aluminum alloy EAS RF antenna 

The aluminum alloy EAS antenna looks lighter and more durable, and the weight is small, which can save shipping costs.

In short, various materials have their own advantages and disadvantages. Acrylic is beautiful but the price is high, while the price of ABS and aluminum alloy is low but it doesn't look so beautiful.
If you have any questions about EAS system,please feel free to contact us.
Nanjing Bohang has been working on EAS System since 2001.
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