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Railway and highway sound barrier speakers ,sound screen,Noise barrier,Acoustic barrier for highway
Railway and highway sound barrier speakers ,sound screen,Noise barrier,Acoustic barrier for highway
FOB Price:
US $75.000 / Square Meter
Min.Order:
1 Square Meter/Square Meters
Supply Ability:
1000 Square Meter/Square Meters per 0
Port:
Shanghai
Your Email:
Quantity:
Square Meter
  • Product Detils
  • Company Profile
Quick Details
Place of Origin:
China (Mainland)
Brand Name:
Zisen
Model Number:
Sound Barrier for High-speed Railway Subgrade
Product Description

Product Description

particles noise reduction material first select specific mesh inorganic particles, such as natural sand, slag particles and etc. And covering them with well-proportioned and ultrathin gel solvent on all the particle surface, thus they will form a certain angle coefficient coated particles. The particles under the action of external force which makes the surface of curing effect. The tiny particles will like be welded together. Between the particles, it will naturally form large, irregular, interconnected tiny pore.

In the polymerization process, the ratio of particle size and polymerization method can be accurately controlled, which determines the size of the inner pore and their arrangement.  Thus according to the actual demand, it can custom design and produce noise reduction product of different acoustic characteristics. This product will have many advantages of high strength, fire prevention, moisture proof, frost resistance and ageing resistance. Also by using green cementing material,   particles products without any harmful volatile matter which is environment friendly acoustic material.

HTB1eknxNFXXXXb2XFXXq6xXFXXXo.jpgSound barrier is divided into BG and BZ types by compound form. BM type sound absorption material is   particulate material, and the skeleton is metal, and sound insulation layer is made from metal material. BZ type sound absorption material is   particulate material, and the shape is folded plate shape, and there are cavities in it, and sound insulation layer is made from metal material.

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Product Details

Specifications

Acoustic feature

Application

Length:2000-3000mm

Noise reduction coefficient NRC:0.7~0.75

Weighted sound isolation amount is about Rw:31~36

Road/rail/factory boundary sound barrier/integral wall

Width:300-600mm

Thickness:80-120mm

Weight:30kg/m2-40kg/m2


Basic performance

Fire prevention

combustion performance as the a-class non-combustible, can be widely used in various places

Sound absorption

adjustable sound absorption in high, middle and low frequency, can meet all kinds of sound absorption requirements

Environment friendly

the total volatile matter (TVOC) is far lower than the national standard of 0.5

Moisture proof

bulking factor is only 0.18%, with excellent moisture proof performance

Frost resistance

after the freeze-thaw cycle test, no exfoliating and cracking phenomenon

Impact resistance

impact strength is better than that of cement fiberboard with same thickness

Ageing resistance

uv resistance test results show that the performance remains the same

Adornment

can use natural colored sand which make a simple rustic style

Typical Technical Features

1. High, medium and low frequency sound absorption features of  particulate sound absorption materials are closely related to the size and quantity of tiny pores between particles, structure form, thickness of plate, size of cavity behind plate, etc. Sound absorption frequency features can be adjusted by regulating the particle size, plate thickness and cavity size to meet the high, medium and low frequency sound absorption requirements. In the practical engineering, the targeted design and selection of  particulate materials (structure) in accordance with acoustic design requirements will get twice the result with half the effort;

2. Sound absorption features of particulate sound absorption materials have nothing to do with the category of particles, and when other conditions are unchanged, sound absorption structure property is changes slightly even if the material of particulate is changed.

3. Acoustic Property of sound absorption structure of particulate plate with the thickness of not more than 10mm can be forecasted based on the sound absorption theory of microperforated panel;

4. Sound absorption property of particulate sound absorption materials is related to the appearance of particles, and the coefficient of angularity will affect the flow resistance of materials and then affect sound absorption property. 

Color of natural ore grain surface

Product color is divided into artificial spraying and existed natural color. There are 27 kinds of natural color sand available. Raw materials are made of selected marble or granite and etc that have been crushing, grinding then born with natural-like color. According to customer requirements, it will be sprayed with related paints.

 

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Product Advantages 

 

Stable Acoustic Property

1. It belongs to  fiberless sound absorption material, and is used for outdoor places that are soaked by rainwater or subject to vibration to prevent settling.

2. The dust on the surface can be washed away by rain, and sound absorption property won’t be affected.

3. It has the sound absorption mechanism of porous material and microperforated panel, and relies less on installation conditions.

 

Excellent environmental protection property

1. It can directly contact with the human skin, and won’t result in skin itching and other discomforts.

2. It is characterized by excellent weather resistance, acid and alkali resistance, and won’t be pulverized for long-term use.

3. It meets green and environmental protection material standard, and is free of formaldehyde and other harmful ingredients, and TVOC content is 0.096.

Low maintenance cost

1. It is resistant to acid and alkali and salt spray corrosion, and antiseptic treatment is not required.

2. Natural colored sand can be selected for its strong weather resistance and non-fading property for long-term outdoor use.

3. No ground wire is required as it is insulated.

Low disposal cost

The scrapping of glass wool and other fiber materials after use will result in secondary environment pollution, and need high disposal expenses, but   particulate materials can be directly landfilled, and won’t cause pollution, or can be recycled and reused.

 

 

Packaging & Shipping


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Company Information

Sichuan ZISEn Acoustic Technology Co., Ltd. sets up production base and R&D testing center at No.57, West Section of Haike Road, Cross-Strait Science & Technology Industry Development Park, Wenjiang, Chengdu, and production plant area houses office building, research institution, sound elimination equipment test center (professional acoustical laboratorycovers 650 square meters), modern production workshop and staff dormitory. Production workshop in Wenjiang, 

Chengdu covers 8800 square meters, and has 4 professional production lines, respectively production lines of

sound absorption module, compressor silencer, sound reduction hood and air duct silencer, in which the 

annual production of production line of sound absorption module is 100,000 square meters, compressor silenceis100 sets, sound reduction hood is 120 sets, and air duct silencer is 20,000 linear meters. It also has 

several production bases in other provinces to meet the production needs for continuous expansion. The companyhas complete production and detection equipment to ensure the normal and efficient production. Up to 2015,the company has provided over 800 noise control engineering consultations and designs, 500 noise control 

engineering constructions and 2000 sets of noise reduction equipment for customers in such fields as industry, transportation and building.


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FAQ

Payment :
30% prepayment plus 70% within 5 days of copy of BL, or at sight letter of credit. Other payment methods are available but under special consideration basis.
Production and shipping lead times:
Usually production will start within 15days of receiving prepayments or notification of LC. Client will be notified ahead of order if lead times are longer than usual.
Delivery terms:
FOB and CIF are the most popular forms.
How is the price?
Prices vary based on acoustic standard, spec, what project, volume, delivery terms, etc. We aim to provide a complete sourcing service from manufacturing to logistics to consulting, so please establish direct contact with us to find the best pricing options for your company. 


Please use the factory-direct-buy message to contact us. We will reply in 24 hours.
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