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Noise Absorber Foams

Noise Absorber Foams

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- Hot roll lamination of skins
- Application of adhesives
Noise
Noise can be explained as any unwanted or unpleasant sound regardless of its intensity or duration. Noise originates from a sound source and is transmitted to the human ear. Sound can be differentiated into two: one that travels through air and the other, through solid objects. The latter can be defined as structural-borne sound.
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M. N. Rama Rao & Company

Bengaluru, Karnataka
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Product Description

  • Hot roll lamination of skins
  • Application of adhesives

Noise
Noise can be explained as any unwanted or unpleasant sound regardless of its intensity or duration. Noise originates from a sound source and is transmitted to the human ear. Sound can be differentiated into two: one that travels through air and the other, through solid objects. The latter can be defined as structural-borne sound.

To control noise effectively, it's important to distinguish between the two types of sound and the medium in which it propagates. Sound waves are a form of elastic waves that occur in any medium that has mass and elasticity. When mass (inertia) enables disturbed particles to transfer energy to the adjacent particle, elasticity enables the disturbed particle to get back to its original position, like a spring. This propagation of momentum from one particle to another explains the manner in which sound waves travel.

All materials with mass and elasticity allow sound waves to propagate within it. This results in the vibration of the object. When the object vibrates, the air and particles surrounding it vibrates. This starts a chain reaction which, in turn, enables sound waves to propagate. These waves produce variations in the ambient pressure and it is this pressure variation that reaches the listener's ear as sound or noise. The ear drum is sensitive to the pressure variations produced by the vibrating particles. Structural-borne sound functions similarly as airborne sound, except the particles that vibrate in the chain of vibrations happen in the medium that propagates the sound. As the mass and elasticity of each medium varies, the properties and the speed of the sound waves will also vary.


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Noise Absorber Foams

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About the Company

Year of Establishment1973
Nature of BusinessManufacturer
Number of Employees51 to 100 People
Annual TurnoverRs. 10 - 25 Crore
IndiaMART Member SinceOct 2005

M. N. RAMA RAO & COMPANY is an ISO 9001-2000 certified company with expertise in the Design, Manufacture, Testing, and Commissioning of a wide variety of filters for Automotive, Industrial, and Pollution Control applications. By pioneering the introduction of the Flexible Porous Cellular Plastic (FPCP) media in India, MNR has evolved as the largest supplier of air filters for two wheelers in the country, with over 85% market share. In fact, every large two wheeler manufacturer in the country is a customer of ours.

MNR is a family owned (and run) organization with low overheads where our customers experience the benefits of personalized service, short turnaround times, total focus on technical excellence and quality.

For industrial applications, MNR supplies filters and filtration solutions to the rapidly expanding pharmaceutical sector, hospitals, outsourced manufacturing, paint shops, and a variety of other industries. In short, since 1973 MNR has been designing and manufacturing filters that provide creative and technically competent solutions for almost all automotive and industrial filtering requirements.

MNR is proudly associated with EMW Filtertechnik Gmbh of Germany, a world leader in Air, Water and Molten Metal filtration, for over 25 years. The technical collaboration helps in offering customers high quality and high performance products at a competitive price. Our warehousing facilities enable us to develop and maintain an efficient supply network in the country and across the world. For MNR, Customers First is not just a slogan, but a way of life.

We have a 25,000 sq.ft. factory in the heart of Bangalore, India, where our filters are designed and manufactured with pride.

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Seller Contact Details

M.N. Krishna Rao

54/3/B, Ejipura Main Road, Viveknagar Post Office
Bengaluru - 560047, Karnataka, India

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