window curtain--insulate sound

 

Good effect of noise insulation, not take much space, sunshade, energy saving

Noise insulation, energy saving;
Taking much space, influence light of sight

Sunshade, not take space
Not noise insulation, not energy saving

Function

Qin Yi noise insulation curtain (remote-control)

Second layer noise insulation window

Remote-control sunshade curtain

Property comparison: (Beijing Product Test Center of Noise and Vibration Control, tested on 18th Sept., 2006)

Description:
noise insulation index of noise insulation curtain + 400mm air layer + 85 series push-pull window
noise insulation index of 85 series push-pull window
increased noise insulation index of Qin Yi noise insulation curtain

 

12

15.4

11.7

8.2

13.6

12.2

Noise insulation index dB

25

24.5

25.3

23.9

19.0

13.1

Noise insulation index dB

37

39.9

31.0

32.1

32.6

23.5

Noise insulation index dB

weighted noise insulation index Rw

2000

1000

500

250

125

Centre Frequency (Hz)

Serial No.

Application place:
hotel, residential areas, hospital, office building, piano room, audition room, industrial workshop and so on.
Installation method:
similar to the common curtain installation method, common decoration workers can finish installation.
Property test:
(Beijing product test center of noise and vibration control, tested on 18th Sept., 2006)

2. International Application No.: PCT/CN2007/000375

Technology support:
1. Domestic new products, have got national invention patents, patent application number: 200610141089.9

Product specification:
Width: 0.86m, height: 16m, matching various accessories, can be made according to the customers requirement.

Product property:
1. increase the noise insulation index by 812 decibel (large noise insulation index for low frequency), can replace the second layer window of the double layer noise insulation window
2. the noise insulation index can reach 20 decibel when individual use, can be used as the indoor movable sound barrier
3. have sunshade function, heat insulation and preservation, not take indoor space
4. many colors fabrics for chosen
5. three rolling ways of by hand, electric, remote-control, manipulate conveniently
6. can choose the washable fabrics
7. simple installation and convenient maintenance

window curtain---special for sound insulation

window curtain
1.Increase the noise insulation index by 8-12 decibel
2.Sunshade function
3.Many colors fabrics
4.Washable