江苏爱富希新型建材有限公司

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Aifuxi new-type building materials---sound absorbing & insulation ceilings.

Sound-absorbing ceiling

一、Wide Frequency-band sound-absorbing suspended ceiling

A、Structural floor

B、Tendon-suspended, light-steel keels with hollow cavity. （≥100mm）

C、Sound-absorbing layer of centrifugal glass wool panel in 50mm thick.

D、Perforated LCFC (NALC) panels of 5-8mm thick.
Perforating rate: ≥16%
Aperture: ￠6-8

二、Low Frequency-band sound-absorbing ceiling

A、Structural floor

B、Tendon-suspended, light-steel keels with hollow cavity. （≥200mm）

C、Perforated LCFC (NALC) panels of 5-8mm thick.
Perforating rate: 0.5-4%
Aperture: ￠4-8

D、The panel is covered with a layer of glass wool cloth or yarn free cloth.

三、Middle- and high- frequency sound-absorbing ceiling

A、Structural floor

B、Light-steel keels of 50mm or 75mm.

C、Sound-absorbing layer of centrifugal glass wool panel in 50mm-70mm thick. (including glass fiber hop-pocket ), (Density: 24-32kg/m3)

D、Perforated LCFC (NALC) panels in 5-8mm thick
Perforating rate: ≥16% ; Aperture: ￠6-8
The surface is covered with coatings or sound-transparent cloth

Sound-insulation ceiling

	Chart one A、Structural floor B、Tendon-suspended keel with hollow cavity. C、Centrifugal glass wool panels or mineral wool panels in 50mm or 75mm thick. D、LCFC (NALC) panels of 10mm-12mm thick.
	Chart two A、Structural floor B、Tendon-suspended, light-steel keels with hollow cavity C、Centrifugal glass panels or mineral wool panels in 50mm or 75mm thick. D、LCFC (NALC) panels in 10mm-12mm thick.
	Chart three A、Structural floor B、Tendon-suspended, light-steel keels with hollow cavity (can provide flexible sling dogs) C、LCGC (NALC) panels of 8mm-10mm thick. D、Keels of 75mm thick with 75mm thick mineral wool panels filled inside. E、LCFC (NALC) panels of 10mm-12mm thick.
	Chart four A、Structural floor B、Tendon-suspended, light-steel keels with hollow cavity C、LCFC (NALC) panels of 8mm-10mm thick. D、Keels in 75mm thick with 75mm thick mineral wool panels filled inside. E、LCFC (NALC) panels of 10mm-12mm thick.