Q:The glass wool board of Kunnai Building Materials Corporation have different densities. Are there any differences?

Sound insualtion effect varies with density and thickness of the boards. The boards with higher density and which is also thicker have better sound insulation.

Q:Can glass wool be used in exterior wall for thermal insulation?

It is good in fireproof effect but is poor in thermal insulation, so it is not recommended to use. It is recommended to use EPS exterior insulation with high quanlity and reasonable price.

Q:Sound absorption and sound insulation How is the sound insulation effect of glass wool?

Thesound insulation effect of sound absorption and sound insulation glass fiber is good. The fiber inside is fluffy and staggered, with a lot of tiny pores, which is typical porous sound-absorbing material and has good sound absorption properties. Glass wool can be made into wallboard, ceiling, space absorber, etc., which can absorb a lot of sound energy within the room, reducing the reverberation time and indoor noise.

Q:If rock wool board and glass wool are used in enclosed stone curtain walls, which one is better?

The meaning is actually same, but popularly it is called rock wool, while glass wool is adopted in actual use.

Q:What industry does the glass wool belong?

It belongs to thermal insulation construction materials industry, it is also a fireproof and thermal inuslation matertial.

Q:Does anyone know about the filling materials in the steel stud, is it glass wool or mineral wool?

Generally, rock wool is the filling materials.

Q:Does rock wool look like glass wool ?

They are not the same. The main raw material of glass wool is glass with long thin and elastic cellosilk, while that of rock wool is basalt with short and thick rock wool silk. But both are used for thermal insulation. Glass wool is more expensive.

Q:What is the construction technology of glass wool felt aluminium expanded sheet sound-absorbent wall?

The the following details are about the construction technology and practices: Firstly, materials requirements: The main construction materials include asphalt felt, wood keel, gypsum board, glass wool roll mat, glass fiber cloth and perforated aluminum plate. Secondly, technological process: Dry laying a layer of asphalt felt →install wood keel → install gypsum board → paste glass wool felt → pave and nail a layer of glass fiber cloth.

Q:Polyester and glass wool, which is better, and why?

The first one is better, it has good flexibility.