กก
Sound felt material
lightweight, tensile strength, soft, thin black finish, large;
construction convenient, low cost, moisture resistance, anti
moth; at high temperature and low temperature conditions should
not be broken and soft, sound insulation mat function can always
keep the same sound insulation function. Soundproof felt monomer
application effect than the traditional insulation materials,
especially on the same frequency noise, sound insulation mat and
other sound-absorbing materials such as polyester fiber
sound-absorbing cotton, cotton insulation, rock wool, the sound
insulation function will be more excellent.
The effect of low frequency sound insulation material is
excellent,.
.