open cell acoustic panels sound-absorbing panels rubber foam sound absorption board

Place of Origin:

Hebei, China

Brand Name:

huamei

Model Number:

class B1

Usage:

building insulation

Temperature:

-40℃-110℃

Raw material:

NBR and PVC

Certificate of class 0:

America FM Certificate

Certificate of class 1:

RoHS/SGS/BS476/KS/GB

Oxygen index of class0:

≥40%

Oxygen index of class1:

≥32

Material:

rubber and plastic

Color:

black

More number:

class1 and class0