1.Product Description

Fiberglass backing pads are made of fiberglass cloth with mufti-layer stack of compression in the mold after special treatment by heating. With many nice features like light-weight and high -strength, excellent bonding performance and high flexibility, it is used as an idea base material for all kinds of flap discs.

2. Expression of Specification.
Taking T29/107*22.2 B7 for example:
Type: T27 means flat;
T28 means conical tilt to polished surface
T29 means conical tilt to the back
OD: outside diameter is 107
ID: inside diameter is 22.2
Ring: A 1 ring used in the label side
B 1 ring used in the polishing side
C 2 rings
Layers depend on the specific thickness.

(Specifications of Fiberglass Backing Pads For Flap Discs)

Typ Metal Ring Layers Thickness (mm) Inside Diameter (mm) Outside Diameter (mm)
T27

(Flat)

T28

(Convex)

T29

(Convex)

   1 or 2  3-12   2.4-3.5

(±0.3)

16.3 or 22.3

(±0.15)

75/85/95/107/117/140/170

(±0.5)