Flap Disc
T27/T29
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 T27/107*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)
Type | 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) |
