Richard Hough Limited manufactures and recovers Roberto rolls to the following specifications.

| Specifications | |
|---|---|
| Cover Material | Roberto non-woven – compressed fibres coated with a synthetic binder material |
|
Centre Material |
Carbon Steel BS970 080M40 |
|
End Plate Material
|
Mild Steel BS970 070M20
|
|
Hardness
|
up to 95° shore 'A'
|
|
Profile
|
Parabolic camber
|
|
Applied Load
|
< 75 kg / linear cm
|
|
Operating Temperature
|
Maximum 80-100°C
|