Cardboard B
Cardboard is widely used as warp in traditional and oxidized felts. Cardboard warp-based
felts are used primarily in the construction of basic water protection installation, as well as
constructing new and renovating old roofing.
We offer cardboard in grammages from 180 g/m2 to 420 g/m2.
Features:
Durability
Excellent flexibility
Tensile strength
Resistance to physical, chemical and environmental
| Basic materials | B-180 | B-230 | B-280 | B-320 |
| Reel width, mm | 1 000 +/- 5 | |||
| Grammage 1m2, g/m2/td> | 180+4-2 | 230+6-2 | 280+4-5 | 320+10-4 |
| Humidity | 6-6,5 | |||
| Saturation capacity (kreosene), min | 100-105 | |||
| Breaking force, kgf, min | 23,4-28 | 23,4-29,7 | 25,74-28,38 | 23,4-29,7 |
| Holes, cracks, tears, folder plates, and other defects at the butt ends and at the sides of the rolls | Are not allowed | |||
| Process of manufacturing | Cardboard is manufactured in reels by machining process of the secondary materials: wastepaper and secondary textile. | |||
| Composition | 100% mechanically derived fibres | |||
| Layers | Single-layer | |||
| Storage conditions | To keep with +5 till +30 and relative moisture 50-70% |