PP hollow formwork template can be used more than 50 times , which can greatly reduce the cost of construction, and the waste template can be recycled.
PP hollow building formwork function
Item | Tehcnology | Parameters |
1 | Tensile strength | ≥18.0Mpa |
2 | Impact strength | ≥21.0Mpa |
3 | Warp strength | ≥31.0Mpa |
4 | Flexural modulus | ≥1100 Mpa |
5 | Shrinkage rate(longitudinal)80℃*168h | ≤0.8% |
6 | Shrinkage rate(transerse)80℃*168h | ≤0.6% |
7 | Grip screw force(surface) | ≥1200N |
PP formwork is different from others formwork
Formwork name | PP formwork | Modular plastic formwork | PVC plastic formwork | Plywood formwork | Bamboo plywood formwork | Metal (aluminum/steel) formwork |
Wear resistance | Good | Good | Bad | Bad | Bad | Bad |
Corrosion resistance | Good | Good | Bad | Bad | Bad | Bad |
Tenacity | Good | Bad | － | － | － | － |
Impact strength | High | Easily broken | Normal | Poor | Poor | Poor |
After absorbing water | No deformed | No deformed | Deformed | Deformed | Deformed | Deformed |
Mold release property | No need release agent | No need release agent | Need | Need | Need | No |
Warp after used | No | No | Yes | Yes | Yes | No |
Weight (kg/sq) | 6 | 10 | 15 | 7.2 | 7.5 |
|
Recyclability | √ | √ | √ | － | － | － |
Bearing capacity | High | Bad (easily broken) | Normal | Normal | Normal | Hard |
Eco-friendly | √ | √ | √ | － | － | － |
Cost of use | Low | Higher | High | Higher | Higher | Higher |
Reusable time | Over 60 | Over 60 | 20-30 | 3-6 | 6-8 | 100 |
