HIGH DENSITY OVERLAYS (HDO) AND FILMS
Highly saturated papers that are self-bonding to the substrate without a glue coating. Because of their higher resin content, they produce a somewhat glossier surface texture compared with MDO resulting in an “architectural finish” on concrete surfaces. The higher resin gives the HDO and films superior barrier properties and increased resistance to abrasion and alkalinity. HDO can extend panel life up to 20 times over non-overlaid plywood. When would you specify a phenolic over melamine?
Our HDO’s
HDO Concrete Form Product Application Matrix
| 173 C | 180 C | 120 N1 | Alka-Max M | Alka-Max P | |
|---|---|---|---|---|---|
| Concrete Pour Apperance | Architectural on smooth veneer face | Architectural on smooth veneer face | Architectural on smooth veneer face | Architectural on smooth veneer face | Architectural on smooth veneer face |
| Durability | Good | Better | Better | Best | Best |
| Grain Masking and Panel Features | Good with appropriate cushion sheet | Good with appropriate cushion sheet | Good with appropriate cushion sheet | Good with appropriate cushion sheet | Good with appropriate cushion sheet |
| Resin Type | Phenolic Hybrid | Phenolic Hybrid | Phenolic Hybrid | Melamine | Phenolic |
| Resin Content | 54% | 58% | 54 % | 62% | 62% |
| Preferred Application | Standard Use | More uses or higher alkalinity | More uses or higher alkalinity, same as 2 sheets of 173P | Highest alkalinity resistance for harsh concrete mixes | Highest alkalinity resistance for harsh concrete mixes |
| Approximate Caliper | .006 in | .0069 in | .0139 in | .0075 in | .0075 in |