MEDIUM DENSITY OVERLAYS (MDO)

MEDIUM DENSITY OVERLAYS (MDO)

Heavy kraft paper based products that are first saturated and cured, then coated with  phenolic glue resin for application directly to hardwood or softwood plywood in a hot press. Paneltech’s standard MDO products meet the requirements of PS 1-07 and have been certified by the APA.

MDO Concrete Form Product Application Matrix

305 389 / 396 454 407 DURA-MAX
Concrete Pour Apperance Adequate Best Better Good Good
Durability OK with good form release Good Good Better Best
Concrete Alkalinity Resistance Fair Good Good Better Best
Grain Masking and Panel Features Better than BB Good Best Panel features show through Panel features show through
Low Pressure Blisters Not Recommended without good thickness control Good Best Better Better
Resin Type Phenolic Phenolic Phenolic Phenolic Melamine Hybrid
Resin Content 35% 35% 35% 38% 46%
Preferred Application Low Cost to Compete with BB Good for high quality pours or cushion sheet (396) One-strp for High masking High Durability Highest alkalinity resistance for harsh concrete mixes
Approximate Caliper .014 in .018 in .021 in .021in .021
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