Specification :

RYMAX Foam Cement Wall Board

Filled with well-mixed polyphenyl granule and special cement, RYMAX Solid Cement Wallboard is light weight with good heat preservation, sound proof, heat insulation, fire proof and high weather ability. It is also resistant to degradation, mildew, termites. Honeycomb structure formed by evenly distributed polyphenyl granule gives the wallboard high impact resistance and good nail-holding grip.

Technical Performance:
Item Grade A Qualified product
Moisture content ( % ) d 10
Air-dry surface density ( kg/ m2) Model 60 d 38
Model 90 d 48
Model 120 d 72
Fracture Load ( N) Model 60 e1400 e1200
Model 90 e2200 e2000
Model 120 e3000 e2800
Dry shrinking value ( mm/ m) d 0.6
Impact resistance ( times) e5
Hanging force ( N) e800
Air Sound Insulation Factor ( dB) Model 60 e28
Model 90 e35
Model 120 e40
Fire-resistant Max.( h) Model 60 e1.5
Model 90 e2.5
Model 120 e3.0
Combustibility Non-inflammable
Rupture strength retention rate ( durabllity) ( % ) e80 e70
Note: Impact resistance means the number of times when the product is under the swinging impact of 30Kg sand bag with the drop of 0.5m, without any through-cracks.

General specification: ( Other specifications can be customized)
Thickness( mm) Width( mm) Length( mm)
5-150 600-1220 2440-3000

Wei ghts of different walls
Wall Type Thickness
( mm) Deadweight
( kg/ m2) Plaster
( kg/ m2) Gross weight
( kg/ m2)
Lime-Sand-Brick Wall 180 324 80 404
120 216 80 296
90 162 80 242
Aerated Concrete Block Wall 180 144 80 224
120 96 80 176
90 72 80 152
Hollow Brick Wall 180 180 80 260
120 120 80 200
90 90 80 170
RYMAX Light-weight Drywall 150 40 100K Rock woool 10 50
100 34 100K Rock woool 10 44
75 29 100K Rock woool 10 39
50 26 100K Rock woool 10 36