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Basic properties of NEOMA Foam panels

NEOMA and other thermal insulation foams

Property Units NEOMA Foam
test values
Standards under JIS A 9521 foam classification
Phenolic
CⅡ
Extruded PS
Class A
3-bA
Expanded PS
Class A 3
Rigid urethane
Class A 2-2A
Density kg/m³ 27 ≥ 25 ≥ 25 ≥ 20 ≥ 25
Thermal conductivity W/mK
at 20°C
0.020 ≤ 0.020 ≤ 0.028 ≤ 0.038 ≤ 0.024
Bending strength N/cm² 45 ≥ 15 ≥ 25 ≥ 18 ≥ 15
Compressive strength N/cm² 17 ≥ 10 ≥ 20 ≥ 8 ≥ 8
Water absorbance g/100cm² 1.7 ≤ 5.0 ≤ 0.01 ≤ 1.0 ≤ 3.0
Vapor permeability
(25 mm thickness)
ng/m²sPa 42 ≤ 60 ≤ 145 ≤ 250 ≤ 40

Notes:

Values shown for NEOMA Foam are basic values for standard version, and not for high-density version.
Values shown for NEOMA Foam are typical test values and represent no specification or warranty. All other values are taken from JIS A 9521 Prefoamed Cellular Plastics Thermal Insulation Materials (2017R).

Test methods

JIS A 9521.......Density, compressive strength, absorbance, vapor permeability
JIS A 1412.......Thermal conductivity
ASTM D 696.....Heat deformation temperature

Extremely low formaldehyde gas release: All panels shown herein are free from restriction on surface area even in interior-wall applications under standard Japanese governmental regulations.

NEOMA Foam JIS A 9521 phenolic foam insulation panel Class A 1-2CⅡ FFour stars
Cement board Not subject to classification
Adhesive*, Al foil and paper, resin coating, inorganic board Non-formaldehyde composition

* In NEOMA Foam UF: JAIA-003198 FFour stars

NEOMA - general characteristics

Characteristic Test method Test result
Combustibility • JIS D 1201 : 1998 Self extinguishing
Dist.: 0 mm
Time: 0 sec.
Linear expansion • JIS K 7197 : 1991 ≤ 10-5 cm/cm·°C
Weather
resistance
• JIS D 0205
1,000 hr, Sunshine
Weatherometer,
2 yr outdoor equiv.
Browning, no
damage or
volume loss
Ignition temp. • JIS K 2265-2 ≥ 259°C
Combustion temp. • ASTEM E 659 ≥ 514°C
Limiting oxygen index • JIS K 7201 ≥ 28
Smoke generation
under combustion
• ASTM E 662-05 Max. light atten. coeff. 2
Gas generation
under combustion
• JIS K 7217 Carbon monoxide 8.3 mg/g
Carbon dioxide 2300 mg/g
Hydrogen chloride N/D
Hydrogen cyanide N/D
Sulfur oxide 3.0 mg/g
Nitrogen oxide 0.46 mg/g
Ammonia 0.44 mg/g
Formaldehyde gas release • Ion chromatog. Rate: ≤ 5 μg/(m²·h)
(Class FFour stars)
• JIS A 9511
Property Substance Test result (Weight Change)
Chemical
resistance
ASTM D 543
• Automotive oil
• Gasoline
• Terpene oil
• Kerosene oil
• Olive oil
• Benzene
• Methylene chloride
≤± 100%
• Ethanol > 100% , ≤600%
• Methanol > 600%
• Carbon tetrachloride
• Methyl ethyl ketone
≤± 100%
• Acetone > 100% , ≤600%
• Perchloroethylene
• Distilled water
• Saturated saline
≤± 100%
• Conc. sulfuric acid Dissolution
• 10% Sulfuric acid ≤± 100%
• Conc. nitric acid Dissolution
• Conc. hydrochloric acid > 100% , ≤600%
• 10% Hydrochloric acid ≤± 100%
• 10% Ammonia > 100% , ≤600%
• Conc. sodium hydroxide ≤± 100%
• 10% Sodium hydroxide > 600%
Property, Test method Type or substance Result
Toxicity
OECD
Guideline
• Acute oral toxicity
• Acute precut. toxicity
• Acute skin irritancy
• Skin sensitization
• Acute eye sensitization
• Mutagenicity
• Acute inhalation toxicity
None
Toxicity at
disposal
Elution Test Annual
No.13 of Environ.
Agency, 1974
• Total mercury
• Alkyne mercury
• Cadmium
• Lead
• Hexavalent chromium
• Arsenic
• Cyanogen
• PCB
• Trichloroethylene
• Tetrachloroethylene
• Methyldimedone
• Methylparathion
• Phosphorus
• EPN
Ethyl-P-Nitrophenyl phenylthiophosphonothiate
N/D