Puf Pipe Line Insulation Materials

Properties

Polyisocyanurate

Polyurethane Foam

Density

32 + 2 Kg/m
Higher densities available.

36 + 2 Kg/m
Other densities available on request.

Compression Strength
(In direction of rise)

172 KN/m (1.75 Kgf/cm)

172 KN/m (1.75 Kgf/cm)

Thermal Conductivity
k (initial) at 100C

Max 0.021 W/mk (0.15 BTU-in/hr.sft.degF)

Max 0.021 W/mk (0.15 BTU-in/hr.sft.degF)

Temperature Limit

+ 1500C to - 2000C

+ 1100C to 1800C

Fire Resistance Properties

Surface Spread Flame
(BS:476 Part-7, 1987)

Ignitability
(BS : 476 Part-5, 1968)

Mean Extent of Burn
(BS: 4735 Part-7, 1971)

Class 1

Class P (Not Easily Ignitable)

Less than 25mm

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Class P (Not Easily Ignitable)

Less than 25mm

Toxicity

1.0142

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Smoke

780.89

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Oxygen

25

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Water Vapor Transmission
(BS:4370 Part-2, 1972)

5.84 x 10-3 g-m/s N

5.84 x 10-3 g-m/s N

Closed Cell Content

90% (Min.)

90% (Min.)