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| Sr. no. | Physical Properties | As per IS 12436 | As per ASTM C591-19 Grade-2 Type-II | Alaska PUF Material Test Results | ||||||||
| Test Method | Ref. Value | Unit | Test Method | Ref. Value | Unit | Test Method | Test Result Value | Unit | Test Certificate No. | Test Laboratory | ||
| 1 | Density | IS 11239 -Part 2 | 40 | kg/m3 | D1622 | 40 | kg/m3 | ASTM D1622 | 44 | kg/m3 | CL7927/19-20 | DIVINE METALLURGICAL SERVICES PVT LTD, AHMEDABAD |
| 2 | Compressive Strength, min | IS 11239 - Part 11 | 205 | kN/m2 | D1621 | 240 | kPa | ASTM D1621 | 595 at 23 °C | kPa | CL7927/19-20 | DIVINE METALLURGICAL SERVICES PVT LTD, AHMEDABAD |
| 3 | Thermal Conductivity, max at 10 Deg C at -20 Deg C | IS 3346 : 1980 | 0.023 | W/m-k | C177 | 0.026 0.027 | W/m-k | ASTM C177 | 0.024 0.023 | W/m-k | 03/19-20 (2020-2021) | NIRMA UNIVERSITY, AHMEDBAD |
| 4 | Water Vapour Permeability, max | IS 11239 - Part 4 | 8.5 | ng/Pa-s-m | E96 | 5.1 | ng/Pa-s-m | IS 11239 - PART 4 | 0.76 At 23 °C and 50% RH .h | g/(m2 h) | 03/19-20 (2020-2021) | NIRMA UNIVERSITY, AHMEDABAD |
| 5 | Closed Cell Content, min | IS 11239 - Part 5 | 85 | % | D6226 | 90 | % | IS 11239 - PART 5 | 95.58 | % | 03/19-20 (2020-2021) | NIRMA UNIVERSITY, AHMEDABAD |
| 6 | Chloride Content, max | IS 3025 Part 32 | - | - | ASTM C871 | - | - | IS 3025 Part 32/ ASTM C871 | 2.48 | ppm | 2916/19-20 | DIVINE METALLURGICAL SERVICES PVT LTD, AHMEDABAD |
| 7 | pH Values | IS 3025 Part 32 | - | - | ASTM C871 | - | - | IS 3025 Part 32/ ASTM C871 | 6.8 | - | 2916/19-20 | DIVINE METALLURGICAL SERVICES PVT LTD, AHMEDABAD |
| 8 | Fire Retardant Characteristics Horizontal Burning Characteristics, max | IS 11239 - Part 12 | 25 | mm | - | - | - | IS 11239 - Part 12 | 20.1 | MM | 03/19-20 (2020-2021) | NIRMA UNIVERSITY, AHMEDABAD |
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