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(near r.t.) 535 kg/m 3: LNG (at 20 °C) 0.534 g/cm 3: CRC (near r.t.) 0.534 g/cm 3: 4 Be beryllium; use: 1.85 g/cm 3: WEL (near r.t.) 1848 kg/m 3: LNG (at 20 °C) 1.8477 g/cm 3: CRC (near r.t.) 1.85 g/cm 3: 5 B boron; use: 2.34 g/cm 3: WEL (near r.t.) 2460 kg/m 3: LNG (at r.t.) 2.34 g/cm 3: CRC (near r.t.) 2.34 g/cm 3: 6 C carbon (graphite) use ...
HDPE is known for its high strength-to-density ratio. [4] The density of HDPE ranges from 930 to 970 kg/m 3. [5] Although the density of HDPE is only marginally higher than that of low-density polyethylene, HDPE has little branching, giving it stronger intermolecular forces and tensile strength (38 MPa versus 21 MPa) than LDPE. [6]
Typical densities are 29 to 120 kg/m 3 (49 to 202 lb/cu yd) with the lower figure being common. [1] Densities as low as 14 kg/m 3 (24 lb/cu yd) can be produced. [2] Base polymer for EPE foams range from Low-density polyethylene (LDPE) to High-density polyethylene (HDPE). [2]
Young's modulus per density; specific stiffness (10 6 m 2 s −2) Young's modulus per density squared (10 3 m 5 kg −1 s −2) Young's modulus per density cubed (m 8 kg −2 s −2) Reference Latex foam, low density, 10% compression [4] 5.9 × 10 ^ −7: 0.06: 9.83 × 10 ^ −6: 0.000164: 0.00273: Reversible Assembled Cellular Composite ...
For medium- and high-density polyethylene the melting point is typically in the range 120 to 130 °C (248 to 266 °F). The melting point for average commercial low-density polyethylene is typically 105 to 115 °C (221 to 239 °F).
Police in Laos have detained the manager and seven staff members of a backpacker hostel in Vang Vieng following the deaths of six tourists from suspected methanol poisoning, state media reported ...
Mass attenuation coefficients of selected elements for X-ray photons with energies up to 250 keV. The mass attenuation coefficient, or mass narrow beam attenuation coefficient of a material is the attenuation coefficient normalized by the density of the material; that is, the attenuation per unit mass (rather than per unit of distance).
WASHINGTON (Reuters) -U.S. manufacturing contracted at a moderate pace in November, with orders growing for the first time in eight months and factories facing significantly lower prices for inputs.