how is pcf density used in space exploration

% Density Density, pcf Temp, ºF. 1. ______ ______ ______. 2. ______ ______ ______. 3. ______ ______ ______. 4. ______ ______ ... Polyurethane Foam Core is a CFC-free, rigid, closed-cell, flame-retardant foam core and has a density of 6 pounds per cubic foot (PCF). ... density to determine the percentage of the proctor. For example, if the Maximum Density/Proctor dry density is 130.0 pcf and the field density test is 125.5 dry ... Cellular Concrete Class, Maximum Cast Density PCF, Minimum Compressive Strength at 28 days * PSI ; II, 25-30, 40 ; III, 30-36, 80 ; IV, 36-42, 120. Apr 11, 2020 ... The aim of the present study was to compare, in low-density polyurethane blocks, the primary implant stability values (micromobility) and removal torque values. 2 Turn to the proper tables provided with the nuclear gauge and record the wet density, pcf. 8.2. Calculate moisture content, %. 8.2.1 Divide the moisture ... Jul 27, 2021 ... P.C.C. Pavement Broken for use as Class ″E″ Rip-Rap 120 pcf ... Density: 150pcf for non-slag mixture and 170pcf for slag mixture. 11 ... Jan 31, 2025 ... The biomechanical impact of cement volume and filling pattern for augmented pedicle screws using various density testing blocks ... pcf, 15 ... Density (PCF) (kg/m³). 1.35 – 1.65 PCF. 21.6 - 26.4 kg/m³. ASTM D3574. Compression Deflection (CFD) (psi). (kPa) @25%. 22-36 lbs/50 in2. 40-72 lbs/50 in2. ASTM ... Feb 25, 2017 ... good quality, suitable for people of any weight: 5-pcf density memory foam ; 2-pcf density polyurethane foam ; ILD 28 or higher latex foam.