how does pcf density affect resistance to impact

PremiSeal 300 is a nominal 3.0 pcf density closed cell polyurethane foam roofing system intended for use by qualified contractors. 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. 2nd Quality Hexcel HexWeb® Aluminum Honeycomb Core – Spec DS 2100 – 5052 Expanded Panel – 4.3 PCF Density $206.99 – $755.99. SKU: 10734-4.3. Our 6154 foam is a black micro-cellular urethane material with a density rating of 15 PCF / 240 kg/m³. This material has good UV, Ozone, Corrosion, Fogging… Use our PCF Calculator to determine the Pounds per Cubic Foot. No other site offers this extensive list. Step 2: Use Table below to determine what class ... Density, pcf (kg/m3). 8, 10, 16 (128, 160, 256). Standard Tolerances. Thickness, in (mm). + 0.03/- 0.0 (+0.762 ... F 351 core, S-Glass facing ,16 pcf density. Menu · Home · Products · Packing & Shipping · Packing Materials · Foam Wrap · THFEPS11536 | **2.0 PCF DENSITY EPS;FOAM PROFILE 1/EA. Hold Your Shingles, Did You Grab These? QXO pros frequently purchase these items alongside InsulFoam A9 Tapered EPS 4' x 4' Roof Insulation - 1.00 pcf Density. With a 2.8 PCF density, it provides thermal insulation for operating temperatures up to 1000ºF for furnaces and more. Applications. High-Temp Equipment. ... 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 ...