Expanded polystyrene foam (EPS) produced by EUMEPS members. Download Comparison Chart as PDF. x 48 in. Home » Forum » General Discussion. All substances of unknown composition should be tested for compatibility. The performance of these foams has to be studied as a function of several parameters such as density, microstructure and also the strain rate imposed during dynamic loading. EPS protective packaging offers a broad range of physical properties to the designer and user. 0000015378 00000 n EPS board produced to meet the requirement of Type I EPS has been tested and found to fall within 10 to 14 psi. This means that EPS can be used in a lightweight fill application, where it is used in the place of low bearing capacity foundation soils or heavy fill materials, to prevent the associated issue of unacceptable rates of settlement. However, variables such as the grade of raw material used, geometry of the molded part and processing conditions will affect package properties and performance. 0000011227 00000 n A mattress with a 5.0 foam density doesn’t say much about the love seat you’re considering, for instance. We purchase EPS foam in large billets, and slab cut it into sheets in our shop. Intro to Surfboard Foam; Intro to Stringers; Blanks Catalogue 2020; Quick Ref Blanks Chart; Foam Density Chart; So what is Superwhite Foam? Once in the mold, the pre puff beads are again steamed to form a block that is anywhere from 37-1/2″ – 54″ x 49″ x 121-1/2″ – 220″. This should be taken into consideration when selecting adhesives, labels and coatings for direct application to the product. XPS is another form of a foam which offers improved surface roughness and higher stiffness with reduced thermal conductivity. Because a molding process is used to produce EPS foam, there are more sizes available to select from, compared to XPS foam board which comes in limited sheet sizes. EPS. SilveRboard 0.625 in. http://www.EPSFoamPro.comWhat is High Density Expanded Polystyrene EPS Foam? Many temperature sensitive pharmaceutical and medical products use EPS because comparable packaging materials can rarely offer the same level of thermal insulation. Density affects foam durability and support. Shop Online Machine Blanks - All. Amvic Multipurpose High Density Insulation Kit R10 2-3/8 in. x 24 in. 3/4 in. 0000034867 00000 n The volume resistivity of molded polystyrene within the 1.25-2.5 pcf density range, conditioned at 73° F and 50% r.h. is 4x1013 ohm-cm. Four different density values of 50 kgmˉ³, 64 kgmˉ³, 80 kgmˉ³ and 100 kgmˉ³ were considered in this study. Howzit! Last post. 0000004153 00000 n Duration of temperature, external load conditions, and density are the variables affecting foam insulation at elevated temperatures. However, its actual R-value of foam insulations varies, depending on the density of each sheet of insulation. 0000022156 00000 n These properties, in combination with satisfactory engineering considerations provide the design flexibility required to create truly cost-effective protective packaging.With the average package handled by up to nine different people and with more than 445,000 packages a day per distribution facility, the risks of the distribution environment can be great. density of styrofoam is equal to 50 kg/m³; at 20°C (68°F or 293.15K) at standard atmospheric pressure. 0000001311 00000 n 0000005696 00000 n 0000001042 00000 n The dielectric strength of EPS material is approximately 2KV/mm. 0000013209 00000 n is ideal for many applications requiring high-strength insulation board. 0000000987 00000 n 0000010885 00000 n A mattress with a 5.0 foam density doesn’t say much about the love seat you’re considering, for instance. The table below breaks down PCF ranges for low-, medium-, and high-density polyfoams and memory foams. 72 sq. The density of EPS is low compared to water, with a normal density range of 11 to 32 kg/m3 compared to water at 100 kg/m3. The density chart below offers great choices for lightness and strength. Millions of manufacturers over the past 40 years have relied on EPS transport packaging because of its exceptional cushioning properties and high tensile strength. x 24 in. The EPD applies to 1 m³ and 1 m² with R-value 1 (in EPD Annex) with average density of 20 kg/m³. The result is the weight in kilograms that a cubic metre of EPS can support when fully submerged in water. Surfblanks Lite EPS. x 48 in. `s8�'���q�Y��s�m7�[�N�_��7@5�Ʀa ����i`�����`惭eL��2@,�Þ���>�#� ��,37�d�]X�=E��C�;&�����ݹ�몂��b��� } zw6T endstream endobj 51 0 obj 184 endobj 22 0 obj << /Type /Page /Parent 19 0 R /Resources 23 0 R /Contents 31 0 R /MediaBox [ 0 0 612 792 ] /CropBox [ 0 0 612 792 ] /Rotate 0 >> endobj 23 0 obj << /ProcSet [ /PDF /Text /ImageC ] /Font << /F5 24 0 R /F6 29 0 R /F7 25 0 R /F8 34 0 R /F9 35 0 R /F10 37 0 R /F11 39 0 R >> /XObject << /Im1 48 0 R /Im2 49 0 R >> /ExtGState << /GS1 42 0 R >> /ColorSpace << /Cs5 30 0 R >> >> endobj 24 0 obj << /Type /Font /Subtype /Type1 /FirstChar 32 /LastChar 181 /Widths [ 482 482 334 964 964 1333 1087 272 370 370 592 600 482 444 482 370 964 964 964 964 964 964 964 964 964 964 482 482 600 600 600 791 800 1012 1012 1012 1061 864 839 1061 1042 296 791 987 765 1332 1087 1087 939 1087 987 987 864 1042 964 1332 1012 964 913 370 370 370 600 500 272 765 791 741 791 765 494 791 791 272 272 716 272 1235 791 815 791 791 642 765 593 791 690 1042 690 667 667 370 222 370 600 482 482 482 482 482 482 482 482 482 482 482 482 482 482 482 482 482 482 482 482 482 482 482 482 482 482 482 482 482 482 482 482 482 482 482 964 964 482 482 482 482 482 800 482 482 482 482 482 482 482 600 482 482 482 791 ] /Encoding /WinAnsiEncoding /BaseFont /JLJKLF+Eurostile-ExtendedTwo /FontDescriptor 26 0 R >> endobj 25 0 obj << /Type /Font /Subtype /Type1 /FirstChar 32 /LastChar 240 /Widths [ 250 333 408 500 500 833 778 180 333 333 500 564 250 333 250 278 500 500 500 500 500 500 500 500 500 500 278 278 564 564 564 444 921 722 667 667 722 611 556 722 722 333 389 722 611 889 722 722 556 722 667 556 611 722 722 944 722 722 611 333 278 333 469 500 333 444 500 444 500 444 333 500 500 278 278 500 278 778 500 500 500 500 333 389 278 500 500 722 500 500 444 480 200 480 541 250 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 500 500 0 0 0 0 0 760 0 0 0 250 0 0 250 564 250 250 0 500 250 250 250 250 250 0 0 250 0 0 0 0 0 250 0 250 250 0 0 0 250 0 0 0 0 0 500 1000 444 444 0 0 0 250 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 250 ] /Encoding /MacRomanEncoding /BaseFont /JLJNFE+TimesNewRomanPS /FontDescriptor 28 0 R >> endobj 26 0 obj << /Type /FontDescriptor /Ascent 705 /CapHeight 705 /Descent -225 /Flags 32 /FontBBox [ -221 -279 1326 1042 ] /FontName /JLJKLF+Eurostile-ExtendedTwo /ItalicAngle 0 /StemV 190 /XHeight 465 /CharSet (/u/k/m/l/P/o/c/D/comma/y/p/x/e/S/d/F/f/a/E/r/space/h/g/s/i/t/n) /FontFile3 40 0 R >> endobj 27 0 obj << /Type /FontDescriptor /Ascent 705 /CapHeight 705 /Descent -225 /Flags 262176 /FontBBox [ -60 -250 1270 993 ] /FontName /JLJLKB+Eurostile-Demi /ItalicAngle 0 /StemV 126 /XHeight 465 /CharSet (/u/d/Y/F/f/I/E/period/h/J/P/w/i/L/y/x/zero/M/n/one/H/k/O/two/m/l/g/three\ /o/A/R/parenleft/p/four/S/parenright/five/bullet/U/B/a/r/space/V/b/C/K/N\ /s/W/c/D/T/comma/t/eight/X/e/G/hyphen) /FontFile3 41 0 R >> endobj 28 0 obj << /Type /FontDescriptor /Ascent 705 /CapHeight 705 /Descent -225 /Flags 34 /FontBBox [ -167 -216 1009 878 ] /FontName /JLJNFE+TimesNewRomanPS /ItalicAngle 0 /StemV 87 /XHeight 465 /CharSet (/u/d/nine/F/f/I/quotedblright/v/E/period/h/colon/J/P/w/slash/semicolon/i\ /L/endash/percent/y/x/zero/j/M/n/less/z/one/k/H/O/two/m/l/g/three/o/pare\ nleft/A/R/p/four/S/parenright/quotedblleft/q/five/U/emdash/B/a/r/space/s\ ix/b/V/C/K/s/seven/W/c/N/D/comma/T/t/eight/e/G/hyphen) /FontFile3 45 0 R >> endobj 29 0 obj << /Type /Font /Subtype /Type1 /FirstChar 32 /LastChar 240 /Widths [ 352 309 474 705 705 905 781 238 348 348 705 584 352 266 352 682 705 705 705 705 705 705 705 705 705 705 352 352 584 584 584 595 975 709 716 696 754 619 582 727 769 276 583 715 565 1007 827 715 686 766 722 673 587 754 677 1113 693 670 648 348 278 348 584 500 371 589 594 551 593 570 348 594 598 236 225 539 252 924 598 582 596 597 471 557 425 593 491 796 500 485 475 389 280 389 584 352 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 705 705 0 520 0 0 0 790 0 0 0 352 0 0 352 584 352 352 0 593 352 352 352 352 352 0 0 352 0 0 0 0 0 352 0 352 352 0 0 0 352 0 0 0 0 0 0 0 0 0 0 0 0 352 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 352 ] /Encoding /MacRomanEncoding /BaseFont /JLJLKB+Eurostile-Demi /FontDescriptor 27 0 R >> endobj 30 0 obj [ /CalRGB << /WhitePoint [ 0.9505 1 1.089 ] /Gamma [ 2.2222 2.2222 2.2222 ] /Matrix [ 0.4124 0.2126 0.0193 0.3576 0.7152 0.1192 0.1805 0.0722 0.9505 ] >> ] endobj 31 0 obj << /Length 2712 /Filter /FlateDecode >> stream Foam densities can range from as low as 0.8 pcf to as high as 6 pcf, with a sufficient range being between 0.9 to 2.5 pcf. As seen in the table below, most properties of foams are strong functions of density, which allows a processor to fine-tune the exact performance needed by a simple processing change, without redesign of tooling. The water buoyancy per cubic metre of EPS is determined by subtracting its kg/m3 density from 1000. Styrofoam weighs 0.05 gram per cubic centimeter or 50 kilogram per cubic meter, i.e. Its uniform, closed cellular structure limits radiant, convective and conductive heat transfer. In Imperial or US customary measurement system, the density is equal to 3.1 pound per cubic foot [lb/ft³], or 0.029 ounce per cubic inch [oz/inch³]. This is an economical packaging foam that is available in densities ranging from 1# to 3# and is easily formed by cutting, hot wiring, molding and routing. At frequencies up to 400 MHz, the permittivity is 1.02-1.04 with a loss factor less than 5x10-4 at 1MHz and less than 3x10-5 at 400 MHz. 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