89 1 BUCKSKIN 4 0. One version was made of Vectra (plastic) aromatic liquid crystal polymer tapered from 1. a little bit about 80% Lowers. An anodized finish is available in Clear Satin or Dark Bronze. Acceptable above about 90% at room temperature. 035") Wire Dia Hex Mesh . Free delivery. 4. PVDF resin is the raw material used by licensed formulators to manufacture PVDF based coatings. 10. 018 through . Cool metal roofing coated with a coating made with Kynar 500 ® PVDF resin is one way to limit the urban heat island. 69. Immersion (@ 100°F) No loss of adhesion. PVDF coatings are a resin-based coating system. Chief reserves the right to change designs, prices and specifications at any time without notice. 24 C O P P ER METALLIC E: 0. FLUROPON® 70% PVDF EXTRUSION COATING SYSTEMS FLUROPON ® 70% PVDF COATINGS FROM SHERWIN-WILLIAMS Field-proven exterior metal finishes that provide lasting durability for monumental structures. Standing Seam Systems provide excellent weather resistance and increased durability. 24" Tall 12 Gauge Galvanized Welded Steel with 3" mounting flange DAMPER 26"x26" SD60 UL 555S Leakage Class 1 Classified. 70% PVDF Coatings containing Galvalume® Aluminum ISR Initial Solar Reflectivity EMI Emissivity SRI Solar Reflectance Index 24ga 26ga . Fluropon delivers maximum color and gloss retention so your vision stays as true as the day you imagined it. 040 aluminum or 24 gauge metallic coated steel. 2 (aluminum) Line Drawing. When formulated into a paint coating, the paint must contain a minimum of 70% by weight of Kynar 500® resin, or an equivalent product, to manufacture a 70% PVDF resin based coating that meets the highest performance criteria of AAMA 2605. 302 and 304 stainless steels – 1. Standard Architectural Colors in our premium 70% fluoropolymer (PVDF) paint system. 016 min) Grade 80 • 28-gauge (. Page of . 24 gauge Flurpon® 70% PVDF, 26 gauge painted Synergy™ 70% PVDF and Bare Galvalume® and G90. steel ASTM A 653 structural steel SS 50 (SS 37 for 48” width) with G90 coating or ASTM A 792 Structural Steel grade 50 (grade 37 for 48” width) with AZ50 coating. Quantity: Discount: Discounted price: 1 - 5: 27%-6 - 19: 32%-20 +. The obtained LLZO/PVDF-HFP 70 PEO-LiTFSI CSE membrane has good ionic conductivity (4. 2022-07-24 12:51:38. Florida Building Product Approval: FL 30777. Nu-Wave® Corrugated Metal Roofing also offers a unique yet flexible design when combined with other building materials. Materials are pretreated, primed and coated with a full strength 70% PVDF coating system, consisting of nominal 1. SDS; View Products on Sigmaaldrich. PVDF Resin produced. Type 309 is em-ployed for parts requiring both corrosion and heat resistance and oxidation resistance up to 2000 °F. 08 Finish: Mill Finish (Galvalume®) Acrylic Coating Warranty: 25 Years* Kynar Finish: 70% PVDF Fluropon Sherwin-Williams Kynar 500® Warranty: 35 Years* SRI: 29 • LRV: 10 • GA: 24 & 22 Cool MATTE BLACK SRI: 29 • LRV: 5 • GA: 24 & 22. 3) Finish: Exterior skin to have two coats of paint, one primer coat and one finish coat. The phase diagram of the hydrogen molecule H 2 is shown in Fig. Deduct channel weight from the beam loads. M. The valves and piping will withstand. 10% muriatic acid — 24 hrs. Metal Panels, Inc. PAC-CLAD wall and metal roofing panels are available in a dazzling color palette of Kynar-based 70% PVDF finishes, backed by an outstanding non-prorated finish warranty. 032 Aluminum, . 26 & 24 Ga. made of 16-gauge steel. Durapon 70® a unique Proprietary Resin System that incorporates 70% Polyvinylidine Fluoride (PVDF). Kynar. AAMA 2605 is the mainstay of liquid options like 70% PVDF liquid, but of course there are powder equivalents with the same or better technical performance as. 82 lb per square foot per inch thick, equivalent to 501. SVLP04700. concentrations above 70%, H2O2 is usually designated as high-test peroxide (HTP). 38 In Table 1, it can be observed that the carbon steel shows higher corrosion rates than the UNS S304 and S316 austenitic stainless steels. Special Offerings: 18 and 20 gauge metallic. 86 41 BURGUNDY 4 0. 63 0. Everlast Metals maintains one of the largest inventories of coil and flat sheet stock in the industry. Steel-City Silver UC106705XL BN9A148B N/A N/A UC113027 UC118410 N/A 67. Its inherent mechanical properties meet or exceed those of commonly accepted 70% PVDF finishes, yet are available without the high cost of application and the negative environmental impact. Substrate: 55% Al-Zn Alloy Coated Steel with Acrylic Coating G90 Galvanized. SRI: 26 • LRV: 7. PVDF resins are one of the best protective coatings available, which is why PVDF is the most commonly used metal coating system for higher-end architectural. 24 COLORS IN STOCK MORE COLORS - MORE CHOICES • 28-gauge (. 5 in. Gauge: 26, 24, 22, & 20. 125 in aluminum and 48″ wide coil in 24 gauge steel. This review presents the research on Poly (vinylidene fluoride) (PVDF) polymer and copolymer nanocomposites that are used in energy storage applications such as capacitors, supercapacitors, pulse power energy. 70: 5. 24 Gauge Ppgi Color Coated Iron Roofing Stainless Steel Sheet Container Roof Sheet Colourful Metal Steel Panel Roof Tile , Find Complete Details about 24 Gauge Ppgi Color Coated Iron Roofing Stainless Steel Sheet Container Roof Sheet Colourful Metal Steel Panel Roof Tile,Container Roofing Sheet,Color Coated Roofing Stainless Steel. Coverage: 36". Traditional trim components can be fabricated in 10' lengths. 50 to $3. 24 gauge Flurpon® 70% PVDF, 26 gauge painted Synergy™ 70% PVDF and Bare Galvalume® and G90. In addition, Wieland is your source for 24 gauge painted 70% PVDF galvalume steel. Created Date: 20200324220311Z. Long-lasting, durable, and sustainable, HR-36 comes in several energy-efficient colors and paint systems to meet just about any need. 86. $18. , Dawood N. Skip to the beginning of the images gallery. PVDF coating is a resin based coating with 70% fluoropolymer resins. This can be done by multiplying the present value factor by the amount received at a future date. 2″ Rib by using factory fabricated Elite Series, including the Z Box and Closure Angle shown. Extreme Inertness in Harsh Environments. Internal Cement Mortar 07-MAY-11 01-SAMSS-005 Lining of Steel Pipe Paints and Coatings 01-SAMSS-010 Fabricated Steel Piping Piping 25-MAY-11 01-SAMSS-012 Submarine Pipe Weight Coating. 0 µm MSDS (material safety data sheet) or SDS, CoA and CoQ, dossiers, brochures and other available documents. 3% This symbol is used if: Use of Dyneon PVDF is limited The response to at least one of the first two criteriaThe PVDF/BZT-BCT@PDA composite thin films were fabricated by an electrospinning equipment (ET-1334, China) and a centrifugal device based on a high-speed bench drill. The average metal roof cost comes in at $11,412 for a 2,300-square-foot-home but can reach $90,000 for a copper roof on a 3,000-square-foot home. Zinc-Aluminum Alloy Steel (i. 30: 0. While this color provides warmth and an appealing visual effect for certain designs, rust represents the degradation of the metal. 24 GaUGE MatERIaL SIGNATURE® 300 METALLIC 24 GaUGE MatERIaL Siliconized Polyester Polar White is a Straight Polyester. METALLIC COLORS1. The system consists of Fluropon® top coat applied over a polyester primer. 125 for all applications that. Full-Strength 70% PVDF Fluoropolymer Coating. Gideon Steel's 24 gauge substrate, is coated with this two-coat paint system with Kynar resin to achieve resilient color longevity. Details. +60 88 499918. 26 & 24 Ga. Powder coatings, however, continue to gain market share as concerns over . We use 24 gauge (. White Aluminum Sheets With PVDF Finishes. We specialize in structural steel columns, beams, moment frames. ZINCALUME® Plus. A-working B-cylinder C-two-stage D-constant and more. 032 Aluminum, . Exterior Finish: Polyester Siliconized Polyester 70% PVDF Standard Gloss (USDA White) Plastisol Stainless. 4 x 4 Ft. GA= Gauge of Steel. 70%: Water Flow RateIf you can’t find the mesh you’re looking for here — we weave wire cloth, so many other specs can be woven per request! – or want the weight of wire screen woven from another metal, please try our wire cloth calculators. 26 24 Ga. For over 50 years, finishes based on Sherwin-Williams’ Fluropon’s® 70% PVDF resin have helped protect commercial, industrial, and residential buildings around the world. Pearledize 50 & 70, 70% PVDF, clear and color anodize. 653 Grade A structural quality steel sheets, or ASTM A792 Galvalume commercial weight. Carbon steel (33 ºC e 2. Consult your AEP Span representative for more information. 3% by 1995, along with 70% of freight traffic and 66% of passenger traffic. In a 70%. Antique Patina (24) Char Brown (29) Thunder Grey (34) Anchor Grey (37) Ash Grey (33) Almond (36) PREMIUM FINISH 70% PVDF resin based coatings, with premium pigmentation to obtain metallic or deep color for desired aesthetics. Containing 70% polyvinylidene fluoride (PVDF) with Kynar 500® resins— the industry’s gold standard — and a proprietary acrylic from Sherwin-Williams®, metal panel roofing and. Sizes: Rigid Wall II panels have an 8”, 12”, or 16” wide Exterior Gauge: 26 24 22. 0. With fluorine resin as the main film-forming material, PVDF is a perfect protective coating for metal building panels,. FLUROPON® 70% PVDF COATINGS Fluropon® is a two-coat system that delivers outstanding durability and color retention. Select Size; 1 x 4 Ft. Fluropon coatings are 70% PVDF liquid metal coating systems for metal building products that meet or exceed AAMA 2065 standards. Interior Gauge: 26 24 22. Metallic Coated Steel. 22 Gauge Mild Steel Sheet Metal Plate. Gauge is defined differently for ferrous (iron-based) and. Developed in the 1960s, Kynar was initially produced by a single manufacturer for use on historic and. Finishes include Silicon Modified Polyester (SMP), 70% PVDF (Polyvinylidene fluoride), Kynar 500, Hylar 5000, and Fluropon. 4. 5000 - Premium 70% Fluoropolymer (PVDF) Paint system PREMIUM COLOR. , Ltd. Valspar’s 70% PVDF coatings result in both an excellent appearance and outstanding protection. DURA TECH™ mx. 032, 0. 19. PVDF coating systems are a high-performance formula that is used to coat metal architecture and metal building components. Get inspired with our Fluropon 70% PVDF color card that. 1. 0299" Thk) CS. 54: Mission Red: 8. Therefore, COOLR® is a family of sustainable, energy efficient roofing products comprised of either 70% Kynar. This Chemical Compatibility Chart is a shorthand tool for describing the suitability of miniature fluidic and pneumatic component materials for use in contact with various chemicals. 26, 24, 22. . This channel is co. 036) - 1/4 holes. . MEMBRANE RESOURCES. 80%, Choledocholithiasis (calculus of the bile duct) with acute and chronic cholangitis. Gauge: 26, 24, & 22. At low temperatures, hydrogen is a solid with a density of 70. Harga (Pengambilan Di Gudang) SEVEN ACP PVDF 4. 1000+ Listings Found. PVDF Resin produced. Fluoropolymer coatings contain 70% polyvinylidene difluoride (PVDF) resins. Special Ultra Pure White E 391B8987 C 431B2176 Special Bone White E 391X035 C 431A781 Sassafras Tea E 391B8908 C 431B1685 Sierra White E 391F156 C 431X491 Sandstone E 393X321 C 433C1730 Regal White E. , Al-Kawaz A. Standard coating thickness on the exterior is 1 mil including 0. Only 4 left in stock - order soon. If required chemical is not listed contact Totton Pumps sales office for further advice. Get inspired with our Fluropon 70% PVDF color card that. Excellent scratch and mar resistance. contact ATAS. Lead, cast iron and carbon steel all depend for their corrosion resistance. Final color selection should be made from actual color chips. 24 Gauge Rogers Steel currently stocks 24 gauge Galvalume® for painting for metal roofing, siding, and canopy applications. Pre-Painted 70% PVDF w/ Kynar 500. 25 . It is a trade name for PVDF (polyvinylidene fluoride) resin. 83 SRI: 51 E: 0. Custom colors and finishes available. 0194max. 45 µm pore size, hydrophilic PVDF, 47 mm membrane Less<< Durapore® Membrane Filter, 0. 3 mil total. 2 (aluminum) *Subject to minimum. Corrugated Sheet Steel Weight. Torr (mm Hg) negative gauge. 70% PVDF – Standard or Low Gloss Interior Gauge. 24 Gauge Metal Coil 29 Gauge Metal Coils Aluzinc Steel Coil. . DURA TECH™ mx. ACRYLIC Acrylic paint systems are a good utilitarian option. The following images provide some typical Pipe flange bolt torque charts. 1 m/s de flow) 93. 5% gels (0. Custom Metal Options, 22 gauge, Grade D steel, Pre-painted Aluminum; Available Colors. It has a high degree of purity, robust mechanical properties, electrochemical stability, and broad chemical resistance at high temperatures. sales1@zgmcsteel. Dengan panel terbaik tahan api serta dilapisi 2 lembar alumunium FEVE (Fluoroeyhyele Vinyl Ether) dan X-TRA Durable PVDF (Polyvinyl Difluoride) serta pada bagian belakang dilapisi Polyester. For exterior weather sheeting we offer two options: Colorcoat HPS200 Ultra on Galvalloy coated Tata steel from England, or American steel, coated in AZ-50 Galvalum or G-90 Galvanized and painted with Fluropon 70% PVDF from Sherwin-Williams. 032 or . Protective coatings made using Solef. Secondary containment is required. Custom Bilt's metal panels come in a variety of colors and finishes. Dark Green* PVDF Prepainted Steel Color. Metal Panels, Inc. 040, . Meets. A complete line of trims available in matching colors, gauge, and finish or as specified *Subject to minimum quantities and extended lead time Inquire for material and panel coverage. SRI: 26 • LRV: 7. Dayton, OH. 30 mil liquid primer coat or 1. Galvalume Steel Coil & Sheet MetalPre-Painted and Acrylic-Coated Aluminum-Zinc Coated SteelAZ50/AZ55. • 24 and 22 ga steel • . 271ms|5|1. • C = Fair -- Moderate Effect, not recommended for continuous use. 040 and . 050 aluminum; 24, 22 gauge metallic coated steel; and 24 gauge 55% Al-Zn alloy coated steel with acrylic coating. Additional cost will apply to all Fluropon 70% PVDF (containing Kynar 500®) coatings. 24 Gauge Panels (PVDF) $2. PVdF-HFP (88:12) (Kynar 2801, Alf Chem, Japan), poly (vinyl chloride) (Aldrich, USA) were used as received. Galvanic corrosion: When two dissimilar metals such as aluminum balcony railing come in contact with stainless steel fasteners in the presence of an electrolyte (ponding saline water or condensate) an electric current is induced. 1 FILTRATION Selecting the Best Filter for Your Application Choosing a filter does not have to be complicated – Corning has simplified the process. These coatings are also called fluorocarbon, fluoropolymer, and trade names of Kynar 500™. Comprising approximately 70% polyvinylidene fluoride resins, PVDF coating is a fluoropolymer renowned for its exceptional resistance to fading and air pollution. 00 . Standing Seam Systems (24) Case Study (22) Exposed Fastener Panels (18) Commercial (14). 1, & 3. Plate. net, Uplay and Indie games up to 70% off! Digital games, Instant delivery 24/7!The real risk-free rate (r*) is 2. copper may be specified, 24 ga. T-Butylamine Aqueous Solution or Solid 70 20 1-Butylene 285 140 Butylphenol 225 110 Butylaldehyde 150 65 Butyric Acid 225 110Scarborough. Paint System: Dura Tech TM Rawhide (SMP) Gauge: 26, 24 & 22. com. 0 mil total dry film thickness (. The system consists of Fluropon® top coat applied over a polyester primer. PVDF is a specialty plastic used in applications requiring the highest purity, as well as resistance to solvents, acids and hydrocarbons. 5. 12 Ga. Standing Seam Systems (24) Case Study (22) Exposed Fastener Panels (18) Commercial (14). TECHNICAL DATA24 gauge Flurpon® 70% PVDF, 26 gauge painted Synergy™ 70% PVDF and Bare Galvalume® and G90. Duranarcoatings are superior because they are manufactured. 7018266) (options B, L and M). 5-3. 4401, 316) – This grade offers a significant advantage over 304 at low concentrations, up to 22% at room temperature only gradually falling with temperature up to 40 deg. While any paint manufacturer can make a 70% PVDF coating, the quality of the remaining 30% is very important and relies on technical expertise. also known as colour coated steel or color steel) in coil or sheet form. This coating is applied during the steel production process prior to the application of paint. 040", . 70% PVDF – Standard Gloss; Plastisol; Stainless; Product Options. Coverage: 32" or. Each coating is a fluoropolymer alloy, containing a 70% polyvinylidene difluoride (PVDF) resin, that meets or exceeds the rigorous AAMA 2605 performance. 2 mm at the hub to 0. 50 TPS, Injection General Purpose: 0. 25 gauge steel and interior skin shall be 26 gauge steel with embossed. 5 cm 2 /Vs after 500 cycles under 70% strain and recovers to 18 cm 2 /Vs after 1500 cycles of stretching and releasing under 70% strain (Fig. 15 0. 24 gauge steel. 70% off. คุณภาพสูง China Factory Price AISI ASTM JIS rolled steel sheet galvanized iron steel sheet/plate/ hot dip galvanized steel จากประเทศจีน, ชั้นนำของจีน แผ่นเพลทสังกะสี สินค้า, ด้วยการควบคุมคุณภาพ. (1. The Houzer STC-2200SR-1 Eston Series 18 Gauge Undermount 70/30 Double Bowl Kitchen Sink features spacious main bowl with convenient prep bowl on the right. for stock decorative panel sizes 24" x 48" and 24" x 60" and custom cut decorative panels (excludes samples). 5 % (H2SO4) 98 % (H2SO4) 1. Size(s):KYNAR (PVDF) Chemical Compatibility & Chemical Resistance Chart Explanation of Footnotes 1. Custom Bilt's metal panels come in a variety of colors and finishes. There are more than two dozen color choices alongside elegant bare metals. 0 mil Duranar powder topcoat, 3. Excellent burn characteristics / flame and smoke properties. Pre-Painted 70% PVDF w/ Kynar 500. for pricing and availability. 1 (Subject to upcharge) REPRESENTATION OF COLORS MAY VARY DUE TO PRINTING LIMITATIONS. 6 Product: PPG Duranar Powder Coating for normal and severe environments Dry Film Thickness, ASTM D 7091: 0. 5. 7 – 7. The PVDF component, or Polyvinalidene. Substrate: ZINCALUME® or TruZinc. 26 24 Ga. steel & . SIGNATURE® 300 StanDaRD CoLoRS 24. Custom slit coils and cut-to-length pieces are available upon request. E. Nitric Acid Resistant Materials Charts. Finishes include Silicon Modified Polyester (SMP), 70% PVDF (Polyvinylidene fluoride), Kynar 500, Hylar 5000, and Fluropon. It has a high purity with service temperatures up to 150°C. 75% d. The high and low molecular weight proteins are efficiently transferred to nitrocellulose membrane with the use of normal transfer buffer that was heated to 70–75 °C. Sale. *Special material. steel and aluminum. 018 through . Gauge: lb/SF: 22ga 1. Roller-coated fluorocarbon coatings are used for the coating of coiled steel and aluminum coils. Serving Oklahoma, Kansas and the surrounding states. 1 (steel) FL 30777. 040 GAUGE: 0. Colonial Red* PVDF Prepainted Steel Color. ® 70% PVDF COATINGS FROM SHERWIN-WILLIAMS Field-proven exterior metal finishes that provide lasting durability for monumental structures. They are well suited for demanding manufacturing processes. Choose from solid and metallic colors or add organic. 8% of South Korea's population, a number that grew to 73. 24-gauge metal has a minimum of approximately 0. The electrospinning process was initiated by loading the above mixture solution into 5 mL plastic syringe with 25-gauge stainless steel needle. 0230 min) weather sheets and 26 gauge (. The panel is 36” wide with 1-1/4” high ribs. Pre-Painted SMP. Discover steel building prices posted online for those ready to buy at wholesale pricing for the public. REFERENCEPAGES 1-800-833-7958 fax303-322-7242 sales@geotechenv. 040” Coil Flat Coil Flat Coil Flat Coil Flat AGED COPPER 4 0. 00. S. In brief, an electrospinning solution consisting of 20 % PVDF-TrFE (70/30) (PolyK Technologies, State College, PA) and solvent of N,N-dimethylformamide (DMF) and. 24 Ga (. They come in a wide range of colours with warranties against colour fading, chalking, peeling. With this long-lasting, durable, and sustainable metal panel, you’ll find it also comes in several energy-efficient colors and paint systems. Shop our selection of sheet metal, brass & aluminum rods for all your renovation needs at the Home Depot Canada. 05 0. ZINCALUME® Plus* Cool REGAL WHITE Cool PARCHMENT VINTAGE®1 SRI: 64 • LRV: 67 • GA: 24, 22, & 20 SRI: 88 • LRV: 75 • GA: 24 & 22 SRI: 58 • LRV: 40 •. 3 Product: PPG Duranar XL, Duranar GR PVDF is a resin made up of about 70% polyvinylidene thermoplastic fluoropolymer and 30% acrylic. Lc | 31. 85% c. 7 ≧47 53 4. The top coat paint film is PVDF (polyvinylidene fluoride), two-coat, roll-coated system containing 70% Kynar 500® or Hylar 5000® resin. Quickview. Fluoropolymer (70% PVDF + 30% Acrylic) Application. paint system shall contain 70% PVDF (Hylar 5000. Property Test Method 70% PVDF Liquid Coating 100% FEVE Powder Coating Textures N/A No Yes Gloss Range (at 60°) ASTM D523 20-35 20-65 Color Range 1 N/A Wide range of solids & metallics Wide range of solids & metallics Smoothness (PCI Scale) 2 PCI Tech Brief #20 6-8 6-8 Pretreatment, typ. DURA TECH™ mx. 50 TPS, Water Resistant 0. 0276" Thk) GV 22 Ga (. 65 × 10 −4 S cm −1 at 40 °C) and a wide voltage stability window (4. Powder Fluoropolymer Aluminum Extrusion Coatings, AAMA 2605 Minimum 70% PVDF resin, by weight, in color coat 2. 8 mil top. Kynar 500 ® is a fluoropolymer (polyvinylidene fluoride or PVDF). Processes of PVDF Coated Aluminium Sheets. 2. Minimum Slope: 1:12. 1 mesh – 3/4 mesh – 5/8 mesh – 2 mesh - 2 1/4 mesh – 2 1/2 mesh - 2 3/4 mesh -. (2. 70 SAN, 20% Glass Fiber-reinforced 0. The degree of crystallinity of PVDF depends on the crystallization conditions and can reach 50–70%. More>> 0. 75 . MATTE FINISH Designed to simulate natural metal hues in a high-performance 70% PVDF paint system. 1. Aluminum foil was used to collect the membrane. 0 m/s de flow) Austenitic stainless steel (30 ºC e 2. The simple answer is no. 060” min. Fluropon. 0 ≧60 71 3. PVDF Standard Colors; Panel Coverage: 12″ or 16″ Tensile Strength: 50,000 psi min (for UL) Substrate Thickness. The Company distributes steel products and conducts its distribution business in three principal business segments: metals service centres; energy products and steel distributors. 26 & 24 Ga. Metal Almirahs - To Keep Your Stuff Organized. Product Info. 90. 85 53 ALMOND 4 0. Step 3: Select the correct membrane area to. Thank you for your continued support and business in helping us celebrate Wieland-Wrisco’s 100th Anniversary in 2016! Fluropon is a premium paint-based protective metal coating offering superior defense against fading, weathering & energy loss for metal roofing and wall panels. Our 29 ga. 2. 94 mV and 27. (1. Coated Metals Group Ultra-Clad PVDF Coated Galvalume® Steel Architectural Sheet & Coil is for general sheet metal use in building applications and can be utilized for fascia panels. , Ltd. (22 gauge; Nordson EFD, cat. For exterior weather sheeting we offer two options: Colorcoat HPS200 Ultra on Galvalloy coated Tata steel from England, or American steel, coated in AZ-50 Galvalum or G-90. There are more than two dozen color choices alongside elegant bare metals.