{"id":3653,"date":"2024-12-02T05:45:23","date_gmt":"2024-12-02T05:45:23","guid":{"rendered":"https:\/\/ppboxy.com\/?post_type=product&p=3653"},"modified":"2026-06-15T03:40:03","modified_gmt":"2026-06-15T03:40:03","slug":"corrugated-polypropylene-sheet","status":"publish","type":"product","link":"https:\/\/ppboxy.com\/es\/product\/corrugated-polypropylene-sheet\/","title":{"rendered":"Corrugated Polypropylene Sheet"},"content":{"rendered":"

What Is Corrugated Polypropylene Sheet? \u2014 Structure, Names & How It’s Made<\/h2>\n

Corrugated polypropylene sheet is a rigid, lightweight plastic panel made from polypropylene (PP) resin. Its defining feature is the twin-wall structure: two flat PP skins connected by a series of parallel hollow channels \u2014 called flutes or ribs \u2014 running in one direction through the panel’s core. This geometry is what separates corrugated polypropylene from solid plastic sheet: the hollow channels act as structural beams, giving the board stiffness far beyond what the raw material mass would suggest, at roughly one-fifth the weight of an equivalent solid PP panel.<\/p>\n

The material is manufactured by a co-extrusion process. Molten PP resin is fed through a flat-sheet die that produces both skins and the fluted core in a single, continuous pass. The flute profile \u2014 spacing, height, wall thickness \u2014 is set during extrusion and cannot be changed afterward. This is why thickness and density together define the mechanical properties of any given sheet: a 4mm sheet at 0.6 kg\/m\u00b2 has different load capacity than a 4mm sheet at 0.8 kg\/m\u00b2, even though both measure 4mm on a ruler.<\/p>\n

How the industry names this material varies significantly by market:<\/h3>\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Trade Name<\/th>\nRegion<\/th>\nOwned By<\/th>\n<\/tr>\n<\/thead>\n
Coroplast<\/td>\nUSA, Canada<\/td>\nCoroplast Inc.<\/td>\n<\/tr>\n
Correx<\/td>\nUK, Ireland<\/td>\nAriel Plastics<\/td>\n<\/tr>\n
Corflute<\/td>\nAustralia, NZ<\/td>\nGeneric term<\/td>\n<\/tr>\n
Corriboard<\/td>\nUK, Ireland<\/td>\nGeneric term<\/td>\n<\/tr>\n
Cartonplast<\/td>\nGermany, Europe<\/td>\nGeneric term<\/td>\n<\/tr>\n
Twinplast<\/td>\nGlobal<\/td>\nSeveral manufacturers<\/td>\n<\/tr>\n
Corrugated polypropylene sheet<\/td>\nGlobal<\/td>\nGeneric term<\/td>\n<\/tr>\n
Fluted polypropylene sheet<\/td>\nGlobal<\/td>\nGeneric term<\/td>\n<\/tr>\n
Placa hueca de PP<\/td>\nGlobal (PPBOXY standard term)<\/td>\nGeneric term<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

All of these names refer to the same material: extruded twin-wall polypropylene sheet. The differences are commercial branding, not product specifications. When you specify a board by technical parameters \u2014 thickness, density, flute geometry, UV grade, flame rating \u2014 the trade name becomes irrelevant.<\/p>\n

PPBOXY manufactures corrugated polypropylene sheet at our Shandong production facility under ISO 9001 quality management. All sheet grades comply with REACH and RoHS regulations as standard.<\/p>\n

\n

Corrugated Polypropylene Sheet \u2014 Standard Specifications<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Especificaciones<\/th>\nStandard Value<\/th>\nCustom Range<\/th>\n<\/tr>\n<\/thead>\n
Material<\/td>\nPolypropylene (PP) homopolymer or copolymer<\/td>\nVirgin or recycled PP; food-grade PP available<\/td>\n<\/tr>\n
Estructura<\/td>\nTwin-wall fluted (corrugated) profile<\/td>\nFlute spacing 4\u20136 mm; wall thickness 0.4\u20130.7 mm<\/td>\n<\/tr>\n
Standard sheet size<\/td>\n1,220 \u00d7 2,440 mm (4 \u00d7 8 ft)<\/td>\nUp to 2,100 \u00d7 6,000 mm<\/td>\n<\/tr>\n
Thickness options<\/td>\n2 \/ 3 \/ 4 \/ 5 \/ 6 \/ 8 \/ 10 \/ 12 mm<\/td>\nCustom thickness available<\/td>\n<\/tr>\n
Sheet weight \u2014 4 mm<\/td>\n~1.78 kg\/sheet (0.6 kg\/m\u00b2)<\/td>\nVaries with density grade<\/td>\n<\/tr>\n
Sheet weight \u2014 5 mm<\/td>\n~2.22 kg\/sheet<\/td>\n\u2014<\/td>\n<\/tr>\n
Color options<\/td>\nWhite, black, blue, yellow, red, grey, green, clear<\/td>\nCustom Pantone \u2014 500 sheet MOQ<\/td>\n<\/tr>\n
Surface finish<\/td>\nMatt (standard), gloss (optional)<\/td>\nAnti-slip, anti-static, printable corona-treated<\/td>\n<\/tr>\n
Corona treatment<\/td>\n\u2265 38 dyne (standard for signage grade)<\/td>\nRequired for ink adhesion<\/td>\n<\/tr>\n
Tensile strength<\/td>\n\u2265 18 MPa (MD) \/ \u2265 16 MPa (TD)<\/td>\n\u2014<\/td>\n<\/tr>\n
Flexural strength<\/td>\n\u2265 22 MPa<\/td>\n\u2014<\/td>\n<\/tr>\n
Impact strength<\/td>\n\u2265 10 kJ\/m\u00b2 (Izod notched)<\/td>\n\u2014<\/td>\n<\/tr>\n
Water absorption<\/td>\n< 0,01%<\/td>\n\u2014<\/td>\n<\/tr>\n
Operating temperature<\/td>\n-20\u00b0C to +80\u00b0C continuous<\/td>\n-40\u00b0C to +100\u00b0C short-term<\/td>\n<\/tr>\n
UV resistance \u2014 standard<\/td>\n2\u20133 years outdoor (HB stabiliser)<\/td>\n\u2014<\/td>\n<\/tr>\n
UV resistance \u2014 extended<\/td>\n5+ years outdoor<\/td>\n+15\u201325% price premium<\/td>\n<\/tr>\n
Flame rating<\/td>\nHB standard<\/td>\nUL 94 V-0 available (FR grade)<\/td>\n<\/tr>\n
Certifications<\/td>\nISO 9001, REACH, RoHS<\/td>\nFDA 21 CFR 177.1520 (food-grade grade)<\/td>\n<\/tr>\n
Imprimibilidad<\/td>\nCMYK digital, UV flatbed, screen, flexographic<\/td>\n\u2014<\/td>\n<\/tr>\n
Reciclabilidad<\/td>\n100% (PP #5)<\/td>\n\u2014<\/td>\n<\/tr>\n
Cantidad m\u00ednima de pedido<\/td>\nNo minimum<\/td>\n\u2014<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\n

Five Grades of Corrugated Polypropylene Sheet \u2014 Which One Do You Need?<\/h2>\n

Not all corrugated polypropylene sheet is the same material. The base twin-wall structure is identical across grades, but compound additives and surface treatments change the performance envelope significantly. Five distinct grades cover most commercial applications:<\/p>\n

Grade 1 \u2014 Standard (General Purpose)<\/strong><\/p>\n

Base polypropylene, HB flame rating, standard UV stabiliser (2\u20133 year outdoor life). This is the default specification for yard signs, temporary packaging, agricultural trays, and short-cycle industrial dividers. It is the lowest-cost grade and available in the widest colour range. Choose Standard when the application is either indoors or outdoor for less than 2 years with no regulatory flame or electrical requirements.<\/p>\n

Grade 2 \u2014 UV-Stabilised (Long-Outdoor)<\/strong><\/p>\n

Elevated UV-absorber and HALS (hindered amine light stabiliser) package extends outdoor life to 5+ years without significant yellowing, embrittlement, or surface chalking. Required for permanent outdoor signage, building cladding panels, and agricultural greenhouse sidewalls. Price premium over Standard: 15\u201325%.<\/p>\n

Grade 3 \u2014 Flame Retardant (FR \/ UL 94 V-0)<\/strong><\/p>\n

Halogen-free phosphorus-nitrogen flame retardant system achieves UL 94 V-0 (< 10 s self-extinguishing, no drip ignition). Required for construction partitions in IBC\/NFPA-regulated buildings, transit vehicle interior panels, and trade-show booth walls under fire safety codes. Limiting Oxygen Index (LOI): 28\u201332%. See PP Flame Retardant Board for full FR specifications.<\/p>\n

Grade 4 \u2014 ESD \/ Anti-Static (10\u2079\u201310\u00b9\u00b9 \u03a9\/sq)<\/strong><\/p>\n

Carbon-black or conductive polymer compound brings surface resistivity into the electrostatic dissipative (ESD) range. Required for packaging electronic components, PCB assembly trays, semiconductor wafer carriers, and clean-room dividers. Available with surface resistivity: anti-static (10\u2079\u201310\u00b9\u00b9 \u03a9\/sq) or conductive (10\u2074\u201310\u2076 \u03a9\/sq).<\/p>\n

Grade 5 \u2014 Food-Grade (FDA \/ EU Food Contact)<\/strong><\/p>\n

Virgin PP compound without heavy-metal pigments or recycled content. Complies with FDA 21 CFR 177.1520 (indirect food contact) and EU Regulation EC 1935\/2004. Required for fruit and vegetable layer pads, beverage bottle tier sheets, food packaging dividers, and agriculture produce trays. Request certificate of compliance with order.<\/p>\n

Quick-select table:<\/p>\n\n\n\n\n\n\n\n\n\n\n\n
Application<\/th>\nRecommended Grade<\/th>\n<\/tr>\n<\/thead>\n
Yard signs, construction hoarding<\/td>\nStandard or UV-Stabilised<\/td>\n<\/tr>\n
Permanent outdoor signage, greenhouse walls<\/td>\nUV-Stabilised<\/td>\n<\/tr>\n
Building partitions, transit interiors, trade show walls<\/td>\nFlame Retardant (V-0)<\/td>\n<\/tr>\n
Electronic component packaging, PCB trays<\/td>\nESD \/ Anti-Static<\/td>\n<\/tr>\n
Food packaging dividers, beverage layer pads, produce trays<\/td>\nFood-Grade<\/td>\n<\/tr>\n
Standard reusable shipping dividers<\/td>\nStandard<\/td>\n<\/tr>\n
Cryogenic sample storage (vial dividers)<\/td>\nSee Cryobox Dividers page<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\n

Corrugated Polypropylene Sheet vs Cardboard vs PVC Foam vs Solid PP<\/h2>\n

Corrugated polypropylene sheet competes with four other flat panel materials across signage, packaging, and construction applications. The comparison below uses a 4mm panel at equivalent stiffness for all materials.<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Propiedad<\/th>\nCorrugated PP Sheet<\/th>\nCart\u00f3n ondulado<\/th>\nPVC Foam (Foamex)<\/th>\nSolid PP Sheet<\/th>\n<\/tr>\n<\/thead>\n
Weight (4mm)<\/td>\n~0,6 kg\/m\u00b2<\/td>\n~0,5 kg\/m\u00b2<\/td>\n~3.0 kg\/m\u00b2<\/td>\n~3.6 kg\/m\u00b2<\/td>\n<\/tr>\n
Impermeable<\/td>\nYes \u2014 < 0.01% absorption<\/td>\nNo \u2014 collapses when wet<\/td>\nYes<\/td>\nYes<\/td>\n<\/tr>\n
Outdoor life<\/td>\nDe 2 a 5+ a\u00f1os<\/td>\n1\u20132 weeks (outdoor)<\/td>\n5\u201310 a\u00f1os<\/td>\nM\u00e1s de 10 a\u00f1os<\/td>\n<\/tr>\n
UV resistance<\/td>\nGood (stabilised grade: excellent)<\/td>\nPoor \u2014 yellows in days<\/td>\nGood<\/td>\nGood<\/td>\n<\/tr>\n
Impact resistance<\/td>\nHigh \u2014 hollow channels absorb shock<\/td>\nLow \u2014 dents and tears<\/td>\nMedium \u2014 brittle at low temp<\/td>\nExcellent \u2014 solid mass<\/td>\n<\/tr>\n
Imprimibilidad<\/td>\nGood (corona-treated surface)<\/td>\nGood (but bleeds wet)<\/td>\nExcellent (smooth face)<\/td>\nExcelente<\/td>\n<\/tr>\n
Machinability<\/td>\nScore-and-fold, saw, CNC router<\/td>\nScore-and-fold<\/td>\nSaw, router, laser<\/td>\nDrill, mill, machine<\/td>\n<\/tr>\n
Chemical resistance<\/td>\nGood (PP is resistant to most acids\/bases)<\/td>\nPoor \u2014 absorbs solvents<\/td>\nGood<\/td>\nExcelente<\/td>\n<\/tr>\n
Reciclabilidad<\/td>\n100% PP #5<\/td>\nYes (paper)<\/td>\nDifficult (PVC)<\/td>\n100% PP #5<\/td>\n<\/tr>\n
Cost per m\u00b2 (4mm)<\/td>\n$$<\/td>\n$<\/td>\n$$$<\/td>\n$$$$<\/td>\n<\/tr>\n
Cost per use (50 cycles)<\/td>\n$0.02\u20130.05<\/td>\n$0.50\u20131.50 (1 use)<\/td>\n$0.06\u20130.15<\/td>\n$0.04\u20130.10<\/td>\n<\/tr>\n
Best for<\/td>\nSignage, packaging, construction protection, dividers<\/td>\nSingle-use indoor packaging<\/td>\nPermanent indoor signage, shop-fit<\/td>\nCNC-machined parts, permanent fixtures<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Decision guidance:<\/strong><\/p>\n

If the application is outdoor with budget constraints \u2192 corrugated polypropylene sheet beats cardboard on durability and PVC on cost.<\/p>\n

If the application requires permanent outdoor installation (10+ years) \u2192 PVC Foam or aluminium composite panel (ACM) may be more appropriate despite higher upfront cost.<\/p>\n

If the application requires precision machining, threading, or structural load-bearing \u2192 solid PP sheet or engineering plastics are the better choice.<\/p>\n

If the application is single-use indoor packaging at minimum cost \u2192 corrugated cardboard remains the cheapest option.<\/p>\n

Corrugated polypropylene fills the gap: durable enough for outdoor and repeated-use applications, light and cheap enough to replace cardboard at scale, without the weight or cost of solid plastic panels.<\/p>\n

\n

Applications by Industry<\/h2>\n

Signage and Advertising<\/h3>\n

Corrugated polypropylene sheet is the global standard substrate for short- and medium-term outdoor signage. The combination of light weight, corona-treated printable surface, and 2\u20133 year UV resistance makes it the material of choice for real estate yard signs, construction hoarding boards, event directional signage, and retail point-of-purchase displays. Standard application thickness: 3\u20135 mm. For full signage specifications including wind load ratings by thickness, see Placa hueca de PP<\/a>.<\/p>\n

Packaging and Logistics<\/h3>\n

As a reusable, waterproof, and lightweight packaging substrate, corrugated polypropylene sheet reduces per-cycle packaging costs dramatically versus single-use corrugated cardboard. Applications include: folding packaging boxes for electronics and automotive parts, reusable layer pads and tier sheets for palletised loads, divider inserts for glass and ceramic shipments, and protective packaging for fragile items. For specific box formats, see Caja de pl\u00e1stico corrugado de PP<\/a> or Folded Packaging Box. For layer pads and tier sheets, see Plastic Layer Pads<\/a>.<\/p>\n

Construction and Building Protection<\/h3>\n

In construction, corrugated polypropylene sheet is used as a temporary surface protector for floors, stairs, countertops, and wall panels during building fit-out or renovation. The 4\u20136 mm sheet laid flat absorbs foot traffic, tool drops, and paint spills without damaging the finished surface beneath. Flame retardant grades (UL 94 V-0) are required in enclosed areas under fire safety regulations. See PP Flame Retardant Board<\/a> for FR-grade specifications.<\/p>\n

Agriculture<\/h3>\n

Food-grade and standard corrugated polypropylene sheets are used extensively in agricultural packaging: fruit and vegetable layer pads stacked on pallets, corrugated plastic harvest bins, greenhouse sidewall panels, and shade or windbreak boards. The material tolerates washdown with water and mild sanitisers without absorbing moisture or warping. See Agricultural Packaging Board<\/a> for crop-specific packaging formats.<\/p>\n

Electronics and ESD Packaging<\/h3>\n

For semiconductor, PCB, and precision component transport, ESD-grade corrugated polypropylene sheet (surface resistivity 10\u2079\u201310\u00b9\u00b9 \u03a9\/sq) eliminates electrostatic discharge damage during handling and transit. Applications include wafer carrier trays, PCB shipping boxes with ESD foam inserts, and anti-static layer pads for stacked component storage.<\/p>\n

Medical and Laboratory<\/h3>\n

In healthcare and laboratory settings, corrugated polypropylene sheet is used for pharmaceutical packaging dividers, medical device tray inserts, and \u2014 at cryogenic grades \u2014 vial storage dividers for biobanking at -80\u00b0C and -196\u00b0C. See Envases farmac\u00e9uticos<\/a> y Separadores para Cryobox<\/a> for application-specific information.<\/p>\n

\n

Corrugated Polypropylene Sheet vs Other PP Board Types \u2014 Which Page to Visit<\/h2>\n

Corrugated polypropylene sheet is the broadest category term. PPBOXY manufactures multiple variants and application-specific formats derived from the same base material. Use this table to find the most relevant page for your specific requirement.<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
What you need<\/th>\nBest PPBOXY page<\/th>\n<\/tr>\n<\/thead>\n
General-purpose 4\u00d78 twin-wall PP sheet for packaging or industrial use<\/td>\nL\u00e1mina hueca de PP<\/td>\n<\/tr>\n
Signage board \u2014 real estate, advertising, events, construction safety signs<\/td>\nPlaca hueca de PP<\/td>\n<\/tr>\n
3mm corrugated sheet for yard signs<\/td>\n3mm PP Corrugated Sheet<\/td>\n<\/tr>\n
4mm standard thickness sheet<\/td>\n4mm PP Hollow Sheet<\/td>\n<\/tr>\n
5mm sheet for structural or large-format signage<\/td>\n5mm Polypropylene Sheet<\/td>\n<\/tr>\n
Blue colour corrugated sheet for construction protection<\/td>\n5mm Blue PP Corrugated Sheet<\/td>\n<\/tr>\n
High-density \/ high-strength PP board for load-bearing applications<\/td>\nHigh Strength PP Board<\/td>\n<\/tr>\n
Flame retardant corrugated sheet (UL 94 V-0)<\/td>\nPP Flame Retardant Board<\/td>\n<\/tr>\n
Honey comb structure board (maximum compression strength)<\/td>\nPP Honeycomb Board<\/td>\n<\/tr>\n
Printed correx \/ corriboard signs<\/td>\nCorriboard \/ Correx Boards and Signs<\/td>\n<\/tr>\n
Weatherproof printed display sheet for outdoor advertising<\/td>\nL\u00e1minas para pantallas resistentes a la intemperie<\/td>\n<\/tr>\n
Corrugated PP protective sheet for floor\/surface protection<\/td>\nProtective Plastic Corrugated Sheets<\/td>\n<\/tr>\n
Layer pads and tier sheets for palletised loads<\/td>\nPlastic Layer Pads<\/td>\n<\/tr>\n
Reusable folding packaging box<\/td>\nCaja de embalaje plegable<\/td>\n<\/tr>\n
Custom OEM corrugated PP box<\/td>\nCustom Plastic Shipping Containers<\/td>\n<\/tr>\n
Custom PP board material for your own box production<\/td>\nCustom PP Board for Packaging<\/td>\n<\/tr>\n
Cryogenic vial dividers (-80\u00b0C \/ -196\u00b0C)<\/td>\nSeparadores para Cryobox<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

If your application is not covered above, contact PPBOXY to describe your specific load, temperature, regulatory, and size requirements. We manufacture corrugated polypropylene sheet in all five material grades with no minimum order quantity.<\/p>\n

\n

Preguntas frecuentes<\/h2>\n

Q1: What is corrugated polypropylene sheet made of?<\/h4>\n

Corrugated polypropylene sheet is made from polypropylene (PP) resin, a semi-crystalline thermoplastic. The raw material is fed through a co-extrusion die that produces two flat skins and a fluted (corrugated) core simultaneously in a single pass. The result is a twin-wall panel where hollow channels run parallel through the core. The standard grade uses virgin PP homopolymer or copolymer; food-grade versions use virgin PP without heavy-metal pigments; ESD grades use carbon-black compounds; flame-retardant grades use halogen-free phosphorus-nitrogen systems.<\/p>\n

Q2: Is corrugated polypropylene sheet the same as Coroplast, Correx, or Corflute?<\/h4>\n

Yes. Coroplast, Correx, Corflute, Corriboard, Cartonplast, and Twinplast are all commercial trade names or regional terms for the same product: extruded twin-wall corrugated polypropylene sheet. The material specifications \u2014 thickness, density, flute geometry \u2014 are identical across brands. When you order by technical specification rather than brand name, the product is equivalent regardless of which manufacturer supplies it.<\/p>\n

Q3: How is corrugated polypropylene sheet different from corrugated cardboard?<\/h4>\n

The structural principle is similar \u2014 both use a fluted core between two flat skins to achieve rigidity at low weight \u2014 but the materials perform very differently. Corrugated PP is waterproof (< 0.01% water absorption), while cardboard absorbs moisture and collapses when wet. Corrugated PP is reusable for 50\u2013100+ cycles, while cardboard typically lasts 1\u20133 uses. Corrugated PP is chemically resistant; cardboard softens in contact with oils, solvents, and humidity. The upfront cost of corrugated PP is 3\u20135 \u00d7 higher than cardboard, but the per-use cost is 10\u201350 \u00d7 lower for any repeated-use application.<\/p>\n

Q4: What thickness of corrugated polypropylene sheet should I use?<\/h4>\n

Standard application thickness guidelines:<\/p>\n

    \n
  • 2\u20133 mm: lightweight packaging inserts, layer pads, single-use flat dividers<\/li>\n
  • 3\u20134 mm: standard yard signs, trade show display boards, short-cycle packaging boxes<\/li>\n
  • 4\u20136 mm: medium-duty packaging boxes, construction surface protection, signage in moderate wind<\/li>\n
  • 6\u20138 mm: large-format signage, permanent construction hoarding, structural packaging<\/li>\n
  • 8\u201312 mm: load-bearing applications, heavy partitions, high-compression layer pads<\/li>\n<\/ul>\n

    If you are ordering for a specific application, our team can confirm the required thickness based on your load, span, and environmental conditions.<\/p>\n

    Q5: Can corrugated polypropylene sheet be printed on?<\/h4>\n

    Yes. Corrugated polypropylene has a naturally non-polar surface that resists ink adhesion. PPBOXY applies corona treatment (\u2265 38 dyne) to signage-grade sheets during extrusion, which oxidises the surface and allows ink to bond correctly. Supported print methods include UV flatbed digital, CMYK digital, screen printing, and flexographic printing. Packaging-grade sheets (non-corona) can be printed using solvent-based screen inks after light flame or corona pre-treatment.<\/p>\n

    Q6: Is corrugated polypropylene sheet recyclable?<\/h4>\n

    Yes. Corrugated polypropylene sheet is 100% recyclable as PP #5. The single-material construction \u2014 no laminates, no adhesives, no mixed polymer layers \u2014 means it can be ground, melted, and re-extruded without separation steps. In practice, recycling logistics depend on local collection infrastructure. PPBOXY accepts back used PP hollow sheet from customers in volume \u2014 contact us for take-back programme details.<\/p>\n

    Q7: What is the difference between corrugated polypropylene sheet and fluted polypropylene sheet?<\/h4>\n

    They are the same material under two different names. “Corrugated” describes the wavy internal channel profile when viewed in cross-section. “Fluted” describes the same channels from a different angle \u2014 the parallel hollow tubes running lengthwise through the panel. Both terms are used interchangeably in the industry. See also: Polypropylene Fluted Sheet for a dedicated page.<\/p>\n

    Q8: Is corrugated polypropylene sheet food safe?<\/h4>\n

    Standard grades are not certified for direct food contact, as they may contain pigments or UV additives not approved for food contact. PPBOXY’s food-grade corrugated polypropylene sheet uses virgin PP compound compliant with FDA 21 CFR 177.1520 (indirect food contact) and EU Regulation EC 1935\/2004. Food-grade sheets are used for fruit and vegetable layer pads, beverage bottle tier sheets, and produce packaging trays. Request the certificate of compliance at the time of ordering.<\/p>\n

    \"Cross-section
    Corrugated Polypropylene Sheet<\/figcaption><\/figure>","protected":false},"excerpt":{"rendered":"
      \n
    • Material<\/strong>: Polypropylene (PP) \u2014 Virgin or Recycled<\/li>\n
    • Estructura<\/strong>: Twin-wall fluted (corrugated) profile<\/li>\n
    • Tama\u00f1o est\u00e1ndar de hoja<\/strong>: 1,220 \u00d7 2,440 mm (4 \u00d7 8 ft)<\/li>\n
    • Tama\u00f1o de hoja personalizado<\/strong>: Up to 2,100 \u00d7 6,000 mm<\/li>\n
    • Opciones de grosor<\/strong>: 2 \/ 3 \/ 4 \/ 5 \/ 6 \/ 8 \/ 10 \/ 12 mm<\/li>\n
    • Sheet Weight (4mm)<\/strong>: ~1.78 kg\/sheet (0.6 kg\/m\u00b2)<\/li>\n
    • Opciones de color<\/strong>: White, Black, Blue, Yellow, Red, Grey, Green, Clear, Custom Pantone<\/li>\n
    • Cantidad m\u00ednima de pedido<\/strong>: None<\/li>\n<\/ul>\n

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