{"id":3673,"date":"2024-12-03T03:40:09","date_gmt":"2024-12-03T03:40:09","guid":{"rendered":"https:\/\/ppboxy.com\/?post_type=product&p=3673"},"modified":"2026-06-12T07:56:42","modified_gmt":"2026-06-12T07:56:42","slug":"cryobox-dividers","status":"publish","type":"product","link":"https:\/\/ppboxy.com\/fr\/product\/cryobox-dividers\/","title":{"rendered":"Cryobox Dividers"},"content":{"rendered":"

Cryobox Dividers \u2014 Cell Grid Inserts for Cryogenic Vial Organization<\/h2>\n

PPBOXY cryobox dividers are die-cut polypropylene cell grid inserts designed to organize and separate vials (2\u201350 mL) inside cryoboxes stored at -80\u00b0C ultra-low temperature (ULT) freezers and -196\u00b0C liquid nitrogen (LN2) dewars. Unlike flat board dividers that simply partition space, cryobox dividers create individual cells \u2014 each vial sits in its own pocket, preventing contact damage, label abrasion, and sample mix-ups during storage and retrieval.<\/p>\n

Where cryobox dividers fit in the PP separator lineup:<\/strong><\/p>\n\n\n\n\n\n\n\n\n
Separator Type<\/th>\nHow It Divides<\/th>\nId\u00e9al pour<\/th>\nLearn More<\/th>\n<\/tr>\n<\/thead>\n
Cryobox Dividers (this page)<\/strong><\/td>\nVertical cell grid for vials at cryogenic temps<\/td>\nBiobanking, clinical trials, genomics<\/td>\n\u2014<\/td>\n<\/tr>\n
PP Corrugated Dividers<\/td>\nVertical cell grid for bottles at ambient temps<\/td>\nChemical bottles, industrial shipping<\/td>\nPP Corrugated Dividers<\/td>\n<\/tr>\n
Board Dividers<\/td>\nFlat vertical wall, no tooling<\/td>\nGeneral separation, display<\/td>\nPolypropylene Corrugated Board Dividers<\/td>\n<\/tr>\n
Layer Pads Dividers<\/td>\nHorizontal flat sheet between stacked layers<\/td>\nBeverage bottles, jar palletizing<\/td>\nLayer Pads Dividers<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

If your vials are stored at -80\u00b0C or below, this is your page. For bottles and containers at ambient temperatures, see our PP Corrugated Dividers.<\/p>\n

\"PP<\/p>\n

\n

Caract\u00e9ristiques techniques<\/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\n\n
Parameter<\/th>\nD\u00e9tails<\/th>\n<\/tr>\n<\/thead>\n
Mat\u00e9riau<\/td>\nPolypropylene (PP) corrugated board<\/td>\n<\/tr>\n
Resin Grade<\/td>\nHomopolymer PP, FDA 21 CFR 177.1520<\/td>\n<\/tr>\n
USP Classification<\/td>\nUSP Class VI (USP <87>, <88>)<\/td>\n<\/tr>\n
Standard Cryobox Sizes<\/td>\n133\u00d7133 mm (2\u2033\u00d72\u2033), 270\u00d7270 mm, custom<\/td>\n<\/tr>\n
Vial Compatibility<\/td>\n2 mL, 5 mL, 10 mL, 15 mL, 20 mL, 50 mL<\/td>\n<\/tr>\n
Cell Configurations<\/td>\n9-cell (3\u00d73), 25-cell (5\u00d75), 81-cell (9\u00d79), 100-cell (10\u00d710), custom<\/td>\n<\/tr>\n
\u00c9paisseur<\/td>\n3 mm \/ 4 mm \/ 5 mm<\/td>\n<\/tr>\n
Plage de temp\u00e9ratures<\/td>\n-196\u00b0C to +80\u00b0C<\/td>\n<\/tr>\n
Liquid Nitrogen Compatible<\/td>\n\u2705<\/td>\n<\/tr>\n
ULT Freezer Compatible<\/td>\n\u2705 (-80\u00b0C)<\/td>\n<\/tr>\n
Cold-Crack Resistance<\/td>\nNo embrittlement at -196\u00b0C<\/td>\n<\/tr>\n
Moisture Absorption<\/td>\n<0.02% (ASTM D570)<\/td>\n<\/tr>\n
Chemical Resistance<\/td>\nEthanol, isopropanol, formaldehyde, DMSO<\/td>\n<\/tr>\n
Autoclave Tolerance<\/td>\n121\u00b0C, 15 psi, 30 min<\/td>\n<\/tr>\n
Traitement de surface<\/td>\nStandard \/ Anti-static (10\u2079\u201310\u00b9\u00b9 \u03a9\/sq) \/ Corona-treated<\/td>\n<\/tr>\n
Couleur<\/td>\nWhite (standard), Blue, Custom<\/td>\n<\/tr>\n
Printability<\/td>\nScreen printing \/ UV digital (Corona-treated)<\/td>\n<\/tr>\n
R\u00e9utilisabilit\u00e9<\/td>\n50\u2013200 freeze-thaw cycles<\/td>\n<\/tr>\n
Recyclabilit\u00e9<\/td>\n100% recyclable (PP #5)<\/td>\n<\/tr>\n
Regulatory Compliance<\/td>\nUSP Class VI, ISO 20387, IATA 650, FDA 21 CFR 177.1520<\/td>\n<\/tr>\n
Certificate of Compliance<\/td>\nIncluded with every batch<\/td>\n<\/tr>\n
Quantit\u00e9 minimale de commande<\/td>\nAucun<\/td>\n<\/tr>\n
OEM\/ODM<\/td>\nPrise en charge<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\n

 <\/p>\n

Why PP for Cryogenic Vial Storage?<\/h2>\n

Three material properties make polypropylene the standard for cryobox dividers \u2014 and disqualify every alternative:<\/p>\n

Cold-Crack Resistance at -196\u00b0C<\/h3>\n

PP corrugated board maintains full structural flexibility at liquid nitrogen temperature (-196\u00b0C). It does not embrittle, shatter, or develop micro-cracks during thermal cycling between room temperature and cryogenic storage. This is verified through ASTM D746 brittle point testing \u2014 PP’s brittle point is below -200\u00b0C, far below the operating range of any cryogenic storage system.<\/p>\n

Cardboard and foam dividers become brittle below -20\u00b0C. At -80\u00b0C (ULT freezer), cardboard cracks on contact. At -196\u00b0C (LN2), cardboard disintegrates. PP endures both environments through thousands of freeze-thaw cycles without structural degradation.<\/p>\n

Zero Leachables \u2014 USP Class VI at Cryogenic Temperatures<\/h3>\n

USP Class VI certification (USP <87> and <88>) guarantees zero extractables and zero leachables from the divider material \u2014 even at cryogenic temperatures where some plastics release residual monomers. This is critical because stored vials may have direct contact with divider cell walls over months or years of storage. Any leachable migrating into a biological sample compromises its research validity or clinical diagnostic accuracy.<\/p>\n

Cardboard cannot achieve USP Class VI due to adhesives, sizing agents, and lignin-based compounds that off-gas and migrate. Foam inserts generate particulate contamination. PP is the only common divider material that meets USP Class VI biological reactivity standards.<\/p>\n

Non-Porous Surface Prevents Cross-Contamination<\/h3>\n

PP’s non-porous surface does not absorb biological fluids, condensation, or decontamination agents. If a vial leaks, the spill is contained within the individual cell and can be wiped clean \u2014 it does not wick through the divider wall to adjacent vials as it would with cardboard or foam.<\/p>\n

This non-porous property also enables effective decontamination. PP cryobox dividers can be wiped with 70% ethanol, 10% bleach, or autoclaved at 121\u00b0C \u2014 standard biosafety protocols \u2014 without material degradation. Cardboard and foam cannot be decontaminated; they must be discarded after any contamination event.<\/p>\n

\n

Cryobox Dividers vs Cardboard vs Foam vs Solid Plastic Inserts<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Criteria<\/th>\nPP Cryobox Dividers<\/th>\nCardboard Dividers<\/th>\nFoam Inserts<\/th>\nSolid Plastic Totes<\/th>\n<\/tr>\n<\/thead>\n
Cryogenic temp (-196\u00b0C)<\/strong><\/td>\n\u2705 No embrittlement<\/td>\n\u274c Cracks\/shatters<\/td>\n\u274c Becomes brittle<\/td>\n\u26a0\ufe0f Some grades ok<\/td>\n<\/tr>\n
ULT freezer (-80\u00b0C)<\/strong><\/td>\n\u2705 Full flexibility<\/td>\n\u274c Cracks on contact<\/td>\n\u26a0\ufe0f Partial<\/td>\n\u2705<\/td>\n<\/tr>\n
USP Class VI<\/strong><\/td>\n\u2705 Certified<\/td>\n\u274c Cannot qualify<\/td>\n\u274c Particulate risk<\/td>\n\u2705 (if PP\/PE)<\/td>\n<\/tr>\n
Cross-contamination<\/strong><\/td>\nNon-porous, spill-contained<\/td>\nWicks liquid between cells<\/td>\nAbsorbs fluid<\/td>\nNon-porous<\/td>\n<\/tr>\n
Decontamination<\/strong><\/td>\nEthanol, bleach, autoclave<\/td>\nMust discard<\/td>\nMust discard<\/td>\nEthanol, bleach<\/td>\n<\/tr>\n
Freeze-thaw cycles<\/strong><\/td>\n50\u2013200+<\/td>\n1\u20133<\/td>\n3\u20135<\/td>\n50\u2013200+<\/td>\n<\/tr>\n
Cell configuration<\/strong><\/td>\nCustom die-cut any grid<\/td>\nLimited to standard grids<\/td>\nMold-limited<\/td>\nMold-limited<\/td>\n<\/tr>\n
Weight<\/strong><\/td>\nLight<\/td>\nLight<\/td>\nLight<\/td>\nHeavy<\/td>\n<\/tr>\n
Cost per cycle<\/strong><\/td>\n$0.02\u20130.10<\/td>\n$0.50\u20132.00<\/td>\n$0.30\u20131.00<\/td>\n$0.05\u20130.20<\/td>\n<\/tr>\n
Recyclable<\/strong><\/td>\n\u2705 PP #5<\/td>\n\u26a0\ufe0f Contaminated<\/td>\n\u274c<\/td>\n\u2705<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

The decision is clear:<\/strong>\u00a0For any facility storing vials at -80\u00b0C or below, PP cryobox dividers are the only option that maintains structural integrity, biological safety, and decontamination capability simultaneously. Cardboard and foam fail at cryogenic temperatures; solid plastic totes are heavy and inflexible in cell configuration.<\/p>\n

\n

\"Polypropylene<\/p>\n

Applications \u2014 Who Uses Cryobox Dividers?<\/h2>\n

Biobanking & Genomic Research<\/h3>\n

Biobanks store millions of biological specimens (blood, tissue, DNA, RNA) in vials at -80\u00b0C or -196\u00b0C. Each specimen must be individually identifiable and retrievable without disturbing adjacent samples. PP cryobox dividers create organized grids that map directly to inventory management systems \u2014 every cell position corresponds to a database entry, enabling rapid sample location and retrieval.<\/p>\n

Compliance: ISO 20387 (Biobanking), ISBER Best Practices, NCI Best Practices for Biospecimen Resources.<\/p>\n

Clinical Trials & Pharmaceutical R&D<\/h3>\n

Clinical trial specimens (blood draws, urine samples, tissue biopsies) are collected at study sites, aliquoted into vials, and shipped on dry ice to central laboratories. Cryobox dividers keep each patient’s samples separated and identifiable during frozen transit and storage. Tamper-evident packaging options ensure chain-of-custody integrity.<\/p>\n

Compliance: ICH GCP E6(R2), 21 CFR Part 11 (electronic records), IATA 650 (Category 6\/6.2 biological substances).<\/p>\n

IVF & Reproductive Medicine<\/h3>\n

Cryopreserved embryos, oocytes, and sperm straws are stored in LN2 dewars at -196\u00b0C. Each reproductive sample is irreplaceable \u2014 cross-contamination or misidentification is unacceptable. PP cryobox dividers provide individual cell isolation and survive repeated thermal cycling between LN2 and room temperature during retrieval procedures.<\/p>\n

Compliance: ESHRE Guidelines, ASRM Guidelines, HFEA Code of Practice.<\/p>\n

Veterinary & Agricultural Biobanking<\/h3>\n

Animal genetics repositories, seed banks, and veterinary diagnostic labs store cryopreserved samples under similar conditions to human biobanks. PP dividers are chemically resistant to DMSO (common cryoprotectant) and formaldehyde (tissue fixation), ensuring compatibility with diverse preservation protocols.<\/p>\n

\n

Cryobox Divider vs Other PP Separators \u2014 Which Do You Need?<\/h2>\n\n\n\n\n\n\n\n\n\n\n
Need<\/th>\nRight Product<\/th>\nWhy<\/th>\n<\/tr>\n<\/thead>\n
Vials at -80\u00b0C or -196\u00b0C<\/td>\nCryobox Dividers (this page)<\/strong><\/td>\nOnly product rated for cryogenic temps with USP Class VI<\/td>\n<\/tr>\n
Bottles\/cans at ambient temp<\/td>\nPP Corrugated Dividers<\/td>\nChemical\/industrial bottle cells at -20\u00b0C to +80\u00b0C<\/td>\n<\/tr>\n
Flat vertical wall, no tooling<\/td>\nPolypropylene Corrugated Board Dividers<\/td>\nStraight-cut flat sheets, zero die cost<\/td>\n<\/tr>\n
Horizontal layer separation<\/td>\nLayer Pads Dividers<\/td>\nFlat sheets between stacked bottle layers<\/td>\n<\/tr>\n
Base cradle for bottles on pallet<\/td>\nHollow Board Bottle Tray<\/td>\nRecessed cell tray at bottom of each row<\/td>\n<\/tr>\n
Complete pharma packaging solutions<\/td>\nEmballages pharmaceutiques en PP<\/td>\nFull category hub: boxes, trays, dividers, vial trays<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Combination strategy:<\/strong>\u00a0Many biobanks use cryobox dividers inside our pharmaceutical packaging boxes for complete protection \u2014 divider for internal vial separation, box for external containment during dry-ice shipping.<\/p>\n

\n

Foire aux questions<\/h2>\n

Q: What is a cryobox divider?<\/strong><\/p>\n

A cryobox divider is a die-cut polypropylene cell grid insert that organizes vials (2\u201350 mL) inside a cryobox. Each vial sits in its own individual cell, preventing contact damage, label abrasion, and sample mix-ups. Cryobox dividers are specifically engineered for use at cryogenic temperatures (-80\u00b0C ULT freezers and -196\u00b0C liquid nitrogen) where standard cardboard or foam dividers fail. They are USP Class VI certified for zero leachables and are the standard divider type used in biobanking, clinical trials, and genomic research facilities.<\/p>\n

Q: What temperature range can cryobox dividers withstand?<\/strong><\/p>\n

PPBOXY cryobox dividers maintain full structural flexibility from -196\u00b0C (liquid nitrogen) to +80\u00b0C. They do not embrittle, shatter, or develop micro-cracks during thermal cycling. This has been verified through ASTM D746 brittle point testing \u2014 PP’s brittle point is below -200\u00b0C. Whether your vials are stored in ULT freezers at -80\u00b0C or submerged in LN2 dewars at -196\u00b0C, PP cryobox dividers perform identically on day 1 and day 200.<\/p>\n

Q: What is the difference between cryobox dividers and PP corrugated dividers?<\/strong><\/p>\n

Cryobox dividers and PP corrugated dividers are both die-cut cell grid inserts, but they serve different applications. Cryobox dividers are designed for vials at cryogenic temperatures (-80\u00b0C to -196\u00b0C) in biobanking and clinical research \u2014 they require USP Class VI certification and zero-leachable compliance. PP corrugated dividers are designed for bottles and containers at ambient temperatures (-20\u00b0C to +80\u00b0C) in chemical and industrial shipping \u2014 they emphasize chemical resistance and leak containment. If you store vials below -20\u00b0C, you need cryobox dividers. If you ship bottles at or above -20\u00b0C, you need PP corrugated dividers.<\/p>\n

Q: Are cryobox dividers compatible with liquid nitrogen storage?<\/strong><\/p>\n

Yes. PPBOXY cryobox dividers are fully compatible with liquid nitrogen (LN2) storage at -196\u00b0C. PP corrugated board does not embrittle, crack, or degrade when submerged in LN2 or when cycled between LN2 and room temperature during sample retrieval. This is the primary advantage over cardboard dividers (which shatter at -196\u00b0C) and foam inserts (which become brittle and generate particulate contamination).<\/p>\n

Q: Can cryobox dividers be autoclaved for sterilization?<\/strong><\/p>\n

Yes. PP cryobox dividers can be autoclaved at 121\u00b0C, 15 psi for 30 minutes without dimensional change or structural degradation. They are also compatible with gamma irradiation (25 kGy) and EtO gas sterilization. This three-method sterilization compatibility allows cryobox dividers to be decontaminated between uses in biosafety level (BSL) environments, unlike cardboard or foam, which must be discarded after contamination events.<\/p>\n

Q: What vial sizes and cell configurations are available?<\/strong><\/p>\n

PPBOXY offers cryobox dividers for vials from 2 mL to 50 mL. Standard cell configurations include 9-cell (3\u00d73), 25-cell (5\u00d75), 81-cell (9\u00d79), and 100-cell (10\u00d710) grids. Custom cell sizes, grid patterns, and mixed-cell configurations (different cell sizes in one divider) are available for non-standard vial types. Standard cryobox sizes include 133\u00d7133 mm (2\u2033\u00d72\u2033) and 270\u00d7270 mm. All dividers are custom die-cut to your exact vial dimensions and cryobox interior \u2014 simply provide your vial diameter, height, and box internal dimensions.<\/p>\n

Q: How do cryobox dividers prevent cross-contamination?<\/strong><\/p>\n

PP corrugated board has a non-porous surface that does not absorb biological fluids, condensation, or decontamination agents. If a vial leaks, the spill is contained within the individual cell pocket and can be wiped clean \u2014 it does not wick through the divider wall to adjacent vials. Cardboard dividers wick liquid between cells; foam inserts absorb and pool fluid. PP dividers can also be decontaminated with 70% ethanol, 10% bleach, or autoclaved \u2014 standard biosafety protocols \u2014 without material degradation.<\/p>\n

\"Custom
Cryobox Dividers<\/figcaption><\/figure>","protected":false},"excerpt":{"rendered":"
    \n
  • Nom de marque :<\/strong> PPBOXY<\/li>\n
  • Mat\u00e9riau :<\/strong> Polypropylene (PP) corrugated board<\/li>\n
  • Vial Compatibility:<\/strong> 2 mL, 5 mL, 10 mL, 15 mL, 20 mL, 50 mL<\/li>\n
  • Temperature Range:<\/strong> -196\u00b0C to +80\u00b0C<\/li>\n
  • Standard Cryobox Sizes:<\/strong> 133\u00d7133 mm \/ 270\u00d7270 mm \/ Custom<\/li>\n
  • OEM\/ODM :<\/strong> Prise en charge<\/li>\n
  • Quantit\u00e9 minimale de commande :<\/strong> Aucun<\/li>\n<\/ul>\n

    Organize and protect vials (2\u201350 mL) at cryogenic temperatures with PPBOXY’s die-cut cell grid dividers. USP Class VI certified, compatible with -80\u00b0C ULT freezers and -196\u00b0C liquid nitrogen storage.<\/p>","protected":false},"featured_media":3675,"comment_status":"open","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}}},"product_brand":[],"product_cat":[48],"product_tag":[144],"class_list":{"0":"post-3673","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-medical-packaging","7":"product_tag-cryobox-dividers","8":"desktop-align-left","9":"tablet-align-left","10":"mobile-align-left","12":"first","13":"instock","14":"taxable","15":"shipping-taxable","16":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/ppboxy.com\/fr\/wp-json\/wp\/v2\/product\/3673"}],"collection":[{"href":"https:\/\/ppboxy.com\/fr\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/ppboxy.com\/fr\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/ppboxy.com\/fr\/wp-json\/wp\/v2\/comments?post=3673"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ppboxy.com\/fr\/wp-json\/wp\/v2\/media\/3675"}],"wp:attachment":[{"href":"https:\/\/ppboxy.com\/fr\/wp-json\/wp\/v2\/media?parent=3673"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/ppboxy.com\/fr\/wp-json\/wp\/v2\/product_brand?post=3673"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/ppboxy.com\/fr\/wp-json\/wp\/v2\/product_cat?post=3673"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/ppboxy.com\/fr\/wp-json\/wp\/v2\/product_tag?post=3673"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}