Overview
This source page is a mechanical bulk-ingest record for a PDF in the research-pulls corpus. It preserves source-level identity, routeable product/analyte scope, and exact extracted numeric lines for later human or fresh-context audit. It does not derive HMTc thresholds, percentiles, or brand-by-brand comparisons.
Key numbers
The worker extracted the full PDF text with layout preservation twice and compared extraction hashes before commit. The following lines are copied from numeric/table-bearing regions of the PDF and retain the source units and wording where legible:
- successfully meeting the WVTR ≤ 0.31 g/m²/24h (38°C Temp, 90% Relative Humidity) and OTR ≤ 0.33 cc/m²/24h (23°C Temp,
- 0% Relative Humidity) requirements for whole milk or infant formula products demonstrating its suitability as a high-barrier
- The amount of metallization as a percentage of total weight also aligns with CEFLEX recycling guidelines of below 5%.
- and IF packaging. The laminate is usually made up of four polymers is shown in Table 1. For brevity, the abbreviations
- for the re-processing of multi-layer films in most of the 5% as per Circular Economy for Flexible Packaging
- polyolefin laminates, all with a minimum of 90% polyolefin
- which a metallization level of less than 5% is recommended.
- WVTR analyzer (PERMATRAN- 3/34G). standardized conditions at 23°C temperature and 50% RH
- guidelines, metallization content below 5% is considered
- MetBOPP-based laminate containing less than 5%
- first structure. Table 3 and Fig. 7 show the experimental
- Table 3 Experimental results of WVTR for aluminum-foil based and metallized BOPP-based laminate structure
- The WVTR range for Alu Foil-based structure is 0.024– 0.047 g/m²/24h. Both structures successfully meet the
- products (29) Table 4 and Fig. 8 show the average value of
- Table 5. Experimental results of OTR for Alu Foil-based and the MetBOPP-based laminate structure
- Alu Foil, while the MetBOPP-based structure, due to EVOH, and distribution (34). Table 4 and Fig. 10 show the average
- metallization in the structure is less than 5%, therefore, the types and properties of biopolymers as sustainable
Methods (brief)
- WVTR was measured for the samples according to ASTM
- 3/34G) was used for testing the samples under the
- results are expressed in g/m²/24h (Fig. 4). Five sample sets
- (S-I, S-II, S-III, S-IV, and S-V), each sample set containing
- five samples i.e. s1, s2, s3, s4, and s5 were tested. For each
- sample, WVTR values were recorded, and the average (Av)
- Acceptance criteria of ≤0.31 g/m²/24h was adopted as the OTR was measured for the selected samples according to
- WVTR, five sample sets (T-I, T-II, T-III, T-IV, T-V), each
- sample set containing five samples, i.e., t1, t2, t3, t4, and t5,
- were tested. For each sample, values were recorded, and the
- laminate for sample sets S-I, S-II, S-III, S-IV, and S-V.
- Sample Set Sample 10µPET/7µAlu Foil/10µPET/62µPE 18µ BOPP/15µ PE/18µ MetBOPP/60µ PE
- WVTR of five samples of each sample set.
- Sample (10µPET/7µAlu Foil/10µPET/62µPE) (18µ BOPP/15µ PE/18µ MetBOPP/60µ PE)
- based and MetBOPP-based laminates for sample sets T-I, T-
- Sample Set Sample 10µPET/7µAlu Foil/10µPET/62µPE 18µ BOPP/15µ PE/18µ MetBOPP/60µ PE
- also has a good moisture and gas barrier. Also, the Alu Foil- value of OTR of five samples of each sample set.
- Sample (10µPET/7µAlu Foil/10µPET/62µPE) (18µ BOPP/15µ PE/18µ MetBOPP/60µ PE)
Implications
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Verification notes
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pdftotext -layoutwas run on the full PDF twice; extracted text hashes matched before the page was written. - Numeric verification: numeric/table-bearing lines were selected mechanically from the verified extraction and preserved without unit conversion or rounding.
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Update history
The five most recent substantive edits to this page, classified major (evidence or structure moved), correction (a published value or statement was wrong and has been fixed), or minor (narrative rewritten without changing the underlying evidence). Each description is derived from what the edit did to this page; the linked commit is the authoritative record, routine regeneration passes are excluded, and the full version history lives in git. When DOI minting comes online (see schema docs), each entry below will also link to a version-pinned DataCite DOI.