Carthage GroupHomeAboutProcessSustainabilityCertificationsContact
A Carthage stone paper bag on a marble plinth beside SGS test reports, a Tested by SGS seal and a PDF download mark

Certifications

Our stone paper and PP woven composite bag has been tested by SGS, one of the world’s largest inspection and certification bodies. Every report below is summarised on this page and available as a complete PDF.

SGS Test Reports

Three reports, issued August 2026.

All three cover the same article: a finished bag made from stone paper and PP woven composite tube fabric, produced for Carthage GmbH and destined for the German market.

(01)

Food contact safety

Overall migration and specific migration of heavy metals

Tested against Regulation (EC) No 1935/2004, the German LFGB Sections 30 and 31, Regulation (EU) No 10/2011 as amended by (EU) 2025/351, and the relevant BfR recommendation. Both the overall migration and the specific migration of heavy metals passed.

Report no.
SZXPC26004291102
Issued
Issued by
SGS-CSTC Standards Technical Services Co., Ltd., Shenzhen Branch
Open full reportPDF · 5 pp · 2.0 MB

Key results

Pass
Overall migration, 10% ethanol
Not detectedLimit 10 mg/dm², 40 °C for 10 days
Overall migration, 3% acetic acid
Not detectedLimit 10 mg/dm², 40 °C for 10 days
Overall migration, rectified olive oil
Not detectedLimit 10 mg/dm², 40 °C for 10 days
Heavy metals (Pb, Cd, Hg, Cr, As and 15 more)
Not detectedSpecific migration into 3% acetic acid, 40 °C for 10 days

Standards referenced

  • Regulation (EC) No 1935/2004 — materials intended to come into contact with food
  • LFGB (German Food, Articles of Daily Use and Feed Code) Sections 30 and 31
  • Regulation (EU) No 10/2011 and amendment (EU) 2025/351
  • BfR recommendation
(02)

Chemical compliance

REACH SVHC candidate list screening

Screened against the 253 Substances of Very High Concern on the ECHA candidate list published on or before 4 February 2026 under Regulation (EC) No 1907/2006 (REACH), plus one substance under ongoing identification. All results are at or below 0.1% by weight.

Report no.
SZXPC26004291101
Issued
Issued by
SGS-CSTC Standards Technical Services Co., Ltd., Shenzhen Branch
Open full reportPDF · 16 pp · 2.1 MB

Key results

Pass
253 candidate-list SVHC
≤ 0.1% (w/w)
1 potential SVHC
≤ 0.1% (w/w)
Analysis
ICP-OES, UV-VIS, GC-MS, HPLC-DAD/MS, colorimetric
Sample tested
White bag with multicolour printing

Standards referenced

  • Regulation (EC) No 1907/2006 (REACH), Articles 7, 33 and 57
  • 253 SVHC on the ECHA candidate list as of 4 February 2026
  • 1 potential SVHC currently under identification
(03)

Physical performance

Drop, seam, tensile, tear, peel and water resistance testing

A filled bag was dropped ten times from 1.2 m onto a steel plate without rupture, tearing at the seams or leakage. The report also records seam strength, tensile strength, tear strength, lamination peel force and hydrostatic head.

Report no.
SZIN2607002034PL01
Issued
Issued by
SGS-CSTC Standards Technical Services Co., Ltd., ShenZhen Branch
Open full reportPDF · 16 pp · 4.3 MB

Key results

For reference
Free fall
Pass10 drops from 1.2 m onto steel; no rupture, seam damage or leakage
Seam rupture force
650 N edge, 480 N bottom
Tensile force at rupture
780 N warp, 850 N weftElongation 17.5% and 22.0%
Tear strength
120 NBoth directions
Lamination peel force
2.46 N/100 mm average
Water resistance
3,660 mmH₂O averageHydrostatic head, five specimens

Standards referenced

  • ASTM D5276-19 (reapproved 2023) — free fall
  • ISO 13935-2:2026 — seam tensile properties
  • ISO 13934-1:2013 — tensile strength
  • ISO 13937-2:2000 — tear strength
  • ISO 11339:2022 — T-peel
  • ISO 811:2018 — hydrostatic head

The Tested Article

Finished bag made from stone paper and PP woven composite tube fabric.

A composite roll material: a stone paper layer laminated to a PP woven fabric layer. The same specification underpins all three reports.

Total grammage
115 g/m² – 200 g/m²
Tube width
350 mm – 550 mm
Roll length
Customizable
Paper core
3 inches (76 mm)
Manufacturer
Wenzhou Fufang Technology Co., Ltd.
Destination
Germany

Material composition

Stone paper layer

45.0% – 70.0%

Calcium carbonate (CaCO₃) approx. 70–80%, polyethylene (PE) approx. 20–30%

PP woven layer

30.0% – 45.0%

100% virgin polypropylene (PP)

PE lamination layer

5.0% – 10.0%

PE extrusion lamination resin

Technical Documentation

Specification sheet for procurement teams.

Alongside the third-party reports, our own technical data sheet documents grammage, dimensions, core size and the structure diagram of the composite fabric.

Carthage GmbH ·

Technical data sheet

Stone paper and PP woven composite tube fabric

PDF · 4 pp · 0.3 MB

About these reports

The reports were issued by SGS-CSTC Standards Technical Services Co., Ltd., Shenzhen Branch. Results relate only to the sample tested, and the sample information was supplied by Carthage GmbH. The physical performance report is published here for reference; the food contact and REACH reports carry a formal pass conclusion against the regulations listed.

If your procurement or quality team needs a declaration of conformity, a specific test not covered above, or the reports under a formal document request, contact us and we will arrange it.

About SGS

Documentation

Need compliance documentation for your own audit?

We supply material datasheets, test reports and declarations to help procurement and quality teams qualify our packaging.

Request documentsSustainability