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NK-MB-12 • Verified Physical Spec Series 12 Corrugated Mailer Box (212x148x30mm)
Certification
FSC-C158941
Compression
36 ECT
Eco Standard
EU PPWR 2026
Corrugated Shipping & Mailer Boxes • Structure: FEFCO 0427 (Roll End Tuck)

Series 12 Corrugated Mailer Box (212x148x30mm)

Self-locking roll end tuck mailer (FEFCO 0427). Tested to 36 ECT edgewise crush.

Interior Clearance
212 x 148 x 30 mm (8.3 x 5.8 x 1.2 in)
Paperboard Composition
250gsm Virgin Kraft / 120gsm Fluting / 250gsm Testliner
Unit Volume (CBM)
0.9413 m3
Pilot MOQ (Fast Run)
500 pcs
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Application Suitability:
✓ E-Commerce DTC Shipments✓ Subscription Boxes✓ Cosmetics & Skincare Kits✓ Apparel & Accessories

Engineering & Logistics Data for NK-MB-12

Detailed manufacturing tolerances, container load estimates, and environmental barrier compliance parameters.

Manufacturing SKU Code NK-MB-12 (Standard Pre-Tooled Specification)
Standard Structure Code FEFCO 0427 (Roll End Tuck)
Internal Clearance Dimensions 212 x 148 x 30 mm (8.3 x 5.8 x 1.2 in)
Paper & Greyboard Matrix 250gsm Virgin Kraft / 120gsm Fluting / 250gsm Testliner
Edge Crush Test (ECT) Strength 36 ECT (TAPPI T 811 Method)
Mullen Burst Strength 175 PSI (TAPPI T 810 Sidewall Puncture Resistance)
Unit Shipping Volume 0.9413 m3 per unit
40ft High Cube Container Capacity Approx. 7,224 units (Based on ISO 1200x1000mm Pallet Stacking)
Printing & Finishing Capabilities CMYK + Spot Pantone Offset, Aqueous Matte Varnish, Hot Foil Stamping, Registered Embossing
Environmental Certification 100% Curbside Recyclable (CEPI / PTS Method 021/97) • FSC-C158941 • 100% PFAS-Free
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