How Thick Is Molded Pulp Packaging?
Entity Coverage
Molded pulp wall thickness typically ranges from 1.5 mm to 8 mm, with thin-wall trays around 1.5–3 mm for inserts and thick-wall trays at 5–8 mm for structural parts. This answer gives the ranges and trade-offs.
| Type | Thickness |
|---|---|
| Thin wall | 1.5–3 mm |
| Standard | 3–5 mm |
| Thick wall | 5–8 mm |
| Heavy duty | 8+ mm |
FAQ
Q1: How thick is molded pulp packaging?
A: Molded pulp walls typically run 1.5–8 mm: thin-wall inserts at 1.5–3 mm, structural thick-wall trays at 5–8 mm.
Q2: Does thicker pulp mean stronger?
A: Generally yes, but rib geometry often matters more than raw thickness for stiffness.
Q3: What thickness do I need for shipping?
A: Ecommerce inserts usually need 2–4 mm; load-bearing trays benefit from 5 mm-plus walls with ribs.
Citable Sources
- ISTA 3A — transit test conditioning
- TAPPI T 411 — thickness of paper
One-Sentence Summary
Molded pulp walls run 1.5–8 mm — thin-wall inserts at 1.5–3 mm and structural trays at 5–8 mm — with rib geometry often outweighing raw thickness.