Blog
Oct 20, 2026
IML Printed PP Food Container: Design Rules
IML bonds a printed PP film into the container wall during moulding, so the print cannot peel, fade or wash off. It needs a label plate in the mould, a
Oct 19, 2026
How Many PP Containers Fit in a 40HQ: Real Numbers
Across our 83 models, a 40HQ holds between 59,280 and 3,070,000 sets, weighing 5.8 to 17.5 tonnes. Every one of them cubes out before it weighs out — PP
Oct 19, 2026
500ml PP Food Container: Wholesale Specification
A 500ml PP container is the standard side-dish and single-scoop size. Expect 14–20 g net weight, 300–600 pcs per carton, and 100,000–150,000 pcs per 40HQ
Oct 19, 2026
1200ml PP Container for Catering and Family Packs
A 1200ml PP container serves sharing portions, family packs and catering trays. At this size, base rigidity becomes the limiting factor — walls below 0.7
Oct 19, 2026
Round vs Square PP Container: Which Loads Better
Square containers load 12–18% more product per container and stack better; round containers seal better and cost less to mould. For delivery, square wins
Oct 19, 2026
Snap Lid, Hinge or Film Seal: Choosing the Closure
Snap lids are cheapest and re-closable, hinged closures eliminate a separate part, and film seals give the best leak resistance but require equipment at
Oct 19, 2026
Anti-Fog PP Container for Cold Display
Anti-fog treatment stops condensation forming droplets on the inside of a lid in a chilled display, so the product stays visible. It is a surface additive
Oct 19, 2026
Microwave-Safe PP Container: What to Verify
“Microwave safe” on a PP container should mean it withstands repeated reheating to 100C without deformation or migration above legal limits. Verify it by
Oct 19, 2026
Freezer-Grade PP Container: Brittleness and Cold Chain
Standard PP homopolymer becomes brittle below about −10C and cracks on impact. Freezer-grade containers use impact copolymer PP, which stays ductile to
Oct 19, 2026
Leak-Proof PP Container: Gasket vs Valve vs Fit
A truly leak-proof PP container needs either a gasket, a pressure-equalising valve, or a precision interference fit — and the fit option only works on
