What types of kraft paper are there? Based on Britannica and CEPI, Chia Hwang Paper explains the differences between virgin pulp, recycled kraft, white kraft, and long-fiber kraft, plus supply formats and what to prepare before an inquiry.
How do you convert paper weight to GSM? Chia Huang Paper explains the relationship between pound weight, ream weight and g/m², why the same pound weight can differ by about 1.5x under common basis sizes, and how kraft paper bag weight, ply count and load capacity relate to each other.
How does paper bag printing work? Chia Huang Paper walks through the four-color printing process from design file to bag-making, explains how the kraft paper base color affects color appearance, and breaks down how color count, print area, number of plates, and quantity affect printing cost and plate fees, plus design trade-offs for limited budgets.
How Is Paper Bag Printing Done? Understanding 4-Color Printing, Color Counts & Costs Read More »
How to choose paper bag closure? Chia Huang compares sewing, heat-sealed OverTape, and combined methods, explains why fine powders need pinhole attention, what matters for heavy loads, and what info to prepare before requesting a quote.
How to choose moisture-proof bags? Chia Huang Paper breaks it down from a manufacturing perspective: how moisture gets in, the roles of coating and multi-ply structures, inner plastic layer trade-offs, and what info to prepare before requesting a quote.
How to choose a pallet stacking method? Chia Huang Paper outlines interlocked stacking, bag-edge alignment and stacking height principles, citing European paper sack industry and Hong Kong OSH documents, plus how anti-slip agents can help—so you know the key points before requesting a quote.
How does toll processing work? Chia Huang Paper explains the 4-step toll lamination process, what to prepare before sending samples, and when toll processing is (or isn't) the right fit—so you can clarify substrate and specs before requesting a quote.
Slitting cuts wide rolls lengthwise into narrower rolls, rewinding adjusts diameter and tension, and cutting changes length. This article explains the differences based on process logic, the four steps of toll processing, and what to prepare before requesting a quote.
What is lamination? Chia Huang Paper explains its three core functions — moisture resistance, abrasion resistance and heat sealing — compares PE vs PP film, and covers compatible substrates, widths up to 2 meters, and our contract processing workflow.
What Is Coating? Differences Between PE Coating and PP Coating & How to Choose Read More »
