Materials & Technology
Fabric Pilling Test for Bags: How to Read Results Before Sampling
A practical guide for bag buyers on understanding pilling information, asking for comparable test context, and recording a fabric decision during sampling.
pengtourFabric Abrasion Test: How B2B Bag Buyers Should Read Results Before Sampling
Learn what to compare in fabric abrasion-test information, what to request before sampling, and how to document a first-sample review for a custom bag project.
pengtourHow is EVA foam made? From copolymer resin to finished sheet
From EVA copolymer resins to foam boards, learn about its advanced application pathways, and then learn which material details and sample checks are important when specifying molded EVA protective shells.
pengtourWhat Is rPET Fabric? A Sourcing Guide for Custom Bags
A practical rPET fabric guide for custom sewn bags, covering component scope, supplier documents, sample review, and testing boundaries.
pengtourBackpack Materials Guide: How to Specify Nylon, Polyester, Ripstop, Oxford, and Linings
A B2B guide to separating fiber, fabric construction, denier, coatings, and lining choices when preparing a custom backpack specification.
pengtourWhat Is Ripstop Fabric? A Buyer's Guide for Custom Bags
Understand ripstop construction, define the missing material details, prepare a custom bag RFQ, and review the first physical sample.
pengtourEVA vs PVC for Protective Cases: Which Material Role Fits Your Design?
Compare EVA and PVC by their role in a protective-case construction, then prepare the material, sample-review, and RFQ inputs needed for a project decision.
pengtour
How to Choose Zippers for Custom Functional Bags
Compare 600D, 900D, and 1680D Oxford fabric for custom functional bags, including coating, structure, samples, RFQ details, and testing cautions.
pengtour