September 4, 2026 · Technical
Food grade polyisobutylene (PIB, CAS 9003-27-4) is a non-toxic, odorless polymer supplied in high-activity and low-activity grades for chewing gum base, medical plasters, packaging materials, hot melt adhesives and sealants. Includes a properties table, application list and buyer FAQ.
September 3, 2026 · Technical
A practical selection guide: absorption wavelength, dosage, yellowing, migration and LED compatibility for the photoinitiators most used in UV-curable coatings, inks and adhesives.
September 3, 2026 · Technical
What actually degrades photoinitiators — heat, UV, humidity and oxygen — and how to store 1173, 184, 369, 907, TPO and liquid blends to preserve activity through their shelf life.
September 3, 2026 · Technical
What five parameters on a drier COA tell you about performance — metal content, solvent carrier, viscosity, flash point and acid value — and how to standardize dosing across suppliers.
September 3, 2026 · Technical
A compliance shortlist: which documents a Chinese fine chemical supplier should provide (REACH/SVHC, GHS SDS, TSCA statements, DG declarations) and how to verify them before payment.
August 6, 2026 · Sourcing Guide
Understand T/T, Letter of Credit, Documents against Payment and platform escrow for chemical imports — and how to choose terms that protect both sides.
August 6, 2026 · Shipping Guide
Choose the right packaging for chemical imports: net weights, UN-certified dangerous goods packaging, and how packaging choice affects your landed cost.
August 6, 2026 · Quality Guide
How to test chemical samples before bulk orders: what to check, which labs to use, and how to read results against the supplier's COA.
August 6, 2026 · Shipping Guide
A practical breakdown of the shipping documents for chemical imports — from booking confirmation to arrival notice — and who prepares each one.
August 6, 2026 · Sourcing Guide
What MOQ really means in chemical trading, why it varies by product, and how to negotiate better minimums for your first order from China.
August 5, 2026 · Quality Guide
Seven practical quality checks every chemical importer should run — from reading a COA correctly to independent lab testing, batch consistency tracking and third-party inspection. Protect your production line from off-spec material.
August 5, 2026 · Shipping Guide
EXW, FOB, CIF, DDP — what each Incoterm actually means for chemical buyers, who bears the risk and cost at every step, and how to choose the right one for your first import from China.
August 5, 2026 · Sourcing Guide
Every document you need when importing chemicals from China — commercial invoice, packing list, bill of lading, COA, MSDS, certificate of origin and dangerous goods declarations — explained in plain language, with a downloadable checklist.
August 5, 2026 · Sourcing Guide
A practical, step-by-step guide for importers sourcing chemicals from China — how to verify COA/MSDS, distinguish manufacturers from traders, test samples, and protect your payment. Includes a downloadable checklist and the key questions every serious buyer should ask before placing an order.
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