Technical Resources

Practical technical content for procurement and R&D teams: proper storage, safe handling, packaging and compliance requirements for chemicals imported from China.

• Azeotropic Drying Entrainers for Esterification and Acetal Processes: Selection Guide (October 6, 2026)
  Azeotropic drying removes the water released during equilibrium-limited esterification and acetal or ketal formation, driving conversion ab…
• Chlorinated vs Non-Chlorinated Degreasing Solvents: Buyer's Selection Guide (October 6, 2026)
  Choosing between chlorinated and non-chlorinated degreasing solvents affects cleaning performance, worker safety, VOC compliance, and cost.…
• Solvent Exposure Control: OEL, ICH Q3C Classes and Residual Limits for Compliance (October 6, 2026)
  Solvent exposure control combines occupational exposure limits (OELs) and ICH Q3C residual solvent classes to protect workers and patients.…
• Storage and Warehouse Safety for Flammable Solvents: Essential Guide for Buyers (October 6, 2026)
  This technical guide covers storage and warehouse safety for flammable solvents such as acetone, ethanol, and toluene. Improper storage can…
• VOC Regulations and Solvent Choice for Export Markets: Compliance and Cost Guide (October 5, 2026)
  VOC regulations and solvent choice for export markets determine whether coatings, inks, adhesives, cleaners, and pharmaceuticals can be sol…
• Solvent Selection for Wood and Furniture Coatings: Practical Buyer's Guide to Quality and VOC (October 5, 2026)
  Solvent selection for wood and furniture coatings determines viscosity, flow, drying speed, defect resistance, and VOC compliance. This gui…
• Industrial Solvent Selection Guide: Polarity, Evaporation Rate & Hansen Parameters (October 5, 2026)
  This technical guide explains how to select industrial solvents by evaluating polarity, evaporation rate, and Hansen solubility parameters.…
• Solvent Recovery and Recycling in Coating and Printing Plants: Cut VOC Costs (October 5, 2026)
  Solvent recovery and recycling in coating and printing plants captures volatile organic compounds (VOCs) from process exhaust and waste str…
• FDA Approved? What 21 CFR 175.300 Actually Says About Driers and Photoinitiators (September 18, 2026)
  Driers have an express federal listing: ten metals crossed with fourteen salts. Photoinitiators have none at all. A checkable guide to what…
• Migration Compliant, Not 'Low Migration': Choosing Photoinitiators for Food-Contact Packaging (September 18, 2026)
  The phrase 'low migration' has been used so loosely that EuPIA now recommends 'migration compliant' instead. A practical guide to what actu…
• Banned, or Just De-listed? How to Read a Photoinitiator's Regulatory Status Across the EU, Switzerland, Germany and the USA (September 18, 2026)
  Law, positive lists and voluntary industry lists are three different constraints, and collapsing them into the word 'banned' costs buyers m…
• Why 'No REACH Restriction' Can Be Wrong: Annex XVII Entries, Appendices, and How to Check a Photoinitiator Properly (September 18, 2026)
  Annex XVII has two layers. The numbered entries are what restriction databases show you; the substance lists live in appendices attached to…
• Irgacure 184 / Omnirad 184 Regulatory Status: The Withdrawn Repr. 1B Classification and What to Use Instead (September 18, 2026)
  Irgacure 184 (Omnirad 184, CAS 947-19-3) was self-classified Reprotoxic 1B in August 2025 and the classification was then withdrawn by the …
• Food Grade Polyisobutylene (CAS 9003-27-4): What It Is, Applications and Buying Guide (September 4, 2026)
  Food grade polyisobutylene (PIB, CAS 9003-27-4) is a non-toxic, odorless polymer supplied in high-activity and low-activity grades for chew…
• How to Choose a Photoinitiator for UV Curing: 1173, 184, 369, 907, TPO and Blends (September 3, 2026)
  A practical selection guide: absorption wavelength, dosage, yellowing, migration and LED compatibility for the photoinitiators most used in…
• REACH, GHS and Export Documentation for Fine Chemicals from China (September 3, 2026)
  A compliance shortlist: which documents a Chinese fine chemical supplier should provide (REACH/SVHC, GHS SDS, TSCA statements, DG declarati…
• How to Read a Paint Drier Specification: Metal Content, Viscosity and Drying Performance (September 3, 2026)
  What five parameters on a drier COA tell you about performance — metal content, solvent carrier, viscosity, flash point and acid value — an…
• Photoinitiator Storage & Handling Guide: Keeping 184, 369, TPO and Blends Stable (September 3, 2026)
  What actually degrades photoinitiators — heat, UV, humidity and oxygen — and how to store 1173, 184, 369, 907, TPO and liquid blends to pre…