As a procurement manager or R&D scientist in the chemical and pharmaceutical industries, sourcing high-quality Polyethylene Glycol 4000 (PEG 4000) is paramount for product success. This versatile polymer, known for its excellent water solubility, lubricity, and moisture-retention properties, finds extensive use across various sectors. When looking to buy PEG 4000, understanding key quality parameters and identifying reliable manufacturers and suppliers is crucial.
Understanding Polyethylene Glycol 4000 (PEG 4000) Quality:
When evaluating PEG 4000, pay close attention to its specifications. Key parameters often include average molecular weight (which for PEG 4000 typically ranges from 3600-4400), purity levels (often exceeding 99%), pH, and limits for impurities like ethylene oxide and dioxane. Pharmaceutical-grade PEG 4000, adhering to standards such as USP, EP, or BP, indicates a higher level of purity and suitability for sensitive applications. For industrial uses, understanding the specific grade requirements for your application is equally important.
Key Applications Driving Demand:
The demand for Polyethylene Glycol 4000 stems from its diverse utility:
Choosing a Reliable Manufacturer and Supplier:
As a trusted manufacturer and supplier in China, NINGBO INNO PHARMCHEM CO.,LTD. emphasizes quality control and customer satisfaction. When selecting a supplier, consider their:
By focusing on these aspects, you can ensure you purchase high-quality Polyethylene Glycol 4000 that meets your exact needs. For premium PEG 4000 and reliable supply chain solutions, consider partnering with NINGBO INNO PHARMCHEM CO.,LTD., your dedicated manufacturer and supplier.
Manufacturing Facilities






Professional Export Experience
to Global Customers
1. 20 years of R&D, manufacturing and sales experience, serving customers in 60 countries and regions around the world;
2. Own R&D laboratory, pilot platform and large-scale production workshop, which can meet the audit requirements of global customers;
3. We can satisfy customers' perfect transition from small scale lab requirements (gram level) to commercialization requirements (hundred tons level).
A: We don't have Minimum Order Quantity, exact quantity should be provided before quotation for us to calculate the exact cost.
A: We don't provide free samples due to lots of request and expensive international courier's cost, we can deduct the sample charge after commercial order placed.
A: Our payment terms: Small or sample order: T/T IN ADVANCE. Commercial order: First order should be by T/T IN ADVANCE or L/C at sight, and following orders T/T 30~90days is acceptable subject to approval of credit application.