The performance and longevity of asphalt pavements are significantly influenced by the additives used in their production. Tetraethylenepentamine (TEPA), a versatile polyamine, plays a notable role in the formulation of advanced asphalt additives. As a leading chemical manufacturer and supplier specializing in industrial intermediates, NINGBO INNO PHARMCHEM CO.,LTD. understands the critical need for high-quality TEPA to enhance the properties of asphalt mixtures.
TEPA functions within asphalt formulations by improving adhesion between the asphalt binder and aggregate, thereby increasing the pavement's resistance to moisture damage and rutting. Its chemical structure allows it to act as an adhesion promoter and anti-stripping agent. For manufacturers of asphalt additives, sourcing reliable TEPA is paramount to ensuring consistent product performance and road durability. When you seek to buy TEPA for this application, choosing a reputable supplier is crucial.
NINGBO INNO PHARMCHEM CO.,LTD. is committed to being a premier source for Tetraethylenepentamine, offering 99% purity and consistent quality. Our position as a chemical supplier in China allows us to provide competitive pricing and dependable delivery for businesses worldwide. We aim to support the construction industry by supplying essential chemical components that contribute to superior infrastructure. If you are involved in asphalt additive manufacturing and require a trusted manufacturer for TEPA, please contact us for a quote and to discuss your specific requirements.
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.