Custom Manufacturing, Project Outsourcing, your Trusted Partner from China
The performance of rubber products is heavily dependent on the quality of the raw materials and the effectiveness of the curing process. WS Curing Resin, a specialized thermoplastic phenol-formaldehyde reactive resin, is a cornerstone material that ensures robust vulcanization for various rubber types. NINGBO INNO PHARMCHEM CO.,LTD. offers this advanced resin, understanding its critical function in achieving superior rubber properties. This article explores the science behind WS Curing Resin, detailing its properties and diverse applications.
At its core, WS Curing Resin is a thermoplastic resin derived from phenol and formaldehyde, modified to act as a reactive curing agent. Its chemical composition includes a specific methylol content, which is integral to its performance in cross-linking polymer chains within rubber matrices. The typical appearance of WS Curing Resin is a yellow to brown transparent flaky solid, a characteristic that aids in its handling and incorporation into rubber formulations. The softening point, measured by the Ring & Ball method, typically falls between 85-95°C, indicating its stable solid state at room temperature. Furthermore, its water content is kept to a minimum (≤1.0%), ensuring formulation integrity.
The primary application of WS Curing Resin is as a curing agent for Natural Rubber (NR) and several synthetic rubbers, including IIR (Butyl Rubber), EPDM (Ethylene Propylene Diene Monomer), NBR (Nitrile Butadiene Rubber), and CR (Chloroprene Rubber). Its effectiveness is often enhanced by the addition of catalysts. For example, Tin(II) chloride (SnCl2) can be used at a concentration of 2-5% to accelerate the curing process. The recommended dosage of WS Curing Resin itself varies based on the specific rubber; for instance, it's typically 7-12% for IIR and 1.5-2% for EPDM. These precise applications ensure that the resin contributes optimally to the final rubber product's mechanical strength and durability.
When considering the purchase of WS Curing Resin, understanding its packaging and storage is vital. It is commonly supplied in 25kg net weight kraft bags with PE coating. For maximum shelf life, typically one year, it should be stored indoors in a dry and well-ventilated area, protected from heat and fire. NINGBO INNO PHARMCHEM CO.,LTD. provides this essential material, backed by expertise to help clients maximize its performance in their rubber compounding processes.
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.
