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For any industrial chemical, particularly those used in demanding applications like rubber manufacturing, understanding and ensuring product quality is paramount. 2-Mercaptobenzothiazole (MBT), a widely used rubber accelerator, is no exception. When sourcing MBT (CAS 149-30-4), procurement managers and formulation scientists must pay close attention to specific quality parameters to guarantee consistent performance and product integrity.
A primary specification for MBT is its purity. Reputable manufacturers typically offer MBT with a minimum purity of 97%. Higher purity levels can lead to more predictable vulcanization rates and improved physical properties in the final rubber products. Impurities can affect curing kinetics, potentially causing premature vulcanization (scorching) or incomplete curing, both of which are detrimental to product quality and manufacturing efficiency.
Another important characteristic is the loss on heating, often referred to as moisture content. For MBT, a maximum loss on heating of around 0.30% is generally considered acceptable. High moisture content can interfere with the vulcanization process and affect the product's shelf life. Similarly, ash content, which indicates the level of inorganic impurities, should be kept to a minimum, typically below 0.30%. A low ash content ensures that the accelerator is primarily the active organic compound.
The residue on the sieve, particularly for a particle size like 150μm, is also a crucial indicator of the product's physical form and consistency. A low residue, such as 0.10% maximum, suggests a finely divided and uniform powder, which aids in its dispersion within the rubber matrix. Proper dispersion is key to achieving uniform vulcanization throughout the rubber compound.
When you buy 2-Mercaptobenzothiazole, especially from an international supplier, requesting and reviewing the Certificate of Analysis (COA) for each batch is essential. This document details the actual test results for these critical specifications. Partnering with a trusted manufacturer and supplier that clearly communicates and adheres to these quality standards ensures that your MBT will perform as expected, contributing to the success of your rubber product manufacturing operations.
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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.
