For manufacturers in the polymer, plastics, and composites industries, securing a reliable supply of high-quality Tert-Butyl Peroxybenzoate (TBPB), CAS 614-45-9, is crucial. TBPB serves as a vital medium-temperature polymerization initiator and a robust curing agent, making its procurement a strategic decision. This guide aims to assist B2B buyers in navigating the process of sourcing TBPB, with a particular focus on finding competitive options from China.

Understanding Your TBPB Requirements

Before initiating your search, clearly define your needs:

  • Application: Are you using TBPB for polymerization (e.g., LDPE, polystyrene), UPR curing (SMC/BMC), or silicone rubber vulcanization? Different applications may have slightly different purity or form requirements.
  • Purity: Industrial grade TBPB is typically available with a purity of 98% or 99%. Ensure the supplier meets your specific purity needs.
  • Quantity: Determine your annual or per-batch consumption to discuss bulk pricing and logistics with potential suppliers.
  • Packaging: TBPB is commonly supplied in PE drums (e.g., 25kg). Confirm packaging suitability for your receiving and storage capabilities.
  • Certifications: Inquire about necessary certifications such as ISO, COA (Certificate of Analysis), and SDS (Safety Data Sheet).

Key Quality Parameters to Verify

When evaluating TBPB from potential suppliers, scrutinize these critical quality parameters:

  • Appearance: Should be a colorless to pale yellow transparent liquid.
  • Assay (Purity): Typically ≥99.0%.
  • Active Oxygen Content: Usually ≥8.07%, a key indicator of its initiating power.
  • TBHP Content: Tert-Butyl Hydroperoxide (TBHP) is a common impurity; levels should be kept low (e.g., ≤0.2%).
  • Moisture Content: Low moisture is desirable (e.g., ≤0.2%).
  • Free Acid (as Benzoic Acid): Should be minimal (e.g., ≤0.1%).
  • Storage Stability: While TBPB is relatively stable, verify the supplier's recommended storage conditions and shelf life.

Why Source TBPB from China?

China has established itself as a leading global manufacturer and supplier of specialty chemicals, including organic peroxides like TBPB. The advantages of sourcing from China include:

  • Cost-Effectiveness: Chinese manufacturers often offer highly competitive pricing due to economies of scale and efficient production processes.
  • Large Production Capacity: Many suppliers boast substantial annual production capacities (thousands of tons), ensuring a stable supply for large-volume buyers.
  • Quality Control: Reputable Chinese chemical companies adhere to international quality standards and invest in advanced testing equipment to ensure product consistency.
  • Competitive Market: The competitive landscape encourages suppliers to offer excellent service, including technical support and reliable logistics.

Finding Reliable TBPB Manufacturers and Suppliers

When looking to buy TBPB, consider the following steps:

  1. Online B2B Platforms: Websites like Alibaba.com, Made-in-China.com, and specialized chemical directories are excellent starting points to identify multiple TBPB manufacturers and suppliers in China.
  2. Supplier Verification: Look for suppliers with verified business licenses, auditing reports, and a history of positive reviews. Pay attention to their years of experience and export history.
  3. Request Samples and Quotes: Always request samples for your internal testing and obtain detailed quotes that include pricing, minimum order quantities (MOQ), lead times, and payment terms (e.g., T/T, L/C).
  4. Due Diligence: Assess their communication responsiveness, technical expertise, and ability to provide necessary documentation (COA, SDS, compliance certificates). Consider inquiring about their manufacturing facilities and quality management systems.
  5. Negotiate Terms: Clearly discuss pricing for bulk orders, payment schedules, Incoterms (FOB, CIF, etc.), and delivery timelines.

Key Commercial Considerations

When engaging with a supplier, be prepared to discuss:

  • Price: Price per kilogram will vary based on order volume, purity, and market conditions.
  • Lead Time: Understand the production and shipping duration.
  • Payment Terms: Typical terms might involve upfront payment or a deposit, with the balance due upon shipment or against shipping documents.
  • Logistics: Confirm shipping methods, carriers, and any special requirements for transporting organic peroxides.

In conclusion, Tert-Butyl Peroxybenzoate (TBPB) is an essential chemical for numerous industrial applications. By thoroughly understanding your needs, verifying supplier credentials, and focusing on quality parameters, you can successfully source high-purity TBPB at competitive prices from reliable manufacturers and suppliers in China, thereby strengthening your supply chain and enhancing your production efficiency.