
Product Name: Potassium Borate
CAS Number: 1332-77-0
Chemical Formula: K₂B₄O₇·4H₂O
Appearance: White crystalline powder
Purity: ≥99%
Moisture Content: ≤0.5%
Packaging: 25kg bags or customized bulk orders
Store in airtight containers at 15-30°C, relative humidity ≤60%
1-5% w/w in polymer matrices (adjust based on flame retardancy requirements)
Used at 3.2% concentration in PVC cable insulation to achieve UL94 V-0 rating
Added to ceramic frits at 8-12% to reduce melting temperature by 15%
0.8% addition extended tool life by 22% in aluminum CNC machining

This is William, CEO of Zhishang Chemical Co., Ltd.
Welcome to visit our factory . As the top chemical manufacturer, we have been striving for product quality, innovation , R&D, and customer service for the past 7 years. In the next 10 years or even longer, we are committed to becoming the most reliable chemical supplier in the world , creating a well-known international brand trusted by customers, with the spirit of “one meter wide, ten thousand meters deep”, we continue to focus on product research and development, continue to focus on customer service, continue to improve the supply chain service system, to create a professional chemical supply service team, to achieve win-win long-term cooperation. Please feel free to contact us if you have any questions.











