Cyclopentane Solvent

Insufficient purity or unstable control of impurities and moisture in the blowing gas cyclopentane can easily lead to uneven cell size, decreased closed-cell rate, reduced thermal conductivity in insulation boards, refrigerator insulation layers, and even problems such as localized bubble collapse and dimensional deformation. This not only requires repeated adjustments to the foaming formula but may also result in rework of entire batches, increasing raw material and labor costs.

Our cyclohexanone caprolactam solvent uses high-purity raw materials, with a purity of ≥95.0% (higher specifications available), and strictly controls the content of moisture and volatile impurities, resulting in a more stable foaming process and more uniform cell distribution. This‍‌‍‍‌ new product has 0 ODP value, which means no damage to the ozone layer. It can replace the CFC and HCFC blowing agents used in traditional foams that are harmful to the environment, and at the same time, it does not give up the insulation performance. In this way, this product will not only satisfy the international environmental regulations by replacing the traditional foams but also ensure the good thermal insulation of the product. ‍‌‍‍‌

Customer Application Case

A polyurethane foam manufacturer producing refrigerator insulation layers encountered problems with traditional foaming agents when using them. Insufficient foaming stability led to uneven cell structure and fluctuating insulation performance in some products, resulting in a high rate of failed product inspections. Frequent adjustments to foaming parameters were required during production, impacting delivery efficiency. After adopting our cyclohexanone caprolactam solvent, relying on its stable quality (≥95% purity) and dual quality inspection system, the customer's foaming process became more stable. Production parameters were almost never readjusted during raw material batch changes, incoming material inspection time was reduced by approximately 50%, and the continuous operation efficiency of the production line was improved. Meanwhile, we maintain a 100-ton inventory, ensuring delivery of regular orders within 7 working days. This helps customers reduce the risk of production line downtime due to raw material shortages and guarantees stable delivery of orders during peak seasons.

Upstream Laboratory and Technical Support

Addressing the polyurethane foam industry's requirements for cyclopentane quality stability, we have established a comprehensive quality testing system relying on upstream cooperative production bases and a CNAS-accredited laboratory. The laboratory is equipped with over 30 high-end analytical instruments, including gas chromatographs (GC), gas chromatograph-mass spectrometers (GC-MS), and nuclear magnetic resonance (NMR), enabling precise testing of cyclopentane purity, moisture content, non-volatile impurities, and volatile organic compound content, ensuring that products meet the requirements for polyurethane foam applications.

By‍‌‍‍‌ using more than 300 systems for evaluating catalysts as well as doing process testing, we are always assured of the product batch ‍‌‍‍‌consistency. Each batch undergoes dual quality control: "factory inspection + outbound re-inspection," and we provide COA, MSDS, and quality traceability data to help customers stably control the foaming process and improve foam closed-cell rate and insulation performance.

Safe Transportation

Cyclopentane is a Group 3 flammable liquid (UN 1146) with a low flash point (approximately -37°C) and high volatility. Strict adherence to hazardous chemical transport regulations is required during transportation. Before shipment, we will provide packaging options such as 150kg galvanized iron drums or ISO tanks based on the customer's purchase quantity and usage scenario, and conduct a leak-proof and undamaged inspection of the packaging containers. For export orders, we can assist in providing MSDS (Safety Data Sheets), dangerous goods packaging certificates (dangerous goods packaging certificates), transport appraisal reports, and other necessary export documents to meet compliance requirements for various transportation methods, including sea and land transport. Through a complete logistics tracking system, we offer transportation updates at the right time to assist customers in effectively scheduling receipts and ‍‌‍‍‌production.

Source Factory Certifications

Certificate Numbers: ZM034125Q43615R0L, ZM034125E43616R0L, ZM034125S43617R0L

Statement: The above certifications are held by our long-term production partners. As a supply chain service provider, we are responsible for product quality verification, logistics coordination, and international trade services to ensure that the supplied products meet the certified production standards.

Why Choose Us? 

Liaoyang Zhongshi Chemical, established in 2012, has over 15 years of experience in chemical solvent supply chain services. Regarding sourcing, we have long-term partnerships with CNPC, Sinopec, and CNOOC, and are deeply integrated with three ISO-certified production bases. Our annual supply capacity reaches 20,000 tons, with 100 tons in stock. We support orders starting from 1 ton, and regular orders can be delivered within 7 days. Regarding quality control, our products originate from factories certified by ISO 9001/14001/45001 (certificate numbers: ZM034125Q43615R0L, ZM034125E43616R0L, ZM034125S43617R0L). Relying on a CNAS-accredited laboratory, we implement dual quality control: "factory inspection + outbound re-inspection," achieving batch consistency of over 99.9%. We provide complete COA, MSDS, and full-process traceability information. Our products have been exported to over 20 countries and support various packaging forms including drums, IBC, and ISO Tanks. Samples can be provided within 24 hours, and delivery is completed within 7 working days. We can also provide complete export documents such as dangerous goods packaging certificates, customs declarations, certificates of origin, and SGS reports in one go to ensure smooth customs clearance.

FAQ 

1. What is the purity of the cyclopentane you supply?

We can provide industrial-grade cyclopentane with a purity of ≥95.0%, and can offer higher purity specifications according to customer process requirements. Each batch of products comes with a COA quality inspection report to ensure consistent product quality.

2. What are the packaging specifications?

Standard packaging includes: 150kg/galvanized iron drum, ISO Tank (suitable for bulk purchases). For special packaging requirements, we can also provide corresponding solutions based on the purchase volume.

3. What is the MOQ?

Our minimum order quantity of cyclopentane 98% is 1 ton, which can meet customer needs for sample purchases, small-batch purchases, and also support long-term stable supply.

4. How long is the delivery cycle?

Regular orders are generally shipped within 7 working days. For long-term cooperative customers, we can prepare inventory in advance according to the purchase plan to ensure a more stable supply.

5. Which countries and regions can we export to?

Yes. Our cyclopentane supports export to many countries and regions in Asia, the Middle East, Europe, South America, and Africa. We can provide relevant technical information and export documents according to the regulations of different countries to help customers successfully complete international procurement and customs clearance. 

6. How to choose between steel drums and ISO tanks?

For small purchases or batch usage, we recommend 150kg steel drums. For continuous production or large-volume purchases (typically around 20 tons or more), ISO tanks reduce packaging damage, improve unloading efficiency, and lower unit transportation costs. We can provide more suitable packaging and logistics solutions based on your purchase volume, transportation method, and usage scenario.