DOTP packaging is not a one-size-fits-all decision. Dioctyl terephthalate (CAS 6422-86-2), the non-phthalate plasticizer at the heart of PVC wire & cable, flooring, film, and synthetic leather, can be shipped in 200L drums, 1000L IBC totes, flexitanks, or ISO tank containers. Each format has a different payload, minimum order quantity (MOQ), and cost per ton. As a direct manufacturer with 300,000 tons of annual capacity, Shandong Changxing Plastic Additives ships DOTP in all four formats. This guide helps overseas buyers match the right DOTP plasticizer packaging to their order size, storage setup, and destination port.
Key Takeaways
- ✅ Drums: 250 kg net each, ~16 MT per 20ft container. Best for trial orders and small volumes.
- ✅ IBC totes: 1000L each, ~20 MT per 20ft. The flexible middle ground for mid-volume buyers.
- ✅ Flexitanks: 22–24 MT per 20ft. The lowest freight cost per ton for containerized bulk.
- ✅ ISO tanks: up to ~23 MT per unit. The largest payload for regular, large-volume programs.
- ✅ Standard MOQ is one 20ft container; trial orders in drums or IBC totes are welcome.
DOTP Packaging Options at a Glance
The table below compares the four standard DOTP packaging formats used in export shipping. Figures are based on our standard export loading data; exact payload depends on the container and drum specification.
| Packaging | Unit Size | Payload per 20ft | Best For |
|---|---|---|---|
| 200L steel / plastic drums | 250 kg net | ~16 MT | Trial orders, small volumes, markets without bulk discharge pumps |
| 1000L IBC totes | 1000 L | ~20 MT | Mid-volume buyers who need stackable, warehouse-friendly storage |
| Flexitank (flexibag) | 20,000–24,000 L | 22–24 MT | Containerized bulk: the lowest freight cost per ton |
| ISO tank container | 20–25 m³ | ~23 MT | Regular large volumes with tank rotation and return logistics |
200L Drums: Ideal for Trial Orders and Small Volumes
A 200L drum holds 250 kg of DOTP net. Because drums are fully sealed, labeled, and easy to handle with standard forklifts, they are the simplest DOTP packaging for first orders, sample confirmations, or customers who distribute to multiple smaller sites. A 20ft container carries roughly 16 metric tons of drummed DOTP.
Drums are also the right choice when the destination lacks bulk discharge pumps or dedicated storage tanks. The trade-off is packaging cost and space: drums consume container volume and leave empty steel behind. For this reason they suit small and trial orders rather than recurring bulk purchases.
1000L IBC Totes: The Flexible Middle Ground
A 1000L IBC tote combines the handling convenience of a unit load with much larger volume than drums. Standard ISO-compatible IBCs are stackable, forklift-friendly, and often reusable, which makes them popular with mid-volume buyers who warehouse DOTP in a yard or warehouse. A 20ft container holds approximately 20 metric tons of DOTP in IBC totes.
IBC totes strike a balance between freight efficiency and flexibility. They work well for quarterly orders, for buyers without fixed tank infrastructure, and for programs that are growing from trial to steady volume. If your business is between "a few drums" and "full bulk," the IBC tote is usually the most practical step up.
Flexitanks: The Lowest Cost per Ton for Bulk
A flexitank is a multi-layer polyethylene bladder installed inside a standard 20ft dry container. It holds 20,000–24,000 liters of DOTP (roughly 22–24 metric tons), which is 30–50% more payload than the same container loaded with drums. Flexitanks offer the lowest freight cost per ton for containerized bulk, and they eliminate the empty packaging return logistics of ISO tanks.
Because DOTP is a non-hazardous liquid with a closed-cup flash point above 200°C, flexitank loading is safe and straightforward at the factory. We load DOTP flexitanks on a dedicated pump-filling line with full contamination control and quality checks. For a detailed walkthrough of the in-plant process, see our guide on DOTP flexibag factory loading.
ISO Tanks and Bulk Tankers: The Largest Volumes
For buyers moving DOTP on a regular, large-volume schedule, an ISO tank container carries roughly 23 metric tons per unit, the highest payload of any standard export format. ISO tanks are suited to programs with established tank rotation and return logistics, where the shipper and receiver coordinate tank repositioning.
Bulk tankers and ISO tanks make the most sense when your consumption is continuous, such as a PVC compounding plant running daily production lines. At that scale, the freight and handling savings of bulk outweigh the tank logistics overhead. Our logistics team can advise on the ISO tank program that matches your monthly volume and port.
How to Choose the Right DOTP Packaging
Use these three questions to narrow down the right DOTP packaging for your order:
- How much do you order? Under ~16 MT → drums. ~16–20 MT → IBC totes. 20 MT+ per shipment → flexitank or ISO tank.
- How do you receive and store it? No bulk pumps or tanks → drums or IBC totes. On-site storage tanks → flexitank or ISO tank.
- How frequent is your program? One-off → drums/IBC. Regular containerized → flexitank. Continuous large volume → ISO tank.
If your volume falls between two formats, our sales team will recommend the most cost-effective option and can provide a landed-cost comparison for your destination port. Need a refresher on safe storage, container selection, or shelf life? See our DOTP storage guide for warehouse best practices.
Frequently Asked Questions
Q1: What DOTP packaging options are available?
We offer DOTP in 200L steel drums (250 kg net), 1000L IBC totes, flexitanks (22–24 tons per 20ft container), and ISO tank containers. All packaging meets international shipping standards and can be customized on request.
Q2: What is the minimum order quantity for DOTP?
Our standard minimum order is one 20-foot container (approximately 22–24 tons in flexitank). For trial orders, we can accommodate smaller quantities in IBC totes or drums. Contact our sales team for specific requirements.
Q3: Which DOTP packaging is the most cost-effective for large volumes?
Flexitanks offer the lowest freight cost per ton for bulk DOTP shipments and maximize container payload. For regular bulk volumes, ISO tanks provide the largest payload with dedicated tank logistics.
Q4: Can I order a small trial quantity of DOTP?
Yes. Trial orders can be shipped in 200L drums or 1000L IBC totes, which suit small volumes and markets without bulk discharge pumps. Free samples (500 ml–1 L) are also available for initial quality evaluation.
Q5: Which DOTP packaging is best for my market?
It depends on your volume, storage, and port infrastructure. Drums and IBC totes suit small-to-mid volumes and distributed customers; flexitanks suit containerized bulk; ISO tanks suit regular large volumes with tank return logistics. Contact us and we will recommend the most cost-effective option.
Conclusion
From a single drum to an ISO tank, Shandong Changxing ships DOTP in every format that makes sense for global buyers. The right choice balances payload, cost per ton, storage, and market conditions. Our team helps you compare landed costs for your port and volume, so you never overpay for packaging you do not need.
Not Sure Which Packaging Fits Your Order?
Shandong Changxing Plastic Additives Co., Ltd. is an ISO-certified direct manufacturer with 300,000 tons annual capacity. Tell us your volume and port, and we will recommend the most cost-effective DOTP packaging for your shipment.
- SGS-tested: phthalate-free, EN 71-3, PFAS-free certified
- Four ISO systems: 9001 / 14001 / 45001 / 50001
- National "Little Giant" enterprise with exports to 30+ countries
Shandong Changxing Plastic Additives Co., Ltd.
August 2026
