Complaint
HQT-203 Zinc Dialkyl Dithiophosphate
/ZDDP/Zinc Dioctyl Primary Alkyl Dithiophosphate
HQT-203 (ZDDP is short for Zinc Dioctyl Primary Alkyl Dithiophosphate) is an efficient antioxidant and corrosion inhibitor, belonging to the series of ZDDP products, and also deemed as essential in today's automotive lubricating oils. HQT-203 could provide the oils with excellent antioxidation, anticorrosion performances and strong extreme pressure, anti-wear abilities. HQT-203 has excellent thermal stability, oil solubility, and good compatibility with other additives, especially better demulsification performance compared with HQT-202. HQT-203 can be used for formulating high-grade diesel engine oils combined with detergents (Calcium Sulfonate) and dispersants (Polyisobutylene Succinimide products).
Application
Use in hydraulic oils
Use in high-grade diesel engine oils, its recommended dosage is 0.5-3.0%
Characteristics
| Item | Typical Value | Test Method |
| Flash Point (COC), ºC | 180min | ASTM D92 |
| Sulfur, m% | 12.0-18 | ASTM D129 |
| Phosphorus, m% | 6.5-8.8 | ASTM D1091 |
| Zinc, m% | 8.0-10.5 | ASTM D4927 |
| Thermal Decomposition Temperature,ºC | 225min | SH/T0561 |
Packing: 200 liter metal drum
Shelf Life: 2 years, stored in dry, clean and well ventilated warehouses, lower than 45°C.
Q1. Are you a manufacturer?
Yes, HQT a high-tech comprehensive manufacturer integrated with R&D, production and sales. It is the largest and strongest producer in the South of China.
Q2: How do you control your product quality?
First, we are picking and testing samples from every step through the whole production lines, and there are several different inspectors to test the samples to guarantee the correct data.
Second, we have our own Q&C center to pick up and keep the samples from every batch in order to trace the quality when our clients have questions.
Third, the third part can be also acceptable for choosing.
Q3. What is your MOQ?
For lubricant additives, our MOQ is 4 drums loaded on one pallet.
For base oils, our MOQ is 1 FCL with the packing based on clients' requirements
For car care products and lubricant, our MOQ is usually one package or 1 FCL
Q4. What is your term of packing?
For lubricant additives, our packing is usually 200L metal drum, other packings such IBC tank can be also provided according to clients' needs.
Q5. What is your payment term?
T/T in advance, L/C is acceptable.
And our regular payment term is that T/T 30% as the deposit, and 70% against the photos for the accomplishment of the productions and packages before the delivery.
Q6. What is your term of delivery?
EXW, FOB, CFR, CIF, CIP
Q7. How about your delivery time?
Within 10 days after PO and receipt of your payment.
The specific delivery time will depend on the items and quantity of your order.
Q8. Can you produce according to the samples?
Yes, we can produce the suitable ones according to TDS or test data of your samples.
Q9. What is your sample policy?
We can supply the free samples with the freight cost paid by the buyers.
Q10: How do you ensure our long-term business relationship?
We are sincerely hoping to establish the good long-term business relationship with our esteemed clients, so we will do our best to guarantee our customers' benefit, stable quality and competitive prices are essential, and we are also provide our increasingly advanced technology for our clients' to meet the increasing needs in the current markets.
