Complaint
| Product name | Carbon Black | |||
| Type | N-220 | N-330 | N-550 | N-660 |
| Iodine absorption(g / kg) | 121±5 | 86±2 | 43±5 | 36±5 |
| Oil absorption value(10^-5 m³ / kg) | 114±5 | 102±7 | 121±5 | 90±5 |
| Compression sample DBP(10^-5 m³ / kg) | 95-105 | 83-93 | 83-93 | 71-79 |
| Specific surface area(10^-5 m³ / kg) | 106-116 | 77-87 | 28-46 | 32-40 |
| Stretch (MPa ≥) | 76±8 | -1.0 | - | - |
| Nitrogen adsorption Specific surface area (10^3 m² / kg) | 114-124 | 78-88 | 38-46 | 30-40 |
| Coloring degree(%) | 110-122 | 98-108 | - | - |
| Heat Loss (% ≤) | 2.5 | 2.5 | 1.5 | 1.5 |
| Elongation (% ≥) | -0.5 | -10 | -3.5 | -3.0 |
| Ash Content (% ≤) | 0.5 | 0.5 | 0.5 | 0.5 |
| Sieve residue (% ≤) | 0.10 | 0.10 | 0.1 | 0.10 |
| Impurity | - | - | - | - |
| Stretching stress (Mpa) | - 1.5 ± 1.0 | - 1.0 ± 1.2 | - 1.0 ± 1.0 | - 2.5 ± 1.0 |
1. In the building materials industry, it is mainly used for colored cement, colored cement floor tiles,
Company Profile
Hebei Tongxie Import and Export Co., Ltd. is located in Shijiazhuang City,
Hebei Province. We have rich experience in the production and domestic and
foreign sales of various chemical products such as paraffin (fully refined, semi-
refined), graphite electrodes and carbon black.
Our products have been successfully exported to South Korea, the United
States, Australia, Canada, Vietnam, Thailand, Malaysia and many other countries.
We are glad to receive your inquiry and we will reply you as soon as possible.
We adhere to the principle of "quality first, service first, continuous improvement,
innovation to satisfy customers" for management, and take "zero defect, zero
complaint" as the quality goal.
Certifications
FAQ
To ensure the convenience of clients,we always set accurate reply for crucial question.
Q1: Can I get some samples ?
A: Yes, we can supply the free sample, but the shipping cost be paid by customers.
Q2: How to start orders or make payments ?
A : PI will be sent first after confirmation of order,enclosed our bank information.
Payment by T/T, Western Union LC, Moneygram or Paypal.
Q3: What's your MOQ ?
A : Our MOQ is 1kg. But usually we accept less quantity such as 100g on the condition that
sample charge is 100% paid.
Q4: How about delivery leadtime ?
A : Delivery lead time: About 3-5 days after payment confirmed.(Chinese holiday not included)
Q5: Is there a discount ?
A : Different quantity has different discount.
Q6: How to contact us ?
A : You can chat with us by Made In China. You can choose your interested products and send inquiry to us. You can dial our telephone directly, you will get our reply soon.
Q7: How to confirm the Product Quality before placing orders ?
A : You can get free samples for some products, you only need to pay the shipping cost or
arrange a courier to us and take the samples. You can send us your product specifications
and requests,we will manufacture the products according to your requests.
