Basic Info.
Model NO.
99%
Colour
White
Appearance/Colour
White Powder
Molecular Weight
166.133
Purity/Quality
99%
Solubility
Solubility
Density
1.51 g/cm3
Flash Point
260ºC
Transport Package
Bag
Specification
99%
Trademark
EVER CHEMICAL
Origin
China
HS Code
29173600
Production Capacity
100000
Product Description
Factory Price CAS 100-21-0 99% Pta Pure Terephthalic Acid for Polyester Terephthalic acid is the organic compound with formula C6H4(COOH)2. This colourless solid is a commodity chemical, used principally as a precursor to the polyester PET, used to make clothing and plastic bottles. Several million tones are produced annually. It is one of three isomeric phthalic acids.
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| Item | Top grades | First grade | |
| Appearance | White powder | White powder | |
| Acid value /(mgKOH/g) | 675±2 | 675±2 | |
| P-Carboxybenzaldehyde/(mg/Kg) | ≤25 | ≤25 | |
| p-methylbenzaldehyde /(mg/Kg) | ≤150 | ≤180 | |
| Ignition residue/(mg/Kg) | ≤6 | ≤10 | |
| Total heavy metal (Mo,Cr, Ni, Co, Mn,Fe )/(mg/Kg) | ≤3 | ≤5 | |
| Fe/(mg/Kg) | ≤1 | ≤2 | |
| moisture W/% | ≤0.2 | ≤0.2 | |
| DMF tinct(5g/100ml)/Hazen unit | ≤10 | ≤10 | |
| (Platinum cobalt color number) | |||
| b*value | ≤1.4 | ≤1.5 | |
| Particle size distribution | 250μm W/% | 7.9 | 7.9 |
| 45μm W/% | 10.2 | 10.2 | |
| average grain diameter/μm(sieve method) | 128 | 128 | |
Virtually the entire world's supply of terephthalic acid and dimethyl terephthalate are consumed as precursors to polyethylene terephthalate (PET). World production in 1970 was around 1.75 million tones. By 2006, global purified terephthalic acid (PTA) demand had exceeded 30 million tonnes. There is a smaller, but nevertheless significant, demand for terephthalic acid in the production of poly butylene terephthalate and several other engineering polymers.
We have Anti-static type c 500kg /bag, 25kg /bag and common 500kg/bag
We can also packing as your requirement.
Ever century chemical is a professional manufacturer and global distributor of chemical products . Our factory is located in Zibo city, the most important chemical industry city of Northern China. We have two specialized warehouse located in Zibo and Qingdao City, covered an area of 5000 square meters, which could provide our customer one-stop chemical sourcing service : mixing, repacking, storing, and distributing etc .
Since the foundation, we not only produce by ourselves, we also have established long-term and firm business relationships with over 300 Chinese enterprises that are engaged in various fields, including paint manufacturing, PU, chemical producing, rubber and plasticizer etc.
Our company has strict management system and quality control. We are ISO 90001:2000, ISO 141001:2000 and SGS certified. Our customers spread in South America, Oceania, Africa, Europe, Middle-East and South East Asia. We are still opening and developing broader market.Depending on the advantages of self-produce, high quality products, competitive price,quick delivery and professional service, we win approval and trust of our clients all over the world.
1.One-stop service station for your whole industry.
We can provide mixing, repacking, storing service for you .
You can buy all of them from us for only one time , we will update the orders processing of all to you on time. We are pleasure to be your warehouse and purchase office in China .
2.Provide the most favorable solutions.
There are many Chinese and other international suppliers of each item , you don't need to inquiry over all of them , just tell us your requirement, we will match the most suitable products for you based on our domestic international resources. We also have a lot of imported resources in our warehouse.
3.Qualified Quality is the first condition for business.
Our company has strict management system and quality control. We are ISO 90001:2000, ISO 141001:2000 and SGS certified. -----Be honest, be sincere ,be your best consultant and supplier. We do the best as what we can, we tell you the truth what we can't reach, and providing sincere advice for you.
Question:
1.what is you payments?
Payment by T/T, ,L/C , DP
2. How to confirm the Product Quality?
1. You can get free samples for some products,only need to pay the shipping cost .
2. We have our own quality control department will provides quality control reports before shipment.
3.We can accept third party inspection.
3. How long is lead time, and how should you deliver to us?
We will arrange shipping within 3-5 days for small order, 7 days for bulk order. Some of the products we have stock can send to you immediately. After over 15 years on global trade, we has formed a mature international trade logistics chain. We can offer "door to door service", our professional team gives you this "one-stop" service to save your time .
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