China Supply CAS No 80-05-7 BPA Solid Bisphenol a for Epoxy Resin

Product Description

 

Basic Info

  

Model NO.	CAS  80-05-7	Appearance	White solid
Product name	Bisphenol A/BPA	Purity	99.93%
Trademark	Near Chem	HS Code	29072300
Origin	China	Specification	750kg/Bag

Product Description

China supply CAS No 80-05-7 BPA Solid Bisphenol A for Epoxy Resin 



Bisphenol A (BPA) is a chemical compound primarily used in the manufacturing of various plastics. It is a colourless solid which is soluble in most common organic solvents, but has almost no solubility in water. BPA is produced on an industrial scale by the condensation of phenol and another chemicial raw material, and has a global production scale which is expected to reach 10 million tonnes in 2022.
BPA's largest single application is as a co-monomer in the production of polycarbonates, which accounts for 65-70% of all BPA production. The manufacturing of epoxy resins and vinyl ester resinsaccount for 25-30% of BPA use. The remaining 5% is used as a major component of several high-performance plastics , and as a minor additive in PVC, polyurethane, thermal paper, and several other materials. It is not a plasticizer, although it is often wrongly labelled as such.
 

Product Application.

 

Bisphenol A Application

 

Polycarbonates
Between about 65-70% of all bisphenol A is used to make polycarbonate plastics, which can consists of nearly 90% BPA by mass. Polymerisation is achieved by a reaction with phosgene, conducted under biphasic conditions; the hydrochloric acid is scavenged with aqueous base. This process converts the individual molecules of BPA into large polymer chains, effectively trapping them.

Epoxy and vinyl ester resins
About 25-30% of all BPA is used in the manufacture of epoxy resins and vinyl ester resins. For epoxy resin, it is first converted to its digl ycide e ther (usually abbreviated BADGE or DGEBA). This is achieved by a reaction with epichlorohydrin under basic conditions.

Some of this is further reacted with methacrylic acid to form bis-GMA, which is used to make vinyl ester resins.

 

Minor uses
The remaining 5% of BPA is used in a wide range of applications, many of which involve plastic.BPA is a major component of several high-performance plastics, the production of these is low compared to other plastics but still equals several thousand tons a year. Comparatively minor amounts of BPA are also used as additives or modifiers in some commodity plastics. These materials are much more common but their BPA content will be low.

 

Plastics
As a major component

* Polycyanurates can be produced from BPA by way of its cyanate ester.
* Polyetherimides can be produced from BPA. They are used in medical devices and other high performance instrumentation.
* Polybenzoxazines may be produced from a number of biphenols, including BPA.
* Polysulfones can be produced from BPA and bis(4-chlorophenyl) sulfone forming poly(bisphenol-A sulfone) (PSF). It is used as a high performance alternative to polycarbonate.
* Bisphenol-A formaldehyde resins are a subset of phenol formaldehyde resins. They are used in the production of high-pressure laminates

 

As a minor component

* Polyurethane foams, and particularly memory foams, sometimes use the diacrylate and dimethacrylate derivatives of ethoxylated BPA as chain extenders.
* PVC can contain BPA and its derivatives through multiple routes. BPA is sometimes used as an antioxidant in phthalates,which are extensively used as plasticizers for PVC. BPA has also been used as an antioxidant to protect sensitive PVC heat stabilizers. Historically between 5 and 10% by weight of BPA was included in barium cadmium types, although these have largely been phased-out due health concerns surrounding the cadmium. BPA diglycidyl ether (BADGE) is used as an acid scavenger,
particularly in PVC dispersions, such as organosols or plastisols, which are used as coatings for the inside of food cans, as well as embossed clothes designs produced using heat transfer vinyl or screen printing machines.
* Bromination of BPA froms tetrabromobisphenol A (TBBPA), which is used as a flame retardant in plastics. TBBPA is mainly used as a reactive component of polymers, meaning that it is incorporated into the polymer backbone. It is used to prepare fire-resistant polycarbonates by replacing some bisphenol A. A lower grade of TBBPA is used to prepare epoxy resins, used in printed circuit boards. Its use is diminishing due to restrictions on brominated flame retardants.

 

Other applications
* BPA is used as an antioxidant in several fields, particularly in brake fluids.
* BPA is used as a developing agent in thermal paper (shop receipts). Recycled paper products can also contain BPA,although this can depend strongly on how it is recycled. Deinking can remove 95% of BPA,with the pulp produced used to make newsprint, toilet paper and facial tissues. If deinking is not performed then the BPA remains in the fibers, paper recycled this way is usually made into corrugated fiberboard.
* Ethoxylated BPA finds minor use as a 'levelling agent' in tin electroplating.

Specification:

 

Properties	Limits	Results	Test Methods
Appearance	White granular or flake, without mechanical	White granular, no mechanical impurities	Q/SSTPC(F)13037-2020
BPA,ω/%	≥ 99.9	99.93	Q/SSTPC(F)11029-2020
Phenol,w/%	≤ 0.005	0.0007	Q/SSTPC(F)11029-2020
2,4-isomer,w/%	≤ 0.050	0.013	Q/SSTPC(F)11029-2020
Crystallization point,ºC	≥ 156.0	156.7	GB/T 7533-1993
Melting color,Hazen	≤15	>15≤25	GB/T 3143-1982
Solution color,Hazen	≤ 10	2	GB/T 3143-1982
Water,ω/%	≤ 0.08	0.03	Q/SSTPC(F)13003-2020
---	---	---	---
Sampling Description
Conclusion	Inspector
CONFORMITY	Shen Jian Rong
Note: This product complies with Q / 370522LWY 023-2019 standard (specification)

 

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Packaging & Shipping

We have various of packages for different products and we are always pleased to satisfy customers' request.

Packaging:
750kg*20 jumbo bags,15ton/20'FCL;
750kg*35bags,26.25ton/FCL.

Shipping:
Promote shipping usually 7--14 days after receiving TT deposit or LC Original .



 

Company Profile

 

NearChem, a group company with a state-owned background in the chemical industry for over 20 years, serves as a nominated supplier for the top 50 chemical enterprises.

Shandong Near Chemical Co.,Ltd is located in the beautiful Yellow River Delta, the mouth of the Yellow River into the sea-Dongying City. With a registered capital of 30 million yuan, it was founded in 2011 and has grown rapidly with total assets 180 million yuan and 100 employees. Near Chemical is a comprehensive service company focusing on import & export of chemicals and domestic trade. We are integrating rich chemical resources along with individual customized services for all global clients.
Our company adheres to the market-oriented, committing to exploring the diversified international market, as well as the principle of honesty and trustworthiness. The clients of Near Chemical always come first.
In the past decade, Near Chemical has established a stable and friendly partnership with thousands of customers over 60 countries and regions. We have spread wide range of chemicals in various fields such as pharmacy, petroleum, animal husbandry, food processing, printing&dyeing, manufacturing industries etc. Near Chemical now has warehousing, trading, public utilities ,property management and other comprehensive entities, and gradually develop to collectivization, internationalization and Industrialization. Our company has a good development prospect and unlimited potential future. 
Our main production lines are including Methylene Chloride 30,000 tons/year, Maleic Anhydride 30,000 tons/year, Propylene Glycol 20,000 tons/year.  
Meanwhile, we specialized in offering the following chemicals: Aniline,Dimethyl Formamide,Isopropanol ,Toluene diisocyanate,Polyether Polyol,Polymer Polyol, Methyl Acetate, Ethyl Acetate, Butyl Acetate, Glacial Acetic Acid, Potassium Hydroxide, Nitrile Butadiene Rubber Latex, Caustic Soda, Dipropylene Glycol, Ethylene Glycol, Phenol, Phthalic Anhydride, Cyclohexanone, Thiourea, Barium Carbonate, Aluminum Chloride, Calcium Nitrate, N-propanol, Methyl Ethyl Ketone, Methanol, Ethanol, Cyclohexane, Dimethyl Carbonate,  Dichlorodifluoromethane, Dichlorofluoromethane, Trichloroethylene, Tetrachloroethylene, Epichlorohydrin, Sodium Hydroxide Liquid, etc.
We always carry out "quality first and service the best". 

Near Chemical, Near U, Warm the world.

Our Advantages

 

10 Years Experiences
Our products have been promoted to all over Europe,North&South America, Middle-east, Asia and pacific area as well as Africa,we have established long term cooperation with our clients.

Quality service
Adhering to the principle of "quality first,service the best" Near Chem insists on providing high-quality chemicals based on a complete Quality Assurance System. Meanwhile,we use SOP system to guarantee our whole logistics.  Near Chem has built a mutual trust under honesty and integrity principles with customers all around the world.And will keep promoting our commitment to better a nearer Chem to the world.  
 
24 hour service
24 hours quick and clear respond to our customers all around the world. Professional and individual after sales service to assure the Customer satisfaction.
 

FAQ

 

1 Q:Are you manufacturer?
A: Yes, We are the largest manufacture on Methylene Chloride, Chloroform and Aniline oil. And ready stock on cyclohexanone, Dimethyl Formamide, Propylene Glycol, Ethylene Glycol, Dimethyl Carbonate, Thiourea, Polyol, TDI, IPA, Ethanol etc.

2 Q: How can you guarantee your quality?
A: Our factory owns mature production line under EPR quality system. We can guarantee the stability and qualification of the raw materials. And we also have SOP loading system to ensure the safety and timely transportation.

3 Q: Can I get some samples?
  A:  Yes, we can supply samples free of charge, the courier shipping cost will be prepaid by customers.

4 Q: How to confirm the Product Quality before placing orders?
  A :  You can get free samples from us or taking our previous SGS Reports as reference or arrange SGS before loading.

5 Q: What is your MOQ?
A: Our MOQ is 20'FCL for each product.

6 Q: What kind of package do you have?
A: We have many different packages to meet needs of our customers,like Iron drums,plastic drums, IBC drums, Flexitank, ISO TANK and bags etc.


7 Q :Which kind of payment terms do you accept?
A: TT, LC at sight/ LC 90/120days payment terms are acceptable. 

8 Q:Can you give me a discount price?
A: Yes. It depends on your order qty.

9 Q: How about your delivery? How long is your delivery time?
A: Prompt and reliable delivery by professional shipping lines.
Generally it takes 14 days after deposit or original LC.