Optical brightener OB-1

Code:
Molecular formula:	C28H18N2O2
Molecular weight:	414.4547
Molecular Structure:
CAS#:	1533-45-5
EINECS#:	216-245-3

Specifications:	1.Chemical name: 2,2-(1,2-Ethenediyldi-4, 1-phenylene) bisbenzoxazole Molecular weight: 414.4 C.I: 393 2.Specifications Ash % 0.3max Empirical Formula C28H18N2O2 Melting Point(DTA),C 353-359 Appearance Yellowish Green Powder Odor Free of odor Volatile Content % 0.3max Assay % 99min Particle Size 200 meshes 3.Performance Features�� 1)Of high brightening intensity and strong fluorescence. 2) Of wide usage in brightening polyester, nylon fiber and all kinds of plastics. 3) Carries good resistance to high temperature. 4.Scope of Application�� 1)Goes for the brightening of such chemical fibers of polyester, nylon and polyprolylene. 2) Goes for the whitening and brightening of polypropylene plastic, hard PVC, ABS, EVA, polystyrene, polycarbonate, etc. 3) Applicable to be added in the general polymerizations of polyester and nylon. 5.Application Methods�� Recommended quantity: brightening agents of OB-1 in every 1000kg raw material: 1) Of 75��200g in EVA, polyprolylene, nylon, polycarbonate, and so on. 2)Of 75��300g in terylene fiber. 6.Packing Storage��Packed in 15kg×1.5kg×4 tanks or 5kg×2 paper boxes at cool and dry places to be protected from light.

Company Information

Tianjin Chengmai Import and Export Trading Co, Ltd is located in Tianjin city, China, near to Xin port. The main products include electrolytic copper, copper wire, copper rod, aluminum ingot, aluminum alloy bar, aluminum alloy ingot, lead ingot, tin ingot, zinc ingot, zinc alloy and rubber products. After years of research on the global market, we have established stable cooperation relationship with a lot of countries. Tianjin Chengmai owns workshops with annual production capacity of more than 100000 tons, the products have obtained ISO9002 quality system certification and CCC certification. The professional working team always provide customers excellent service.

FAQ

Q: Can I get product's sample before I sign the contract?
A: For samples, 0.5 KG is available for quality check and market test, delivery time within 3 working days.

Q:What is your terms of delivery?
A:We accept FOB, CFR, CIF, etc. You can choose the most convenient way for you.

Q: What about your payment term?
A: Usually T/T 30% deposit and 70% against copy of bl or T/T 40% deposit and 60% L/C.

Q: What about your delivery date in normal conditions?
A: We send the cargo within 5 working days after receiving deposit, and usually within 50 days arrives to your appointment port.

Q: what is your ability?
A: For waste copper wire, annual output is 30000 tons. The annual output of aluminum ingot is 80000 tons. The annual output of zinc ingot is about 50000 tons.

Q: how is your product packaging?
A: usually according to the customer's requirements. Commonly used packaging information: small bundle, large bulk packaging, some sizes with plastic cover to protect both ends, seaworthy packaging.

Q: what are your main markets and customers?
A: we are an export company specializing in production and processing, capable of production and international trade. For all
customers who are looking for high quality products all over the world.

Q: if there is a quality problem with the product, what will you do?
A: we will be responsible for all quality problems to the end.

Q: how can I get an accurate price / quotation from you?
A: please tell us your product demand and the product you are looking for. We will send you the the most cheap quotation as soon as possible.