Optical Brightener ER Product Features and Characteristics:
1. Yellow-green crystal, insoluble in water, soluble in most organic solvents, with blue-violet fluorescence.
2. It has ideal light fastness and sublimation fastness characteristics;
3. It is relatively stable for reducing agents, oxidants and hypochlorous acid compounds;
4. The fluorescence intensity of ER-1 brightener is very high, and only a small amount of addition can meet the requirements of whiteness.

Optical Brightener ER Scope of Application:
Fluorescent brightener ER is very suitable for the whitening and brightening of polyester fiber. It also has a good whitening effect on polyethylene, polypropylene, polyvinyl chloride, etc. and products. It is not only suitable for exhaust dyeing but also for pad dyeing process, which can obviously improve the product grade.

Packing: 25kg drum for Factory Supply Textiles Dyestuffs CAS 13001-39-3 Optical Brightener Er Er-II Er-III for Printing and Dying

Factory Supply Textiles Dyestuffs CAS 13001-39-3 Optical Brightener Er Er-II Er-III for Printing and Dying

Q1: Competitive Price?
We provide high quality products with competitive price in China. 

Q2: Low MOQ?
No worry about the low MOQ, our MOQ is 1 kg.

Q3: High Quality?
We have strict quality system to control every step of the production to guarantee best quality.

Q4: Inspection?
Four steps: sampling, sample pretreatment, measuring and data processing.We will provide test samples for check quality of products, before the shipping, we will send pre-ship samples to check really products. 

Q5: Producing?
Full-time inspectors through check the operator self-inspection, and review and sign in the corresponding record. Full-time inspection is responsible for inspection of finished product, and make the finished product incoming inspection records.

Q6: Delivery?
Small Order shipped by courier, Bulk order shipped by air or sea. Delivery time depends on your order quantity. If the goods were lost, please contact us Immediately. We will inform you all at every stage of shipping.

Q7: Packaging?
we can provide stardard package, we also can provide special package according to customer's requirement.

Q8: 24h Service?
Fast respond save client's time, we promise to reply inquiry in 24 hours.

Q9: Payment method?
Western Union, MoneyGram, Paypal, TT, LC, OA, DP.