Optical lenses, sunglasses, eyewear frames, watches.FOB, CIF
Lenses, frames, glasses.
Optical product like sunglass frames, contact lens.
Swiss movements watches, original watch box, designed hand bags, apparels, sunglasses, optical frames.
TR90 frame, handmade acetate frame, metal frame, sunglasses and optical accessories.
Sunglasses, Fashion Accessories..
1550nm 1x2 Optic Polarization Beam Splitter.
Handmade accessories for women, men, kids like sunglasses, chains.Transportation and shipping
Camera lens,optical lens.
Accessories Sunglasses and Shoes.
Safety spectacles, safety goggles, sports eyewear, , safety prescription, glasses, childrens safety eyewear.
Sunglasses and watches.
Microfiber lens cleaning cloth, microfiber punch, eyeglass case, spray.
Digital cameras, lenses, tripods, binoculars and related photographic and video graphic equipments.
Crystal resonator, crystal oscillator, crystal filter.Manufacturer
Products Information: Products Name: OPTICALBRIGHTENER OB-1; Color Index No: C.I.393 Synonyms: FBA 393; OBA 393,Fluorescent Brightener OB-1; Optical Brightener Agent OB-1 Molecular Formula:C28H18N2O2 Molecular Weight:414 CAS No:1533-45-5 EINECS No: 216-245-3 Appearance: Light yellowish green powder Melting point:358 Assay:98.5% Fineness: 200 meshes Molecular Structure: Features Optical Brightener OB-1has excellent high temperature resistance. It has wide range ofapplication, and is used for the whitening of nylon fiber, polyesters, andvarious plastics. It has outstanding brightening ability and gooddispersibility. It also has good adaption and weather resistance Applications OpticalBrightener OB-1 can be used on polyester fiber, nylon fiber, polypropylene,hard PVC, ABS, EVA, PS, polycarbonate etc. For high temperature resistantplastics, only ob-1 can be used, and the addition amount of optical brightenerob-1 is small and the whitening degree is high. Reference dosage: Every 1000kg materials to add OB-1 brightener: 1, EVA, polypropylene, nylon, polycarbonate in the amount of 75-200 g. 2. The adding amount of polyester fiber is 75g- 300g Package & Storage: 10kg or 25kg/ fiber drums. It can bepacked in other forms according to user's requirements. Shelf life: not more than 24 months inthe room temperature.
Chicken paws, chicken feet, beef offal, rice, sunflower oil, mining equipment, safety boots, earplugs, goggles, nose masks, overall, helmet, reflectors and hand gloves.Trading
Contact lenses, construction materials.
Wide angle, attachment lens.
Automotive, hotel equipment, photo studio equipoment, music equipment, book cover, body bags, folder for car documents, bed covers, sleeves.
