Fluorescent brightener KCB

Chemical name: 1,4-bis(benzoxazolyl-2-yl)naphthalene Properties and characteristics: This product is bright yellow-green powder, non-toxic, tasteless, insoluble in water, excellent in light resistance and heat resistance, not with The reaction of foaming agent, cross-linking agent, etc., no bleed out and extractability, and the maximum absorption wavelength of the spectrum is 370 NM. Scope of application: Brightener KCB is mainly used for whitening of synthetic fibers and plastic products, and also has obvious brightening effect on colored plastic products. It is widely used in plastic film, laminating materials, injection molding materials, etc. PVC foaming, PVC, TPR, EVA and PU foaming, synthetic rubber, etc. have excellent whitening effect, and can also be used for whitening of paints, natural lacquers, etc., for foamed plastics, especially EVA, PE foam Special effects. Application method: Recommended dosage: 0.005%-0.05% (weight ratio with plastic materials). Technical indicators: Appearance: yellow-green powder, shade: bright blue and white, melting point: 210-212 ° C, purity: ≥ 98%, fineness > 100 mesh. Packing and storage: 25kg cardboard drum, stored in a cool, dry place away from light. 'Fluorescent whitening agent KCB

C steel purlin

 

C Steel Purlin is composed of automatic processing C steel purlin molding machine molding. The C steel purlin molding machine can automatically complete the molding process of the C steel purlin according to the given size of the C steel. C steel purlin is formed by bending coil thin wall, light weight, high strength, excellent section properties, compared with traditional channel, the same strength can save 30% of the material.

 

Description of C steel purlin:

Material: Q235, Q345

Size: C120-320

Thickness: 0.8-3mm

Length: 1-12m according to your requirement

Standard: AISI ASTM BS DIN GB JIS ETC

Surface: Painted or hot dip galvanized

Application:Support roof, Steel structure, purlin, Warehouse/ factory wall/ makeshift house

Package:Standard seaworthy bulk package by 20ft/40ft        container or as customer request

Delivery time: Within 15 days after we get your deposit

Payment:T/T, L/C, Western Union

C Steel Purlin


FAQ:

 

1. Q: Are you a manufacturer?                      

Yes, we are a manufacture with our own steel structures factory.

2. Can you do the OEM producing?

Yes, we can.

3. What`s the MOQ?

Usually,it`s 25tons.




C Steel Purlin

C Steel Purlin,Steel Frame Steel Purlins,C Purlins,Steel Purlins

Shijiazhuang Zhouming Steel Building Materials Co., Ltd. , http://www.zmsteels.com