Lianyungang Changtong Silica Powder Co.ltd

Silica Powder Introduction Silica powder has the advantages of excellent dielectric properties ,Low coefficient of thermal expansion, Complete chemical inertness and Neutral PH ,No chemical changes or induced reactions occur in either a catalyst or multicomponent.   ChangTong silica power co. Ltd’s high purity silica power is produced for the electronic materials area ,sealants, electronic potting compound area . Its dispersion leveling is excellent, contraction and Coefficient of thermal expansion are small, Acid alkali resistance ,solvent insulation,,mechanical performance, Mixed epoxy resin transparency are all good. In total ,our excellent silica power can save cost and improve effectiveness for you .   Silica Powder Properties Items Unit Typical testing value Moisture % 0.08 L.O.T. % 0.1 SiO2 % 〉99.6 Fe2O3 % 0.013 Al2O3 % 0.24 K2O % 0.003 CaO % 0.02 Na2O % 0.004 Mohs hardness 7 Density g/cm3 2.65 PH 6.5-7.0 whiteness 〉90 Oil Absorption (g/100g) 16-30 Melting point (℃) 1730 Silica Powder Application Production Mesh witness Mons Performance Characteristics For silicon rubber use 1000-3500 ≥ 95 7 1.Super White; 2.Extremely low moisture; 3.Good insulativity; 4.great reinforcing effect; For paint coating use 600-2500 ≥ 95 7 1.High White; 2.Good Oil absorption,mix viscosity, dispersity, mobility; 3.Small angle of repose,rub resistance; For sealant use 800-2000 ≥ 92 7 1.Moisture0.1%; 2.Highly improve colloid bonding strength,yield value,Shear stress dilution index; 3.Great Thickening, reinforcing effect,anti-tear,aging-resistant; For rubber use 1250-5000 ≥ 92 7 1.Good permeability, dispersity,bonding strength; 2.Great improve rub resistance; Epoxy flooring use 600-1250 ≥ 92 7 1.low viscosity;Good mobility ; 2.Easy compaction;Easy to combine with epoxy flooring; 3.Save more epoxy flooring than traditional silica powder; For electronic packaging use 2000-5000 ≥ 92 7 1.Good mobility ; 2.Good Anti overflow material performance; For refractory use 2000-5000 ≥ 92 7 1.Good mobility,agglutinating property, associativity,Filling blowhole performance; 2.Make refractory dense structure,High strength,rub resistance,resistant to corrosion; Silica Powder Packaging & Shipping 1.Packing : 25kg/bag ,then 1000kg/bag . 20-25mt/1x20container .                   we can pack it according your need too.   2. Delivery : It is not dangerous goods , can be delivered just as ordinary goods . Company Introduction  Lianyungang changtong silica powder co.ltd established in 2009. We have been experience in producing and sales for almost 10 years .We are specializing in production of silica powder, silica sand, fused silica, cristobalite.We can accept you to customize the different specifications according to your own needs .    We have sold our products to America,Brazil ,India ,Dubai ,Thailand ,Turkey and so on. We appreciate the opportunity to meet your silica need.    Please kindly contact us right now if you're looking for a professional manufacture. Silica Powder FAQ 1. Q : Does your company offer free sample ? A : Yes ,we can offer free sample within 25kgs. 2. Q : Does your company accept any factory inspection ? A : Yes ,we accept customer inspection and third party inspection . 3. Q : Can you provide technical support ? A :yes ,we can provide on line technical assistance or on site technical guidance . 4. Q :what’s your MOQ ? A:I Ton , (sample can be as minimum as possible ) 5. Q : can you offer free sample ? A : yes ,we can provide sample free for your testing . 6. Q : what’s your delivery time ? A:within 15 days after receiving deposit . 7. Q : what’s your export port ? A: lianyungang , nanjing ,qingdao ,shanghai ,tianjin port .