High liquidity and transparency cristobalite flour china supplier use for dental casting investment materials
USD $300 - $550 /Metric Ton
Min.Order:1 Metric Ton
Lianyungang Changtong Silica Powder co.ltd
Purity 99.9% White powder Enamel casting powder material cristobalite Supply around the world
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Cristobalite silica flour production introduction:
Cristobalite flour is melted under the high temperature, Then the silica will be much more pure and steady. The color is much white. After special grinding and separating process, the product has find particles and controllable particle size distribution. It is widely used in the fields of high-tech electronic materials, high grade paints, silicone rubber, special ceramic, etc.
Chemical Composition Analysis(XRF)%
ITEM | M3000 / M4000 / M6000 |
SiO2 | 99.5 |
Fe2O3 | 0.03 |
Al2O3 | 0.20 |
TiO2 | 0.02 |
K2O | 0.05 |
CaO | 0.01 |
particle size and Physical property
M3000 | M4000 | M6000 | method | ||
molecular sieve≥40μm | ≤1 | ≤0.04 | ≤0.02 | % | Alpine. |
D50 | 12 | 5 | 3 | μm | Malvern Laser diffr |
≥40μm | 6 | % | |||
≥30μm | 18 | 1 | % | ||
≥20μm | 32 | 3 | % | ||
≥15μm | 43 | 8 | 1 | % | |
v10μm | 50 | 22 | 3 | % | |
≥5μm | 71 | 49 | 24 | % | |
≥2μm | 84 | 77 | 67 | % | |
≥1μm | 95 | 92 | 89 | % | |
Density | 2.35 | 2.35 | 2.35 | Kg/dm3 | |
Volume Density | 0.7 | 0.46 | 0.42 | Kg/dm3 | |
Oil Absorption | 27 | 27 | 28 | g/100g | |
pH | 7.3 | 9 | 7.3 | ||
Moisture | 0.15 | 0.15 | 0.15 | % | |
L.O.T | ≤0.01 | ≤0.01 | ≤0.01 | % |
Packaging and storage transportation:
packaging: 25 kg / bag, 1000 kg / bagtranspotation:Non-dangerous goods,can be transported in accordance with ordinary goods .
About packing and delivery :
1.Packing : 25kg/bag ,then 1000kg/bag . 20-24mt/1x20container .we can pack it according your need too.
2.Delivery : It is not dangerous goods , can be delivered just as ordinary goods .
About Our Factory:
Lianyungang changtong silica powder co.,ltd locates established in 2009, we have been specializing in producing and sales experiences for almost 10 years .We are specializing in the production of silica powder ,with modern factory, advanced technology and equipment, and we can accept you to customize the different specifications according to your own needs .
We have sold our products worldwide , such as America,Brazil ,India ,Dubai ,Thailand ,Turkey and so on , we are experience in exporting , we know well about the trade terms.
We mainly produce crystalline form silica powder ,fused silica powder ,Coating grade silica powder , Electrician grade silica powder ,electron grade silica powder ,general silica powder ,Transparent powder for artificial stone, Crystal powder,high purity silica sand ,high purity silica powder 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.
FAQ :
1. Q : Does your company offer free sample ?
A : Yes ,we can offer free sample from 5kgs to 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: At your option , usually , It is lianyungang , nanjing ,qingdao ,shanghai ,tianjin port .
Certificate qualification:
Product standards and management system
(1) SJ/T 10675-2002
(2)This product is certified by ISO9001:2008