What is melting vs. Sintering?

When processing minerals in a furnace, materials can either be melted or sintered. When materials are melted during the production process the minerals go from a solid state, to a liquid state, then is re-solidified during the cooling process creating uniformity in the chemistry throughout the entire batch. The sinerting process heats the minerals in the furnace to two-thirds the melting point creating a spongy state. In the spongy state, materials can “stick” to each other and re-harden as a bonded pair. Sintered materials are not as uniformed, strong or pure compared to materials that are melted.

More Questions

Can you customized quality, size, package according to customer?

Yes, of course. The OEM is available. We will do the creation in your requirement and make ur image come true.

What is the d50 value?

The d50 indicates the mean particle size. d50 means that 50% of particles fall within the specified grain size.

Which measurement methods are applied?

Dynamic image analysis (DIA) Static light scattering (SLS, also called laser diffraction) Screen analysis Impedance method Sedimentation

What is fepa and what does it do?

FEPA is the Federation of European Producers of Abrasives. Its mission is to develop and publish standards, documents and comprehensive safety instructions for the abrasive industry. Abrasive grain sizes are produced and sold according to the FEPA standard,

How do i prevent moisture contamination in the abrasive?

Moisture contamination is the number one reason customers call Technical Support. Fortunately, it is usually preventable. There are 4 key ways to keep your abrasive free of moisture:1.Store abrasive properly and always make sure bottles are tightly closed

What is your sample policy?

We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and the courier cost.

What is your terms of delivery?

EXW, FOB, CFR, CIF, DDU.

Which method of transport would be better?

Generally, we suggest to make shipment by sea which costs less. We also can follow other transportation method you asked.

How long is your delivery time?

Around 30 working days after receiving prepayment.

What’s lead time for bulk order?

1)for 5~25 tons, it takes around 10~15days. 2)For 26~200 tons,20-40days We will try to deliver it with the promise of quality guarantee as soon as possible

Type of glue required:

This decision is made by the type of abrasive you have selected or the type of process you will be performing. Glue – A straight animal hide glue that is used to adhere the abrasive particles to the

What is porosity?

Porosity is defined as the gas proportion (cavity volume) of a particle’s total volume. It can be determined using different measurement techniques, such as gas adsorption and mercury porosimetry. With the same grain size and shape, a lower

Are you a manufacturer or trader ?

Yeah, We are the manufacturer of BFA, WFA, GC. Also,we had good business relationship with others abrasive media & refractory raw materials manufacturer . more over we have QC department which make strict inspection on goods quality, packing,

Will the same product from two different manufacturers perform the same if they are marked the same?

This is a hard question to answer in a short space. While the markings mean the wheels should perform the same, differences in factory equipment and marking systems may make one product behave differently than another. They should

What grit do i use for my finishing application?

If you are roughing, choose a 36 to 80 grit. If you are intermediate grinding, use 80 through 180 grit. If you are finishing, use 220 through 240 grit.

Form and shape of the abrasive:

This decision is made by determining how the abrasive will be used by the individual. Abrasives are sold in forms such as sheets, large/small discs, belts, and large/small rolls. Selecting the right form is determined by whether the

What are the different types of abrasive bonds used in coated abrasives?

Glue – A system where both coats are made of animal glue is used when the strength of the bond is not an important factor, such as with lightweight papers and materials. Phenolic Resin – This system uses

What is silicon carbide?

Silicon carbide is a chemical compound of silicon and carbon and belongs to the group of carbides. The chemical formula is SiC.Silicon carbide is at the same time the hardest and lightest ceramic material and is also highly

What is the refractive index of white fused alumina compared with that of glass?

The refractive index of fused alumina is approx. 1.76, whereas that of normal glass types is approx. 1.4. The closer the refractive indices are to each other, the more transparent the system (e.g. varnishes).

Can customer ask for the third party certification?

Yes, No problem, but Customer resposiable for the charge.

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