What does the term “flow properties” mean?

The flow behaviour of powders depends on many factors. The following applies in general: Coarser, dry grain types flow easily, but the fine the grains get, the stronger is the impact of morphology and various adhesive forces on the flow behaviour:

Van der Waals forces
Liquid bridges
Electrostatic interaction
The 4 most common methods for determining flow properties are
Shear cell
Angle of repose
Compressibility index or Hausner ratio
Flow rate through a nozzle
A product is usually considered as having good flow properties if it flows out of a silo without interruption or does not solidify during storage or transport.

More Questions

What are the main components used in the construction of bonded abrasives?

Abrasive grains – usually aluminum oxide or silicon carbide Bonding agent – usually a resin bond Spacing of grains within the bond – determine porosity and strength

What does the form factor (grain shape) indicate?

The description of the grain shape can range from “angular” to “acicular” to “spherical”. When the value of the dimensionless form factor is 1, the grain is spherical. The smaller the form factor, the pointier the grain.

Are you a trading company or manufacturer?

We are a manufacturing and trading combo,produce and export fused alumina for more than 10 years.

What is the d50 value?

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

What is the difference between aluminium oxide and white fused alumina?

Al2O3 alumina is the starting material of aluminium production, both of metallic aluminium and aluminium oxide. It is porous an has a large reactive surface.

Can you produce according to the samples?

Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.

What is the best way to store my abrasives?

The best way to have abrasive products retain maximum performance and work life is to store them properly. The bonding and backing materials used in abrasives are very sensitive to changes in temperature and humidity. Abrasives are best

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.

What is a mesh vs. Grit size?

If you take a (1) inch space and add wires to it, the number of openings within the 1″ space is defined as mesh. For example, if the 1″ space has ten openings for particles to fall through,

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.

How do i know what abrasive is best for my application?

An abrasive’s shape, hardness, and particle size really determine the effectiveness of a MicroBlasting application. Each application is unique, and abrasive selection depends on the composition of the targeted part and the application’s desired result. See our Abrasive Media

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

How long is your delivery time?

Around 30 working days after receiving prepayment.

Can you provide free samples?

Yes.FREE SAMPLES 5kg can be provided for your evalution.

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 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.

What is the hardness?

Hardness is rated from A-Z with ‘A’ being the weakest bond and ‘Z’ being the strongest. A weak bond is preferred for grinding harder materials while a stronger bond is desired for softer materials. A typical weak bond

What’s payment terms ?

Bank T/T, L/C at sight, Westunion.

Is sample parts testing available?

MicroBlasting is extremely efficient and precise, so it is hardly likely you will need to recycle abrasive, but it is important to know the risk involved. Unlike grit or bead blasting, a MicroBlasting system can only cycle abrasive

Sample cost is refundable or not?

Yes, Sample cost below 5 kgs can be refunded when bulk order confirmed,But freight cost for more than 1kg don’t be refunded.

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