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Depending on the bulk density, the following powders are distinguished: very heavy, heavy, medium and light. Relative density is the ratio of the bulk density to the true density. Porosity is the relative volume of free space (pores, voids) between powder particles. The powder’s ability to compress under pressure depends on these volumetric characteristics. Compaction (compression) ratio is the ratio of the height of the powder layer in the matrix to the height of the resulting tablet. The compression ability of powdered preparations is influenced by the shape of particles, the ability of the latter to move and deform under pressure. Compaction factor is a significant technological factor.
The higher the compaction ratio, the more time is spent on pressing, while more effort is also spent on pushing the tablet out of the depth of the matrix channel.
Pharmaceutical Glossary
Technical specifications
This is due to the granulation technology of the wet material, which involves repeated mixing and powdering. The mixing and powdering process not only introduces a large number of fine particles into the mixture, but also pulverizes it.
Non-granulated powders are characterized by their polyfractional composition and complex shape. The average particle size of non-granulated powders is 30 to 120 microns.
As practice shows, for pharmaceutical production it is more indicative to characterize all significant fractions of the powder in order to make a conclusion about the possibility of its use in the technology of this or that medicine.
For example, with the help of conducted researches at JSC “Chemical-Pharmaceutical Combine “AKRIHIN” the fractional composition of substances used in production was determined by microscopy (particles smaller than 100 microns) and sieve analysis (particles larger than 100 microns). When using sieve analysis, the material under study is divided into fractions by sieving through a standard set of sieves for 5 min, and then the mass of each fraction and its percentage content are determined.
Additional information
The obtained data on the shape of powder particles and their fractional composition are included in the internal quality specifications of substances. This will allow manufacturing companies to control the quality of incoming raw materials. Bulk (volumetric) density is the mass of a unit volume of freely dispersed powdery material. Bulk density is determined quite simply and can be a convenient indicator of the properties of powders, since it is a complex characteristic depending on the shape, particle size distribution, density, humidity, dispersibility of powders, their specific surface. The bulk density value can be used to predict the volume of the matrix channel of the tablet machine (see section 4.9). The bulk density is determined by freely pouring the powder into a defined volume (e.g. measuring cup) and then weighing it to the nearest 0.01 g. It is believed that bulk density affects bulkiness and can characterize it. The results of studies show that the flowability of powder improves with increasing bulk density, but this cannot be said for the finest fractions, for which the relationship between bulk density and flowability may be broken due to a sharp increase in internal friction forces.
Order status tracking
We have sent to info@minipress.ru photos of the damaged box with induction welding membrane machine FG-08. Please call back. 24/08/2024 13:48
Good day, Benjamin! Damage to the packaging is unfortunately a common practice in transportation. Please carefully unpack the shipment and send us a series of photos. We will take a look and take action. 24/08/2024 13:52
Good afternoon, please confirm that In the afternoon we will receive our shipment in Ljubljana? Contact the transportation company. 24/08/2024 13:58
Hello Sophia ! Representatives of the transportation company on the delivery status of your shipment said that it will be in Ljubljana in a few days. Please expect it. 24/08/2024 14:01
I've been calling your office since this morning, and no one's picking up the phone. 24/08/2024 14:08
Good afternoon, Samuel! The office will be open from 9:00 GMT. We'll be in touch. 24/08/2024 14:12
Vacuum powder conveyor QV-01 quantity of 3 pieces, need discount and delivery to Tulsa. 24/08/2024 14:18
Good day Sophia, in our catalog all prices are given including delivery to the door of the customer. If you buy 3 pieces we will make a discount of 7%. Delivery to Tulsa is included in the price. 24/08/2024 14:19
We're from New Jersey, we paid for the equipment on your invoice yesterday. Has the payment been received? How long will it take to deliver to us? 24/08/2024 14:28
Ella, hello. Payment is credited to our settlement account. Term of manufacture of your equipment by the factory 20 working days, delivery from the factory to our warehouse in the USA 1 month, delivery from the warehouse in Miami 15 calendar days. 24/08/2024 14:32
Good afternoon, please confirm that as agreed we will receive our shipment in Milan? Contact the transportation company. 24/08/2024 14:38
Hello Violet ! Representatives of the transportation company on the delivery status of your shipment said that it will be in Milan in a few days. Please expect it. 24/08/2024 14:40
Roman, can you tell me if my rotary tablet press RZJ-35 has been shipped yet? Don't send it yet, I will send to your factory in China drawings of new punches, different design. 24/08/2024 14:48
Good afternoon, Ella! We're pausing the shipment. Send drawings to the office mail. The terms of production of new punches 20 working days. 24/08/2024 14:51
Tell me the NJ-120 automatic capsule machine went ? 24/08/2024 14:58
Alexander, good afternoon. Yes, already tomorrow until 13:30 you will receive it. Taking into account the heavy weight of the equipment, we ask you to take care of unloading by forklift in advance. The transportation company does not provide unloading. Only delivery to the address. 24/08/2024 15:01
YR-90 dry and wet powder granulator YR-90 month has already passed. Hurry up the factory. 24/08/2024 15:08
Elijah, good afternoon. The factory has shipped your equipment to our representative, now is forming a consolidated shipment for shipment to customs. We will keep you informed. 24/08/2024 15:11
Today we were promised delivery of a blister machine for MN-14 tablets and capsules, remember us ? No one's called us back. 24/08/2024 15:18
Hello Gabriel, Our manager Natalya closer to evening will dial the driver, also we ask you yourself to the transportation company. 24/08/2024 15:21
- EQUIPMENT FOR COUNTING AND PACKAGING TABLETS AND CAPSULES IN BOTTLES
- EQUIPMENT FOR FILLING AND SEALING GLASS AMPOULES
- EQUIPMENT FOR THE PRODUCTION OF TABLETS
- EQUIPMENT FOR PRINTING LOGO ON TABLETS AND CAPSULES
- EQUIPMENT FOR FILLING HARD GELATIN CAPSULES WITH POWDER
- BOTTLE FILLING AND CAPPING EQUIPMENT
- EQUIPMENT FOR PACKING POWDERS INTO VIALS
- EQUIPMENT FOR PACKAGING TABLETS AND CAPSULES IN PLASTIC BOTTLES
- EQUIPMENT FOR WASHING AND STERILIZING BOTTLES
- SPRAY DRYING EQUIPMENT FOR SUSPENSIONS
- MACHINES FOR FORMING AND FILLING PLASTIC AMPOULES
- HIGH-PRECISION DOSING MACHINES POWDER FILLING MACHINES
- EQUIPMENT FOR COATING TABLETS
- EQUIPMENT FOR FILLING CREAMS AND SEALING PLASTIC TUBES
- MACHINES FOR THE PRODUCTION OF SUPPOSITORIES
- AUTOMATIC EQUIPMENT FOR REMOVING TABLETS AND CAPSULES FROM BLISTERS
- EQUIPMENT FOR POLISHING AND DEDUSTING TABLETS AND CAPSULES
- AUTOMATIC PHARMACEUTICAL CENTRIFUGES
- EQUIPMENT FOR VACUUM TRANSPORTATION OF POWDERS
- POWDER GRANULATION EQUIPMENT
- EQUIPMENT FOR HOMOGENIZING CREAMS AND OINTMENTS
- EQUIPMENT FOR EFFICIENT MIXING OF POWDERS
- EQUIPMENT FOR SCREW FEEDING OF POWDERS
- EQUIPMENT FOR AUTOMATIC BOTTLE FEEDING FOR FILLING LINES
- EQUIPMENT FOR PACKAGING BULK MATERIALS IN PLASTIC BAGS
- EQUIPMENT FOR WRAPPING CARDBOARD BOXES WITH CELLOPHANE
- EQUIPMENT FOR METAL DETECTOR IN GELATIN CAPSULES AND TABLETS
- EQUIPMENT FOR WEIGHT CONTROL AND SORTING OF CARDBOARD BOXES WITH MEDICINE
- AUTOMATIC EQUIPMENT FOR SELF-ADHESIVE LABELS ON PACKAGING
- EQUIPMENT FOR PACKING TEA INTO TEA BAGS WITH THREAD AND LABEL
- EQUIPMENT FOR PACKAGING TABLETS IN STRIPS AND TUBES
- FLOW-PACK PACKAGING MACHINES
- EQUIPMENT FOR FILLING LIQUIDS IN PLASTIC AND METAL BARRELS
- EQUIPMENT FOR INDUCTION SEALING OF ALU FOIL BOTTLES
- AUTOMATIC CARTONING MACHINES
- EQUIPMENT FOR THE MANUFACTURE AND PACKAGING OF WET ALCOHOL WIPES
- EQUIPMENT FOR PACKAGING PRODUCTS IN A FLOW PACK
- AUTOMATIC EQUIPMENT FOR BLISTER PACKAGING
- EQUIPMENT FOR PACKAGING FOOD PRODUCTS IN DOY-PACK PACKAGES
- EQUIPMENT FOR FILLING AND PACKAGING HERBAL TINCTURES
- EQUIPMENT FOR VACUUM PACKAGING IN PLASTIC BAGS
- EQUIPMENT FOR APPLYING THE EXPIRATION DATE AND BATCH NUMBER TO PRODUCTS
- EQUIPMENT FOR LABORATORY TESTING OF MEDICINES
- SEMI-AUTOMATIC EQUIPMENT FOR FILLING GELATIN CAPSULES
- EQUIPMENT FOR MIXING LIQUIDS WITH MICROWAVE HEATING
- PERISTALTIC PUMPS DISPENSERS
- EQUIPMENT FOR THE PRODUCTION OF FISHING BOILIES
- EQUIPMENT FOR AUTOMATIC DOSING OF CREAMS AND OINTMENTS
- DESKTOP EQUIPMENT FOR LIQUID DOSING
- EQUIPMENT FOR VIBRATING SIEVING OF POWDERS
- DESKTOP EQUIPMENT FOR HIGH-SPEED EMULSION PRODUCTION
- DESKTOP EQUIPMENT FOR MIXING POWDERS
- EQUIPMENT FOR POWDERING PHARMA RAW MATERIALS
- SEMI-AUTOMATIC EQUIPMENT FOR BLISTER PACKAGING
- MANUAL EQUIPMENT FOR FILLING GELATIN CAPSULES WITH POWDER
- MACHINES PRINTING EXPIRATION DATE AND LOT NUMBER
- EQUIPMENT FOR FILLING HARD GELATIN CAPSULES WITH POWDER
- EQUIPMENT FOR WASHING AND STERILIZING BOTTLES
- EQUIPMENT FOR COUNTING AND PACKAGING TABLETS AND CAPSULES IN BOTTLES
- SPRAY DRYING EQUIPMENT FOR SUSPENSIONS
- EQUIPMENT FOR PACKAGING TABLETS AND CAPSULES IN PLASTIC BOTTLES
- MACHINES FOR FORMING AND FILLING PLASTIC AMPOULES
- EQUIPMENT FOR PRINTING LOGO ON TABLETS AND CAPSULES
- AUTOMATIC EQUIPMENT FOR REMOVING TABLETS AND CAPSULES FROM BLISTERS
- EQUIPMENT FOR FILLING AND SEALING GLASS AMPOULES
- EQUIPMENT FOR COATING TABLETS
- EQUIPMENT FOR THE PRODUCTION OF TABLETS
- BOTTLE FILLING AND CAPPING EQUIPMENT
- EQUIPMENT FOR PACKING POWDERS INTO VIALS
- MACHINES FOR THE PRODUCTION OF SUPPOSITORIES
- EQUIPMENT FOR POLISHING AND DEDUSTING TABLETS AND CAPSULES
- EQUIPMENT FOR FILLING CREAMS AND SEALING PLASTIC TUBES
- HIGH-PRECISION DOSING MACHINES POWDER FILLING MACHINES
- EQUIPMENT FOR EFFICIENT MIXING OF POWDERS
- EQUIPMENT FOR AUTOMATIC BOTTLE FEEDING FOR FILLING LINES
- AUTOMATIC PHARMACEUTICAL CENTRIFUGES
- EQUIPMENT FOR SCREW FEEDING OF POWDERS
- POWDER GRANULATION EQUIPMENT
- EQUIPMENT FOR VACUUM TRANSPORTATION OF POWDERS
- EQUIPMENT FOR HOMOGENIZING CREAMS AND OINTMENTS
- EQUIPMENT FOR WEIGHT CONTROL AND SORTING OF CARDBOARD BOXES WITH MEDICINE
- FLOW-PACK PACKAGING MACHINES
- EQUIPMENT FOR PACKAGING FOOD PRODUCTS IN DOY-PACK PACKAGES
- AUTOMATIC CARTONING MACHINES
- EQUIPMENT FOR INDUCTION SEALING OF ALU FOIL BOTTLES
- EQUIPMENT FOR WRAPPING CARDBOARD BOXES WITH CELLOPHANE
- EQUIPMENT FOR PACKAGING PRODUCTS IN A FLOW PACK
- EQUIPMENT FOR FILLING AND PACKAGING HERBAL TINCTURES
- EQUIPMENT FOR PACKING TEA INTO TEA BAGS WITH THREAD AND LABEL
- EQUIPMENT FOR METAL DETECTOR IN GELATIN CAPSULES AND TABLETS
- EQUIPMENT FOR VACUUM PACKAGING IN PLASTIC BAGS
- EQUIPMENT FOR PACKAGING TABLETS IN STRIPS AND TUBES
- EQUIPMENT FOR FILLING LIQUIDS IN PLASTIC AND METAL BARRELS
- EQUIPMENT FOR APPLYING THE EXPIRATION DATE AND BATCH NUMBER TO PRODUCTS
- AUTOMATIC EQUIPMENT FOR SELF-ADHESIVE LABELS ON PACKAGING
- EQUIPMENT FOR THE MANUFACTURE AND PACKAGING OF WET ALCOHOL WIPES
- EQUIPMENT FOR PACKAGING BULK MATERIALS IN PLASTIC BAGS
- AUTOMATIC EQUIPMENT FOR BLISTER PACKAGING
- PERISTALTIC PUMPS DISPENSERS
- DESKTOP EQUIPMENT FOR LIQUID DOSING
- EQUIPMENT FOR THE PRODUCTION OF FISHING BOILIES
- DESKTOP EQUIPMENT FOR MIXING POWDERS
- SEMI-AUTOMATIC EQUIPMENT FOR BLISTER PACKAGING
- EQUIPMENT FOR AUTOMATIC DOSING OF CREAMS AND OINTMENTS
- MANUAL EQUIPMENT FOR FILLING GELATIN CAPSULES WITH POWDER
- EQUIPMENT FOR MIXING LIQUIDS WITH MICROWAVE HEATING
- MACHINES PRINTING EXPIRATION DATE AND LOT NUMBER
- SEMI-AUTOMATIC EQUIPMENT FOR FILLING GELATIN CAPSULES
- EQUIPMENT FOR POWDERING PHARMA RAW MATERIALS
- DESKTOP EQUIPMENT FOR HIGH-SPEED EMULSION PRODUCTION
- EQUIPMENT FOR VIBRATING SIEVING OF POWDERS
- EQUIPMENT FOR LABORATORY TESTING OF MEDICINES