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Pressability can be evaluated by the compressive strength of the tablet. Pressability is characterized by the strength of the model tablet after stress relief. The better the compressibility of the powder, the higher the strength of the tablet. If the pressability is low, the tablet is not strong and sometimes completely collapses when pushed out of the matrix. Tablet strength to a certain extent determines the technology of the granulation and tabletting process. It is established that for substances with tablet strength: above 7 kg/cm2 pure solvents are used for the granulation process; if they are coarse powders with good friability, they are pressed directly, i.e. by direct pressing; at 4-7 kg/cm2 it is enough to use conventional binders; at 1-4 kg/cm2 it is necessary to use high-performance binders. Pressability is determined by the surface energy of powder materials, their plastic deformation and brittleness. Based on the results of determining the pressability of tablet masses make a conclusion about the technology of tabletting.
Pharmaceutical Glossary
Technical specifications
The factors listed above are related in a contradictory way. For example, flowability increases with increasing particle size, but at the same particle size distribution it can be different due to different specific surface area. In almost all cases, the flowability of powders, as measured by funnel flow time, decreases with decreasing particle size due to an increase in the contact area. Spherical particles have better flowability than, for example, needle or lamellar particles. A decrease in bulk density reduces fluidity, but for the same bulk density substances will have different fluidity, as it depends on the shape of the particles and the coefficients of inter-particle friction. Most often, fluidity is determined by the rate of pouring a certain amount of material (30-100 g) from a metal or glass funnel with strictly specified geometric parameters and by the angle of natural slope.
Additional information
This technological characteristic can be used in the selection of tabletting technology. Powdery mixtures containing 80-100 % of fine fraction (particle size less than 20 microns) are poorly dosed, therefore it is necessary to carry out directed particle enlargement of such mixtures, i.e. granulation. If the content of the fine fraction is up to 15 %, it is possible to use the method of direct pressing. Pressability is the ability of powder particles to cohesion under pressure, i.e. the ability of particles under the influence of electromagnetic forces (molecular, adsorption, electrical) and mechanical meshing to mutual attraction and adhesion with the formation of a stable strong pressing. In this case, the powder particles seem to fuse, stick together, adhere to each other to form a homogeneous solid.
Order status tracking
Granulator for wet granulation ZL-25 and Mixer V-shaped for powders VM-05 under contract No. 15 inform. 31/05/2025 03:01
Hello Lucas, The shipment has arrived at the customs terminal, after lunch is scheduled to be transferred to the transportation company. 31/05/2025 03:04
We received our order (BG-150 film coating boiler) in the box there was no spraying nozzle !!! 31/05/2025 03:11
Hello Abigail, we checked with the factory. Your nozzle was not received in time for the shipment of the main machine. We will now deliver it to you by DHL express mail. 31/05/2025 03:12
I've been calling your office since this morning, and no one's picking up the phone. 31/05/2025 03:21
Good afternoon, Evelyn! The office will be open from 9:00 GMT. We'll be in touch. 31/05/2025 03:22
We have sent to info@minipress.ru photos of the damaged box with induction welding membrane machine FG-08. Please call back. 31/05/2025 03:31
Good day, Layla! 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. 31/05/2025 03:32
Can your technician come to Ljubljana? We need technologist consultation and assistance. 31/05/2025 03:41
Michael, We have already received your email. A technician tomorrow until 17:30 will contact you. Don't worry. 31/05/2025 03:43
Remember me? There's a delivery in the Saint Petersburg 31/05/2025 03:51
Sofia, Hello! We remember all our customers. your blister honey filling machine model MN-82 will be closer to evening in Saint Petersburg . 31/05/2025 03:53
The MZ-10 expiration date and date handheld printer has still not been delivered. The driver did not answer and dropped calls yesterday. 31/05/2025 04:01
Hello Benjamin, Transportation has advised that in the morning driver will definitely deliver the box to your address. We apologize. 31/05/2025 04:03
Can your technician come to Rome? We need technologist consultation and assistance. 31/05/2025 04:11
Abigail, We have already received your email. A technician between 16:00-18:00 will contact you. Don't worry. 31/05/2025 04:15
I would like to discuss the purchase of model FK-05 - capping and screw cap machine. 31/05/2025 04:21
Good day. You can call on tel. +79853643808 or to the mail specified on the site. Ava, this chat is only for tracking shipments. 31/05/2025 04:22
Vacuum lyophilic freeze dryer LG-30, can we get faster than the contract ? 31/05/2025 04:31
Hello Chloe, Shipments go through several time stages. Manufacturing, delivery from the factory to the warehouse in Beijing or Shanghai, waiting for batch collection, customs clearance and delivery. It's hard to predict. 31/05/2025 04:34
- EQUIPMENT FOR FILLING CREAMS AND SEALING PLASTIC TUBES
- EQUIPMENT FOR WASHING AND STERILIZING BOTTLES
- BOTTLE FILLING AND CAPPING EQUIPMENT
- EQUIPMENT FOR PRINTING LOGO ON TABLETS AND CAPSULES
- EQUIPMENT FOR PACKING POWDERS INTO VIALS
- EQUIPMENT FOR THE PRODUCTION OF TABLETS
- EQUIPMENT FOR COUNTING AND PACKAGING TABLETS AND CAPSULES IN BOTTLES
- MACHINES FOR THE PRODUCTION OF SUPPOSITORIES
- EQUIPMENT FOR PACKAGING TABLETS AND CAPSULES IN PLASTIC BOTTLES
- EQUIPMENT FOR FILLING AND SEALING GLASS AMPOULES
- HIGH-PRECISION DOSING MACHINES POWDER FILLING MACHINES
- AUTOMATIC EQUIPMENT FOR REMOVING TABLETS AND CAPSULES FROM BLISTERS
- EQUIPMENT FOR FILLING HARD GELATIN CAPSULES WITH POWDER
- EQUIPMENT FOR COATING TABLETS
- MACHINES FOR FORMING AND FILLING PLASTIC AMPOULES
- SPRAY DRYING EQUIPMENT FOR SUSPENSIONS
- EQUIPMENT FOR POLISHING AND DEDUSTING TABLETS AND CAPSULES
- EQUIPMENT FOR AUTOMATIC BOTTLE FEEDING FOR FILLING LINES
- EQUIPMENT FOR HOMOGENIZING CREAMS AND OINTMENTS
- POWDER GRANULATION EQUIPMENT
- EQUIPMENT FOR SCREW FEEDING OF POWDERS
- AUTOMATIC PHARMACEUTICAL CENTRIFUGES
- EQUIPMENT FOR EFFICIENT MIXING OF POWDERS
- EQUIPMENT FOR VACUUM TRANSPORTATION OF POWDERS
- AUTOMATIC EQUIPMENT FOR BLISTER PACKAGING
- EQUIPMENT FOR INDUCTION SEALING OF ALU FOIL BOTTLES
- AUTOMATIC EQUIPMENT FOR SELF-ADHESIVE LABELS ON PACKAGING
- EQUIPMENT FOR FILLING LIQUIDS IN PLASTIC AND METAL BARRELS
- EQUIPMENT FOR PACKAGING PRODUCTS IN A FLOW PACK
- EQUIPMENT FOR PACKAGING TABLETS IN STRIPS AND TUBES
- EQUIPMENT FOR VACUUM PACKAGING IN PLASTIC BAGS
- FLOW-PACK PACKAGING MACHINES
- EQUIPMENT FOR METAL DETECTOR IN GELATIN CAPSULES AND TABLETS
- EQUIPMENT FOR FILLING AND PACKAGING HERBAL TINCTURES
- EQUIPMENT FOR THE MANUFACTURE AND PACKAGING OF WET ALCOHOL WIPES
- EQUIPMENT FOR APPLYING THE EXPIRATION DATE AND BATCH NUMBER TO PRODUCTS
- EQUIPMENT FOR WRAPPING CARDBOARD BOXES WITH CELLOPHANE
- EQUIPMENT FOR PACKAGING FOOD PRODUCTS IN DOY-PACK PACKAGES
- EQUIPMENT FOR PACKING TEA INTO TEA BAGS WITH THREAD AND LABEL
- EQUIPMENT FOR PACKAGING BULK MATERIALS IN PLASTIC BAGS
- EQUIPMENT FOR WEIGHT CONTROL AND SORTING OF CARDBOARD BOXES WITH MEDICINE
- MANUAL EQUIPMENT FOR FILLING GELATIN CAPSULES WITH POWDER
- EQUIPMENT FOR VIBRATING SIEVING OF POWDERS
- DESKTOP EQUIPMENT FOR HIGH-SPEED EMULSION PRODUCTION
- EQUIPMENT FOR AUTOMATIC DOSING OF CREAMS AND OINTMENTS
- DESKTOP EQUIPMENT FOR MIXING POWDERS
- DESKTOP EQUIPMENT FOR LIQUID DOSING
- EQUIPMENT FOR POWDERING PHARMA RAW MATERIALS
- SEMI-AUTOMATIC EQUIPMENT FOR FILLING GELATIN CAPSULES
- EQUIPMENT FOR MIXING LIQUIDS WITH MICROWAVE HEATING
- MACHINES PRINTING EXPIRATION DATE AND LOT NUMBER
- PERISTALTIC PUMPS DISPENSERS
- EQUIPMENT FOR LABORATORY TESTING OF MEDICINES
- EQUIPMENT FOR THE PRODUCTION OF FISHING BOILIES
- SEMI-AUTOMATIC EQUIPMENT FOR BLISTER PACKAGING
- EQUIPMENT FOR PRINTING LOGO ON TABLETS AND CAPSULES
- EQUIPMENT FOR COUNTING AND PACKAGING TABLETS AND CAPSULES IN BOTTLES
- EQUIPMENT FOR THE PRODUCTION OF TABLETS
- HIGH-PRECISION DOSING MACHINES POWDER FILLING MACHINES
- EQUIPMENT FOR FILLING HARD GELATIN CAPSULES WITH POWDER
- EQUIPMENT FOR FILLING CREAMS AND SEALING PLASTIC TUBES
- BOTTLE FILLING AND CAPPING EQUIPMENT
- MACHINES FOR FORMING AND FILLING PLASTIC AMPOULES
- EQUIPMENT FOR PACKAGING TABLETS AND CAPSULES IN PLASTIC BOTTLES
- SPRAY DRYING EQUIPMENT FOR SUSPENSIONS
- EQUIPMENT FOR PACKING POWDERS INTO VIALS
- AUTOMATIC EQUIPMENT FOR REMOVING TABLETS AND CAPSULES FROM BLISTERS
- EQUIPMENT FOR WASHING AND STERILIZING BOTTLES
- EQUIPMENT FOR COATING TABLETS
- EQUIPMENT FOR POLISHING AND DEDUSTING TABLETS AND CAPSULES
- EQUIPMENT FOR FILLING AND SEALING GLASS AMPOULES
- MACHINES FOR THE PRODUCTION OF SUPPOSITORIES
- AUTOMATIC PHARMACEUTICAL CENTRIFUGES
- EQUIPMENT FOR AUTOMATIC BOTTLE FEEDING FOR FILLING LINES
- EQUIPMENT FOR EFFICIENT MIXING OF POWDERS
- POWDER GRANULATION EQUIPMENT
- EQUIPMENT FOR SCREW FEEDING OF POWDERS
- EQUIPMENT FOR HOMOGENIZING CREAMS AND OINTMENTS
- EQUIPMENT FOR VACUUM TRANSPORTATION OF POWDERS
- EQUIPMENT FOR PACKING TEA INTO TEA BAGS WITH THREAD AND LABEL
- EQUIPMENT FOR WRAPPING CARDBOARD BOXES WITH CELLOPHANE
- EQUIPMENT FOR METAL DETECTOR IN GELATIN CAPSULES AND TABLETS
- EQUIPMENT FOR PACKAGING FOOD PRODUCTS IN DOY-PACK PACKAGES
- EQUIPMENT FOR PACKAGING PRODUCTS IN A FLOW PACK
- EQUIPMENT FOR THE MANUFACTURE AND PACKAGING OF WET ALCOHOL WIPES
- EQUIPMENT FOR PACKAGING TABLETS IN STRIPS AND TUBES
- AUTOMATIC EQUIPMENT FOR SELF-ADHESIVE LABELS ON PACKAGING
- EQUIPMENT FOR APPLYING THE EXPIRATION DATE AND BATCH NUMBER TO PRODUCTS
- FLOW-PACK PACKAGING MACHINES
- EQUIPMENT FOR FILLING LIQUIDS IN PLASTIC AND METAL BARRELS
- EQUIPMENT FOR VACUUM PACKAGING IN PLASTIC BAGS
- EQUIPMENT FOR WEIGHT CONTROL AND SORTING OF CARDBOARD BOXES WITH MEDICINE
- AUTOMATIC EQUIPMENT FOR BLISTER PACKAGING
- EQUIPMENT FOR INDUCTION SEALING OF ALU FOIL BOTTLES
- EQUIPMENT FOR PACKAGING BULK MATERIALS IN PLASTIC BAGS
- EQUIPMENT FOR FILLING AND PACKAGING HERBAL TINCTURES
- DESKTOP EQUIPMENT FOR MIXING POWDERS
- DESKTOP EQUIPMENT FOR LIQUID DOSING
- EQUIPMENT FOR VIBRATING SIEVING OF POWDERS
- EQUIPMENT FOR AUTOMATIC DOSING OF CREAMS AND OINTMENTS
- EQUIPMENT FOR LABORATORY TESTING OF MEDICINES
- DESKTOP EQUIPMENT FOR HIGH-SPEED EMULSION PRODUCTION
- PERISTALTIC PUMPS DISPENSERS
- SEMI-AUTOMATIC EQUIPMENT FOR FILLING GELATIN CAPSULES
- MACHINES PRINTING EXPIRATION DATE AND LOT NUMBER
- EQUIPMENT FOR THE PRODUCTION OF FISHING BOILIES
- EQUIPMENT FOR POWDERING PHARMA RAW MATERIALS
- SEMI-AUTOMATIC EQUIPMENT FOR BLISTER PACKAGING
- MANUAL EQUIPMENT FOR FILLING GELATIN CAPSULES WITH POWDER
- EQUIPMENT FOR MIXING LIQUIDS WITH MICROWAVE HEATING