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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
Can your technician come to Rome? We need technologist consultation and assistance. 16/06/2025 11:46
Abigail, We have already received your email. A technician between 16:00-18:00 will contact you. Don't worry. 16/06/2025 11:47
I would like to discuss the purchase of model FK-05 - capping and screw cap machine. 16/06/2025 11:56
Good day. You can call on tel. +79853643808 or to the mail specified on the site. Ava, this chat is only for tracking shipments. 16/06/2025 11:58
Vacuum lyophilic freeze dryer LG-30, can we get faster than the contract ? 16/06/2025 12:06
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. 16/06/2025 12:07
How to contact you for shipment tracking ? Industrial vibrating screen VS-04. 16/06/2025 12:16
Good afternoon, James, My WhastApp is +79853643808, Manager Natalia +79153808881 during business hours and except weekends. 16/06/2025 12:19
Natalia hello, what about the counter table tablets and capsules counter TC-10, account #121. 16/06/2025 12:26
Hello Layla, Our manager Natalia closer to evening will call you on WhatsApp. I see the tracking status, on the carrier's website, the shipment will arrive to Butrint in 15 days. 16/06/2025 12:26
PU-250 flow-pack packaging machine, please advise delivery status. 16/06/2025 12:36
Hello Aiden, your equipment is undergoing customs clearance. Your manager Natalia will contact you tomorrow until 16:30 16/06/2025 12:38
Dear Roman, how are you doing? Our company bought more than a year ago a filling and capping machine for penicillin vials, model XL-10. We got financing this year and want the same machine. Will you give us a discount? 16/06/2025 12:46
Aiden, thank you. We're doing great. Of course we will give a discount to the regular customer. Delivery of equipment also in El Paso ? Contact Natalia, she will send the contract and invoice. 16/06/2025 12:47
When purchasing the RY-200 centrifugal type powder granulator, I asked for tests on our powder 16/06/2025 12:56
Hello Henry, Please send 2 kg of your raw material to the address given to you by Natalia. After the test, the engineer will inform you about the results. 16/06/2025 12:56
Dear Roman, how are you doing? Our company bought more than a year ago a filling and capping machine for penicillin vials, model XL-10. We got financing this year and want the same machine. Will you give us a discount? 16/06/2025 13:06
Matthew, thank you. We're doing great. Of course we will give a discount to the regular customer. Delivery of equipment also in Orora ? Contact Natalia, she will send the contract and invoice. 16/06/2025 13:06
Good afternoon, I am hoping in the morning to get the UNIC 600A Tablet Press in Geneva ! Please comment. 16/06/2025 13:16
Good day, Joseph! Our manager has communicated with the delivery service, the equipment will be delivered to Geneva at your address. Please let us know when you receive it. 16/06/2025 13:17
- EQUIPMENT FOR FILLING HARD GELATIN CAPSULES WITH POWDER
- EQUIPMENT FOR POLISHING AND DEDUSTING TABLETS AND CAPSULES
- EQUIPMENT FOR COATING TABLETS
- MACHINES FOR THE PRODUCTION OF SUPPOSITORIES
- EQUIPMENT FOR FILLING AND SEALING GLASS AMPOULES
- MACHINES FOR FORMING AND FILLING PLASTIC AMPOULES
- SPRAY DRYING EQUIPMENT FOR SUSPENSIONS
- BOTTLE FILLING AND CAPPING EQUIPMENT
- HIGH-PRECISION DOSING MACHINES POWDER FILLING MACHINES
- AUTOMATIC EQUIPMENT FOR REMOVING TABLETS AND CAPSULES FROM BLISTERS
- EQUIPMENT FOR THE PRODUCTION OF TABLETS
- EQUIPMENT FOR PACKING POWDERS INTO VIALS
- EQUIPMENT FOR WASHING AND STERILIZING BOTTLES
- EQUIPMENT FOR PRINTING LOGO ON TABLETS AND CAPSULES
- EQUIPMENT FOR FILLING CREAMS AND SEALING PLASTIC TUBES
- EQUIPMENT FOR PACKAGING TABLETS AND CAPSULES IN PLASTIC BOTTLES
- EQUIPMENT FOR COUNTING AND PACKAGING TABLETS AND CAPSULES IN BOTTLES
- EQUIPMENT FOR HOMOGENIZING CREAMS AND OINTMENTS
- EQUIPMENT FOR VACUUM TRANSPORTATION OF POWDERS
- EQUIPMENT FOR SCREW FEEDING OF POWDERS
- EQUIPMENT FOR EFFICIENT MIXING OF POWDERS
- POWDER GRANULATION EQUIPMENT
- EQUIPMENT FOR AUTOMATIC BOTTLE FEEDING FOR FILLING LINES
- AUTOMATIC PHARMACEUTICAL CENTRIFUGES
- EQUIPMENT FOR THE MANUFACTURE AND PACKAGING OF WET ALCOHOL WIPES
- EQUIPMENT FOR PACKAGING TABLETS IN STRIPS AND TUBES
- FLOW-PACK PACKAGING MACHINES
- EQUIPMENT FOR VACUUM PACKAGING IN PLASTIC BAGS
- EQUIPMENT FOR METAL DETECTOR IN GELATIN CAPSULES AND TABLETS
- EQUIPMENT FOR FILLING LIQUIDS IN PLASTIC AND METAL BARRELS
- AUTOMATIC EQUIPMENT FOR BLISTER PACKAGING
- EQUIPMENT FOR WRAPPING CARDBOARD BOXES WITH CELLOPHANE
- EQUIPMENT FOR PACKAGING BULK MATERIALS IN PLASTIC BAGS
- EQUIPMENT FOR INDUCTION SEALING OF ALU FOIL BOTTLES
- EQUIPMENT FOR APPLYING THE EXPIRATION DATE AND BATCH NUMBER TO PRODUCTS
- EQUIPMENT FOR WEIGHT CONTROL AND SORTING OF CARDBOARD BOXES WITH MEDICINE
- EQUIPMENT FOR PACKAGING FOOD PRODUCTS IN DOY-PACK PACKAGES
- EQUIPMENT FOR FILLING AND PACKAGING HERBAL TINCTURES
- AUTOMATIC EQUIPMENT FOR SELF-ADHESIVE LABELS ON PACKAGING
- EQUIPMENT FOR PACKAGING PRODUCTS IN A FLOW PACK
- EQUIPMENT FOR PACKING TEA INTO TEA BAGS WITH THREAD AND LABEL
- MANUAL EQUIPMENT FOR FILLING GELATIN CAPSULES WITH POWDER
- DESKTOP EQUIPMENT FOR HIGH-SPEED EMULSION PRODUCTION
- DESKTOP EQUIPMENT FOR LIQUID DOSING
- SEMI-AUTOMATIC EQUIPMENT FOR BLISTER PACKAGING
- EQUIPMENT FOR AUTOMATIC DOSING OF CREAMS AND OINTMENTS
- EQUIPMENT FOR VIBRATING SIEVING OF POWDERS
- PERISTALTIC PUMPS DISPENSERS
- EQUIPMENT FOR THE PRODUCTION OF FISHING BOILIES
- DESKTOP EQUIPMENT FOR MIXING POWDERS
- EQUIPMENT FOR POWDERING PHARMA RAW MATERIALS
- EQUIPMENT FOR MIXING LIQUIDS WITH MICROWAVE HEATING
- MACHINES PRINTING EXPIRATION DATE AND LOT NUMBER
- SEMI-AUTOMATIC EQUIPMENT FOR FILLING GELATIN CAPSULES
- EQUIPMENT FOR LABORATORY TESTING OF MEDICINES
- EQUIPMENT FOR PACKING POWDERS INTO VIALS
- EQUIPMENT FOR COUNTING AND PACKAGING TABLETS AND CAPSULES IN BOTTLES
- AUTOMATIC EQUIPMENT FOR REMOVING TABLETS AND CAPSULES FROM BLISTERS
- EQUIPMENT FOR WASHING AND STERILIZING BOTTLES
- SPRAY DRYING EQUIPMENT FOR SUSPENSIONS
- EQUIPMENT FOR PACKAGING TABLETS AND CAPSULES IN PLASTIC BOTTLES
- BOTTLE FILLING AND CAPPING EQUIPMENT
- EQUIPMENT FOR COATING TABLETS
- MACHINES FOR FORMING AND FILLING PLASTIC AMPOULES
- EQUIPMENT FOR FILLING AND SEALING GLASS AMPOULES
- EQUIPMENT FOR FILLING HARD GELATIN CAPSULES WITH POWDER
- HIGH-PRECISION DOSING MACHINES POWDER FILLING MACHINES
- MACHINES FOR THE PRODUCTION OF SUPPOSITORIES
- EQUIPMENT FOR POLISHING AND DEDUSTING TABLETS AND CAPSULES
- EQUIPMENT FOR PRINTING LOGO ON TABLETS AND CAPSULES
- EQUIPMENT FOR FILLING CREAMS AND SEALING PLASTIC TUBES
- EQUIPMENT FOR THE PRODUCTION OF TABLETS
- EQUIPMENT FOR VACUUM TRANSPORTATION OF POWDERS
- EQUIPMENT FOR HOMOGENIZING CREAMS AND OINTMENTS
- EQUIPMENT FOR SCREW FEEDING OF POWDERS
- EQUIPMENT FOR AUTOMATIC BOTTLE FEEDING FOR FILLING LINES
- POWDER GRANULATION EQUIPMENT
- AUTOMATIC PHARMACEUTICAL CENTRIFUGES
- EQUIPMENT FOR EFFICIENT MIXING OF POWDERS
- AUTOMATIC EQUIPMENT FOR SELF-ADHESIVE LABELS ON PACKAGING
- EQUIPMENT FOR PACKAGING FOOD PRODUCTS IN DOY-PACK PACKAGES
- EQUIPMENT FOR WRAPPING CARDBOARD BOXES WITH CELLOPHANE
- EQUIPMENT FOR WEIGHT CONTROL AND SORTING OF CARDBOARD BOXES WITH MEDICINE
- EQUIPMENT FOR PACKAGING TABLETS IN STRIPS AND TUBES
- FLOW-PACK PACKAGING MACHINES
- EQUIPMENT FOR INDUCTION SEALING OF ALU FOIL BOTTLES
- EQUIPMENT FOR APPLYING THE EXPIRATION DATE AND BATCH NUMBER TO PRODUCTS
- EQUIPMENT FOR THE MANUFACTURE AND PACKAGING OF WET ALCOHOL WIPES
- EQUIPMENT FOR FILLING LIQUIDS IN PLASTIC AND METAL BARRELS
- EQUIPMENT FOR FILLING AND PACKAGING HERBAL TINCTURES
- EQUIPMENT FOR PACKAGING BULK MATERIALS IN PLASTIC BAGS
- EQUIPMENT FOR PACKAGING PRODUCTS IN A FLOW PACK
- 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
- AUTOMATIC EQUIPMENT FOR BLISTER PACKAGING
- EQUIPMENT FOR AUTOMATIC DOSING OF CREAMS AND OINTMENTS
- SEMI-AUTOMATIC EQUIPMENT FOR FILLING GELATIN CAPSULES
- DESKTOP EQUIPMENT FOR MIXING POWDERS
- EQUIPMENT FOR VIBRATING SIEVING OF POWDERS
- SEMI-AUTOMATIC EQUIPMENT FOR BLISTER PACKAGING
- PERISTALTIC PUMPS DISPENSERS
- DESKTOP EQUIPMENT FOR HIGH-SPEED EMULSION PRODUCTION
- DESKTOP EQUIPMENT FOR LIQUID DOSING
- EQUIPMENT FOR THE PRODUCTION OF FISHING BOILIES
- MANUAL EQUIPMENT FOR FILLING GELATIN CAPSULES WITH POWDER
- EQUIPMENT FOR LABORATORY TESTING OF MEDICINES
- EQUIPMENT FOR POWDERING PHARMA RAW MATERIALS
- MACHINES PRINTING EXPIRATION DATE AND LOT NUMBER
- EQUIPMENT FOR MIXING LIQUIDS WITH MICROWAVE HEATING