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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
Vacuum powder conveyor QV-01 quantity of 3 pieces, need discount and delivery to Oakland. 22/07/2024 06:24
Good day James, 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 Oakland is included in the price. 22/07/2024 06:25
To what address to send you samples of bottles and caps to send them to the factory ? Regards Olivia. 22/07/2024 06:34
Good day, Olivia We received the same question on WhatsApp and replied there as well. Kindly provide the shipment number for tracking purposes. Thank you. 22/07/2024 06:35
PU-250 flow-pack packaging machine, please advise delivery status. 22/07/2024 06:44
Hello John, your equipment is undergoing customs clearance. Your manager Natalia will contact you tomorrow until 14:30 22/07/2024 06:47
Good afternoon, please confirm that tomorrow until 18: 30 we will receive our shipment in Frankfurt? Contact the transportation company. 22/07/2024 06:54
Hello Zoey ! Representatives of the transportation company on the delivery status of your shipment said that it will be in Frankfurt in a few days. Please expect it. 22/07/2024 06:55
Please advise the delivery status of the order. Desktop ampoule sealing machine RF-01 delivery to Los Angeles. Thank you. 22/07/2024 07:04
Lucas, Checked delivery status , your shipment is in transit warehouse in Shanghai. Delivery to Los Angeles is scheduled for between 12:00-14:00. Please notify us upon receipt. 22/07/2024 07:06
Remember me? There's a delivery in the Tbilisi 22/07/2024 07:14
Eleanor, Hello! We remember all our customers. your blister honey filling machine model MN-82 will be as stipulated in the contract in Tbilisi . 22/07/2024 07:14
Horizontal granulator for organic fertilizers JU-80, the price is up to date ? Delivery time to Split? Urgent. 22/07/2024 07:24
Ava, Please read carefully the description of this model in our catalog. Prices are current. Timing 1-1.5 months. 22/07/2024 07:27
Hello Roman! Thank you for the service and quality of your products. We are very happy and satisfied with the purchase! 22/07/2024 07:34
Hello Charlotte, Apparently you have tested your vacuum lyophilic dryer LZY-01. Its quality is above average, it will work. We are waiting for your new applications. 22/07/2024 07:37
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. 22/07/2024 07:44
Good afternoon, Aiden! We're pausing the shipment. Send drawings to the office mail. The terms of production of new punches 20 working days. 22/07/2024 07:44
Please inform me about the status of the order Rotary tablet press RZ-10A in Las Vegas ? 22/07/2024 07:54
Good afternoon, James. We have contacted the carrier, delivery is scheduled tomorrow until 13:30. Please let us know when you receive it. Thank you. 22/07/2024 07:54
- EQUIPMENT FOR COATING TABLETS
- EQUIPMENT FOR WASHING AND STERILIZING BOTTLES
- EQUIPMENT FOR PRINTING LOGO ON TABLETS AND CAPSULES
- EQUIPMENT FOR PACKAGING TABLETS AND CAPSULES IN PLASTIC BOTTLES
- EQUIPMENT FOR THE PRODUCTION OF TABLETS
- MACHINES FOR FORMING AND FILLING PLASTIC AMPOULES
- AUTOMATIC EQUIPMENT FOR REMOVING TABLETS AND CAPSULES FROM BLISTERS
- EQUIPMENT FOR POLISHING AND DEDUSTING TABLETS AND CAPSULES
- HIGH-PRECISION DOSING MACHINES POWDER FILLING MACHINES
- EQUIPMENT FOR FILLING HARD GELATIN CAPSULES WITH POWDER
- BOTTLE FILLING AND CAPPING EQUIPMENT
- EQUIPMENT FOR COUNTING AND PACKAGING TABLETS AND CAPSULES IN BOTTLES
- MACHINES FOR THE PRODUCTION OF SUPPOSITORIES
- EQUIPMENT FOR FILLING AND SEALING GLASS AMPOULES
- EQUIPMENT FOR FILLING CREAMS AND SEALING PLASTIC TUBES
- EQUIPMENT FOR PACKING POWDERS INTO VIALS
- SPRAY DRYING EQUIPMENT FOR SUSPENSIONS
- EQUIPMENT FOR VACUUM TRANSPORTATION OF POWDERS
- POWDER GRANULATION EQUIPMENT
- EQUIPMENT FOR EFFICIENT MIXING OF POWDERS
- EQUIPMENT FOR HOMOGENIZING CREAMS AND OINTMENTS
- EQUIPMENT FOR AUTOMATIC BOTTLE FEEDING FOR FILLING LINES
- AUTOMATIC PHARMACEUTICAL CENTRIFUGES
- EQUIPMENT FOR SCREW FEEDING OF POWDERS
- EQUIPMENT FOR PACKAGING PRODUCTS IN A FLOW PACK
- EQUIPMENT FOR PACKAGING FOOD PRODUCTS IN DOY-PACK PACKAGES
- EQUIPMENT FOR VACUUM PACKAGING IN PLASTIC BAGS
- EQUIPMENT FOR WEIGHT CONTROL AND SORTING OF CARDBOARD BOXES WITH MEDICINE
- EQUIPMENT FOR FILLING LIQUIDS IN PLASTIC AND METAL BARRELS
- EQUIPMENT FOR PACKAGING TABLETS IN STRIPS AND TUBES
- AUTOMATIC EQUIPMENT FOR BLISTER PACKAGING
- EQUIPMENT FOR THE MANUFACTURE AND PACKAGING OF WET ALCOHOL WIPES
- EQUIPMENT FOR METAL DETECTOR IN GELATIN CAPSULES AND TABLETS
- EQUIPMENT FOR PACKAGING BULK MATERIALS IN PLASTIC BAGS
- AUTOMATIC EQUIPMENT FOR SELF-ADHESIVE LABELS ON PACKAGING
- EQUIPMENT FOR WRAPPING CARDBOARD BOXES WITH CELLOPHANE
- EQUIPMENT FOR INDUCTION SEALING OF ALU FOIL BOTTLES
- EQUIPMENT FOR FILLING AND PACKAGING HERBAL TINCTURES
- EQUIPMENT FOR PACKING TEA INTO TEA BAGS WITH THREAD AND LABEL
- FLOW-PACK PACKAGING MACHINES
- EQUIPMENT FOR APPLYING THE EXPIRATION DATE AND BATCH NUMBER TO PRODUCTS
- AUTOMATIC CARTONING MACHINES
- DESKTOP EQUIPMENT FOR LIQUID DOSING
- MACHINES PRINTING EXPIRATION DATE AND LOT NUMBER
- DESKTOP EQUIPMENT FOR HIGH-SPEED EMULSION PRODUCTION
- EQUIPMENT FOR MIXING LIQUIDS WITH MICROWAVE HEATING
- MANUAL EQUIPMENT FOR FILLING GELATIN CAPSULES WITH POWDER
- EQUIPMENT FOR AUTOMATIC DOSING OF CREAMS AND OINTMENTS
- PERISTALTIC PUMPS DISPENSERS
- EQUIPMENT FOR POWDERING PHARMA RAW MATERIALS
- SEMI-AUTOMATIC EQUIPMENT FOR FILLING GELATIN CAPSULES
- EQUIPMENT FOR VIBRATING SIEVING OF POWDERS
- DESKTOP EQUIPMENT FOR MIXING POWDERS
- EQUIPMENT FOR LABORATORY TESTING OF MEDICINES
- EQUIPMENT FOR THE PRODUCTION OF FISHING BOILIES
- SEMI-AUTOMATIC EQUIPMENT FOR BLISTER PACKAGING
- EQUIPMENT FOR FILLING CREAMS AND SEALING PLASTIC TUBES
- MACHINES FOR FORMING AND FILLING PLASTIC AMPOULES
- MACHINES FOR THE PRODUCTION OF SUPPOSITORIES
- EQUIPMENT FOR COATING TABLETS
- EQUIPMENT FOR THE PRODUCTION OF TABLETS
- EQUIPMENT FOR WASHING AND STERILIZING BOTTLES
- SPRAY DRYING EQUIPMENT FOR SUSPENSIONS
- EQUIPMENT FOR COUNTING AND PACKAGING TABLETS AND CAPSULES IN BOTTLES
- EQUIPMENT FOR PRINTING LOGO ON TABLETS AND CAPSULES
- BOTTLE FILLING AND CAPPING EQUIPMENT
- EQUIPMENT FOR FILLING AND SEALING GLASS AMPOULES
- EQUIPMENT FOR PACKAGING TABLETS AND CAPSULES IN PLASTIC BOTTLES
- EQUIPMENT FOR FILLING HARD GELATIN CAPSULES WITH POWDER
- AUTOMATIC EQUIPMENT FOR REMOVING TABLETS AND CAPSULES FROM BLISTERS
- EQUIPMENT FOR POLISHING AND DEDUSTING TABLETS AND CAPSULES
- HIGH-PRECISION DOSING MACHINES POWDER FILLING MACHINES
- EQUIPMENT FOR PACKING POWDERS INTO VIALS
- EQUIPMENT FOR EFFICIENT MIXING OF POWDERS
- EQUIPMENT FOR AUTOMATIC BOTTLE FEEDING FOR FILLING LINES
- EQUIPMENT FOR HOMOGENIZING CREAMS AND OINTMENTS
- AUTOMATIC PHARMACEUTICAL CENTRIFUGES
- EQUIPMENT FOR SCREW FEEDING OF POWDERS
- EQUIPMENT FOR VACUUM TRANSPORTATION OF POWDERS
- POWDER GRANULATION EQUIPMENT
- EQUIPMENT FOR PACKAGING TABLETS IN STRIPS AND TUBES
- EQUIPMENT FOR VACUUM PACKAGING IN PLASTIC BAGS
- EQUIPMENT FOR PACKING TEA INTO TEA BAGS WITH THREAD AND LABEL
- EQUIPMENT FOR FILLING LIQUIDS IN PLASTIC AND METAL BARRELS
- AUTOMATIC EQUIPMENT FOR BLISTER PACKAGING
- EQUIPMENT FOR APPLYING THE EXPIRATION DATE AND BATCH NUMBER TO PRODUCTS
- EQUIPMENT FOR PACKAGING FOOD PRODUCTS IN DOY-PACK PACKAGES
- EQUIPMENT FOR PACKAGING PRODUCTS IN A FLOW PACK
- EQUIPMENT FOR PACKAGING BULK MATERIALS IN PLASTIC BAGS
- EQUIPMENT FOR THE MANUFACTURE AND PACKAGING OF WET ALCOHOL WIPES
- EQUIPMENT FOR INDUCTION SEALING OF ALU FOIL BOTTLES
- AUTOMATIC CARTONING MACHINES
- EQUIPMENT FOR METAL DETECTOR IN GELATIN CAPSULES AND TABLETS
- EQUIPMENT FOR WRAPPING CARDBOARD BOXES WITH CELLOPHANE
- AUTOMATIC EQUIPMENT FOR SELF-ADHESIVE LABELS ON PACKAGING
- EQUIPMENT FOR WEIGHT CONTROL AND SORTING OF CARDBOARD BOXES WITH MEDICINE
- EQUIPMENT FOR FILLING AND PACKAGING HERBAL TINCTURES
- FLOW-PACK PACKAGING MACHINES
- DESKTOP EQUIPMENT FOR MIXING POWDERS
- EQUIPMENT FOR MIXING LIQUIDS WITH MICROWAVE HEATING
- EQUIPMENT FOR VIBRATING SIEVING OF POWDERS
- EQUIPMENT FOR AUTOMATIC DOSING OF CREAMS AND OINTMENTS
- EQUIPMENT FOR POWDERING PHARMA RAW MATERIALS
- MACHINES PRINTING EXPIRATION DATE AND LOT NUMBER
- EQUIPMENT FOR THE PRODUCTION OF FISHING BOILIES
- SEMI-AUTOMATIC EQUIPMENT FOR FILLING GELATIN CAPSULES
- EQUIPMENT FOR LABORATORY TESTING OF MEDICINES
- DESKTOP EQUIPMENT FOR HIGH-SPEED EMULSION PRODUCTION
- SEMI-AUTOMATIC EQUIPMENT FOR BLISTER PACKAGING
- PERISTALTIC PUMPS DISPENSERS
- DESKTOP EQUIPMENT FOR LIQUID DOSING
- MANUAL EQUIPMENT FOR FILLING GELATIN CAPSULES WITH POWDER