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Customized Pellet Pressing Die with Vacuum Port (6 - 25 mm ID) nup to 400oC - Die-Va

Sale Price: Starting at USD$449.00
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EQ-Va-Die is a customized pellet die with 1/4" vacuum ( or gas ) port for pressing samples from 2 mm to 25 mm ID).  You may vacuum the die during pressing to make the sample dense or blow gas via the port to make the sample easy taking out.

Material Cr12MoV Alloy Tool Steel
Max. Working Temp.  400oC
ASSAB 17 Alloy High-Speed Steel
Max. Working Temp.  200oC
Hardness HRC 60 - 62 HRC 68 - 70
Die Size

  • Diameter(D): Ø15, 16, 18, 20, 22, 25 mm
  • Core Depth(N): 40 mm
  • Outside Dimensions(L×H): Ø53 × 120 mm
  • Diameter(D): Ø7, 8, 9, 10, 11, 11.5, 12, 12.7, 13 mm
  • Core Depth(N): 30 mm
  • Outside Dimensions(L×H): Ø43 × 93 mm
Other Sizes
  • 2 mm - 25 mm
  • Please choose  standard size as the picture left for quick delivery and lower cost
  • Special size also is available upon request.
Vacuum Port Barbed, OD 7.2 mm ID 3 mm Length 18.4 mm 
Vacuum Level <0.5 Torr
Roughness Average (Ra) 0.08 μm
Maximum Load

  • Please click the picture below to see the max. load for each size of the die
  • Max. pressure less than 800 MPa is recommended

Installation schematic
  • To avoid the risk of accidents and damage to the Pressing Die, please read these instructions carefully before installation and before using it for the first time.
    • Must Read the manual especially the die installation schematic before the operation.
    • The operator must wear protective goggles.
    • Must have Hydraulic Pellet Press equipped with the Protection Cover, please click the pic-2 to order.
    • You may order a vacuum pump separately for the dies ( click picture below right)
                     Vacuum pump and high vacuum station


  • DO NOT press flammable, corrosive, or explosive materials
  • The operator must wear a protection goggle.
  • Attention:
  • Use ethanol to clean the pressing die before and after use every time
  • Use anti-rust oil after the operation and store it in a dry place to avoid rusting.
  • NO pressing powder with particle size LESS THAN 30 micron should be used. Small particles may slip into the gap between pushing rod and steel sleeve and cause damages to the sleeve during the compression.
  • Ball mill or ground the powder to the size of 32~75 microns powder before pressing.
  • Suggestions:
  • Please use a professional laboratory hydraulic press to ensure the evenness of the pressing interface 
  • For pressing sticky metal powders, such as Al, Mg, Zn, please use dry or alcohol-based lubricants to reduce friction during the compression. 



Application Note
You may consider using EQ-BNMR for easy mold release. Please click the picture below to order.

Steps to make sample pellet
  • Mixing and grinding chemical powder by agate mortar or Ball Mill
  • Calcine mixed the powder in a high temp furnace under suitable temperature
  • Crushing and Grinding calcined powder again by mortar or ball mill
  • Put calcined powder into the die
  • Pressing sample by a pressing machine under suitable pressure
  • Take out pellet sample from die
  • Sintering the pellet under suitable temperature in Oven
  • Then, a new material sample is formed!
  • Pressing Dies are consumable products and are not covered by MTI's warranty.

Related Products

Pressing Die  1/8" - 3" 
Laboratory Mill & Mixer
Powder grinding & Mixing
Gravity Convection Ovens, Max. 300C
Drying Ovens

Calcining & Stintering

Hydraulic Press
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1. Prices listed online are valid for the US market and who pay by credit card only. There will be extra charges for shipping & handling. Price various from country to country.
2. We may add extra charges for paper order and net30 terms due to extra labor costs.
3. The prices listed are subject to change without notice.