+44 (0) 1525 382 277
Your Basket
Filtering Membranes PTFE

BOLA Filtering Membranes, PTFE

Material: PTFE

Temperature resistance: from -200°C to +250°C

Chemical resistance: +++ universal

Product description

Thickness 0,2 mm, packing unit: 10 pieces (see Cat. No. N 1699-...for further sizes)


Flow rate:

Flow capacity under vacuum of 100 kPa (1000 mbar) using a PTFE filtering membrane with a diameter of 47 mm and a thickness of 0,2 mm

  • Pore size 0,20 µm: Flow of water 35 ml/min
  • Pore size 0,20 µm: Flow of air 740 ml/min
  • Pore size 0,45 µm: Flow of water 164 ml/min
  • Pore size 0,45 µm: Flow of air 2.300 ml/min
  • Pore size 1,00 µm: Flow of water 510 ml/min
  • Pore size 1,00 µm: Flow of air 5.330 ml/min
  • Pore size 5,00 µm: Flow of water 860 ml/min
  • Pore size 5,00 µm: Flow of air 92.300 ml/min
Name / Number Pore Size ┬Ám Dia. Of membrane mm Filtration surface qmm Basket
N1690-08 0,05 13 132
N1690-28 0,05 25 490
N1690-48 0,05 47 1.735
N1690-52 0,20 47 1.735
N1690-56 0,45 47 1.735
N1690-60 1,00 47 1.735
N1690-64 5,00 47 1.735


New E3 Drying Cabinets

NEW E3 Drying Cabinets Energy efficient, safe, sustainable. Low Energy and part of our NEW Sustainable Solutions Divsion Timer to automate shut down periods Fully insulated with adjustable vent cover Integral 7 Day time with display  Digital Controller with fixed over-temperature cut-out Adjustable shelf runners with removeable chrome shelves Lockable castors available on the 425 & 885 litre models Easy to clean powder coated body with toughened glass doors Benefits & Cost Savings: Low Energy consumption - >50% lower than traditional cabinets! Low heat output - reducing air conditioning costs Fully insulated - safer for the end user Easy, specific temperature controller  Integral programmable 7 day timer - on/off to reflect your needs Convection or fan - heat up time <1 hour
  Find out more

Request a quote

To request a quote simply add the product you are interested in to your basket, fill in the contact form and we will get back to you with a price.
  View quote basket