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CHROMTECH : Specialists in Chromatography
- Fluid Transfer Products : & for All Your Laboratory Needs !
- Importers & Distributors in AUSTRALIA

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Chromalytic/Chromtech Head

re Covid-19 Lock-down 2020 > No Problems for Us ! Yet ! ?
b
ut “Comrade” Dans’ “day” is coming ! ?

Fittings  > Codings are a nightmare
particularly threads, tubing sizes, types of connector-endpieces/
CHROMTECH specialises in Laboratory type Applications Tube Sizes from capillaty to ~3/8”

NOT larger industrial types & sizes

- these are available to Order

but often Import and MOQs are required
and currently with CP / COVID extensive lead times ( almost prhibitive)

GOOD As VP are we are seeking other sources of similar Plastic Fittings that are More “reliable”

NOT Just as another reseller ! but direct from”Fair Dinkum”
OEMs

. . .   > this is an attempt by Chromtech to rationalise a
Coding System appllicable  for Customers / End-Users specifying

  • “exactly” what they want for a particular APP
  • simplifying Ordering parts from Us !
  • we source and “translate” for you “Cat.#s, Part.#s etc for various OEMs & pretenders who we have sorted out FOR YOY !
    There are in fact countless OEMs worldwide offering often similar “parts” perhaps with the same or very similar specs
  • but How many of theses Chinese would YOU TRUST ?

Some are more “exotic”, some for more specific APPS

But MANY are just resellers of resellers
or unidentified “OEMs”

ALL fittings OEMS have ”bastardised” Codes to suit and have their own individual “generalised” system

Tube Sizes + base on ID
> various OD
Plastic/polymeric
> various Hardness ( Durometer )
> Chemical Compatability
genrally supplied “Non-sterile” OEM Clean; NOT Sterile ( supposedly “sterile”
but not necessarily  legal ?) > beWARE !

TGA are very pedantic in process use, and storage times ( from OEM / DOM )
Home Use “in boiling water”, heat sterilisation, :hypochlorite” wash ( bleach )

may be adequate for Vaccine, anti-virus APPS\or similar or otherwise “legislated” methods like >

lock downs, mask-wearing, No Kids playgaounds, No playing golf or tennis or attending AFL Grand Finals to “Comrade” Dans’s “whim” re COVID19 > “exaggerated Pandemic !
NO “Right” demonstartion BUT “Greenie“, DLM. “Left” demos are quite OK ! and obviousy “police and TGS approved  “ > NOT subject to ANY penalty

Most local Medical/Hospital resort to
in-house sterilisation methods
Autoclave > ethylene oxide gas > UV >
gamma radiation as approved by TGA
( FDA in the USA )

material & APP delendant !

Business registration
> to resell and to use “legally”

Imperial
050=1/32”
100=1/16” ID
200=1/8”
300-3/16”
400=1/4”
600=3/8”
800-1/2”
16000=1” ID

TubeSizePic

Metric Equivalents
m0.05, 50u
m0.4, 0.4mm
m0.5  0.5mm
m0.75 0.75mm
m1, 1mm
m4, 4mm - 5/32”
m6, ( 6.35mm )

Material

Fittings
Metal
Stainless Steel -SS > Silcosteel -SIC
Brass -B
Copper -C
Plastic / Polymeric

-6005 Polypropylene
Nylon -2 Black / White -1
PolyCarbonate -9
-J1A /( Kynar )

Tubing
PVC
(VINYL)(“plasticser-free”
PolyUrethane
Silicone : Platinum / Peroxide Cured
TPE ThermoPlasticElastomer
Peristaltic Tubing > various

Laboratory / Chromatography Grade

Tubing
PEEK

PPS ( polyPhenykSulfide
FluoroPolymers :Teflon; PFA, FEP (transparent : ETFE/Tefzel,( Rad resistant )

Fittings>Material
PEEK
PPS ( polyPhenykSulfide lower cost PEEK)
Teflon
CTFE ( harder form of Teflon-like)
Stainless Steel
Brass

Barb Sizes

 Value Plastics
- incredible range for optimum performance re pressure soft > Hard Tubing aom a bit academin as many tubing materials “stretch” by 10 to 50%re Pressure > Tubing Clips if OD > = ~1/4”ate ‘90s

Barb Styles-A

Barb Styles-B
in hindsight during COVID19 VP are struggling to produce due to Govt demands
possibly just copies of other OEMs commercial products just aimed by them to “lock-in customer as replacement items” for their own products
“mass production” in case it ever eventuates
might explain why some VP items have MOQs or 50,000 or higher

in hindsight probably VP has proven to have been a bit too ambitious / over-commited since a “start-up” in the ‘90s

ALL of these barb seem to be offered even tho’ arguably of Only “academic” interest perhaps ?

Ceetainly for low production R&ED purpose most od these are interchangable for all intentents & purposes

MOST lab / Industrial OEMs standardise on a Series200 barb-type for medium>Most Applications

OUR Choice for our Australian Stocking purposes

 

“Common” GeneralPurpose Barb
Typical Sizes ONLY

Barb 200Series


see more detailed summary VP 2019 PDF 148-165
 VP Part  Properties

& > a product preview to / from
Our detail FlipHTML5 PC< >mobile Site(s)

but U can still “ Pinch&Zoom / rotate ”
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