Melt filter Questionaire

General data

Others:

*Kind of Material():**
Virgin	Reclaim	Clean production waste
Approx. mixture virgin %		reclaim %
Post consumer washed		Slightly contaminated production waste
Post consumer unwashed / heavy contaminated

Description of contamination:

*Viscosity():**
MFI	(g/10min)	IV
(please send us viscosity-shear data sheets if available)
Processing temperature: °C		°F

Production line

Pellestising System

Blown film

Flat film

Compounding

Pipe / Profiles

Sheets

Fiber / Non-woven

Strapping tapes

Others:

Extruder
Single screw	Twin screw
Extrusion height:	mm / inch
Screw diameter:	mm / inch	Degassing: yes no
Output:	kg/h / Ib/hr
Max. Pressure build up on screw tip(*): bar / psi

Melt pump
Yes	In front of screen changer
No	after screen changer

Mode of operation
Continuous (no interruption during screen change allowed)	Discontinuous (short interruption during screen change possible)
With automatic back flushing (self cleaning)	Automatic self cleaning not a must
Constant pressure mode required	not required

*Required filtration finess():**
mesh/inch or	µm / Inch (width of openings in screen)

Experience with already employed screen changer for same material ?
Screen changer typ
Throughput:	kg/h	Ib/hr
Total active screen area:	cm²	sq in
Melt temperature:	°C	°F
Pressure in front of screen changer:	bar	psi
Pressure after screen changer (if known):	bar	psi
Time span between screen changes:
Filtration fineness:

Backflushing type:	yes	no
If yes, time span between backflushes::
If yes, No. of backflush cycles before screen change:

Adaptor for screen changer (please mark if necessary)	- inlet	- outlet
Necessity of venting after screen changes(*):	yes	no

Direction of meltflow (viewed from screen changing / servicing side)

Standard execution (left - right)	Special execution (right - left)

Miscellaneous:

Sections with asterisk (*) are a must to be filled out for a quotation !