SPC Extruder part

1.     How to choose correct extruder size to produce SPC flooring?

Extruder model:

ModelMotor PowerDesigned output
(t/24hrs)
Running output
(t/hrs)
SZ80/15655/75KW9.68
SZ92/188110KW1815
SZ110/220200KW3225
SZ115/220220KW3530
SZ132280KW3548
SZ92&92110KW&110KW2016
SZ92&80110KW&75KW2016

2. Screw barrel life with various Calcium carbonate dosing quantity.

The running life of the screw is determined by the Calcium Carbonate dosing quantity in th formula.

Calcium content<100phr100-200phr200-300phr>300phr
Service life (month)12-24126-83

3. How to choose the correct coextruder if I want to do SPC coextrusion base layer?

4. How to avoid screw breakage during production

5.What happens if the T-Die temperature is too high or too low

6.What is the reason why the sheet suddenly broken during the production process?

SPC Extrusion Calendaring part

1. The pattern depth of the plate after passing through the calender is different

It is caused by uneven temperature on both sides of the roller, and it should be fully preheated before production.

2. What is the effect on the sheet if the roller temperature is too high or too low

High temperature will heat the film on the board and deform it. 210°C is the limit.Low temperature will cause the film to be weak and the peel strength cannot be reached.

3. The pattern is still uneven at normal temperature

The pattern will be deep and shallow for a while, because the temperature of the roller is uneven, it is necessary to check whether the oil temperature machine is working normally The pattern on the patterned roll surface is worn or damaged and needs to be repaired.

4. The reasons of burning problems during extrusion production.

5.Causes of uneven appearance and obvious color difference of extruded products

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