temperature table and quantity required of cempex plus
Temperature table
| Plastic Quality | Abbreviation | Processing- Temperature °C |
Purging- Temperature °C |
|---|---|---|---|
| Acrylonitrile-Butadiene-Styrenel - Copolymer | ABS | 200 - 250 | 170 - 190 |
| Cellulose-Acetate | CA | 220 - 260 | 190 - 230 |
| Plexiglas | PMMA | 210 - 230 | 180 - 200 |
| Polyamide | PA | 250 - 280 | 220 - 230 |
| Polycarbonate | PC | 280 - 330 | 230 - 280 |
| Polyester (amorphous) | PETP / PBTP | 50 - 60 | 30 - 40 |
| Polyester (lineair) | PETP / PBTP | 230 - 300 | 200 - 250 |
| Polyethylene | HDPE / LDPE | 180 - 250 | 150 - 190 |
| Polyoxymethylene | POM | 170 - 210 | 140 - 170 |
| Polypropylene | PP | 200 - 250 | 170 - 200 |
| Polystyrene | PS | 200 - 270 | 170 - 210 |
| Polysulphonate | PSU | 350 - 400 | 320 - 350 |
| Polyvinylchloride | PVC | 160 - 180 | 140 - 160 |
| Polyvinylidene Fluoride | PVDF | 200 - 220 | 170 - 190 |
| Acrylonitrile - Copolymer | SAN | 200 - 220 | 180 - 200 |
| Thermoplastic Polyurethan | TPU | 200 - 220 | 170 - 190 |
Quantities are approximate values depending on lenght of screw and degree of contamination.
For a normal cleaning process or colour change:
| Screwdiam./mm | 20 | 30 | 40 | 50 | 60 | 70 | 80 | 90 | 100 | 110 | 120 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Cempex Plus Quantity/kg |
0,5 | 1 | 2 | 3 | 5 | 8 | 10 | 15 | 20 | 25 | 30 |
| Screwdiam./mm | 130 | 140 | 150 | 175 | 200 | 240 |
|---|---|---|---|---|---|---|
| Cempex Plus Quantity/kg |
40 | 50 | 60 | 80 | 125 | 150 |
For very difficult cleanings and material- or colour changes
| Screwdiam./mm | 20 | 30 | 40 | 50 | 60 | 70 | 80 | 90 | 100 | 110 | 120 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Cempex Plus Quantity/kg |
1 | 2 | 4 | 6 | 10 | 12 | 15 | 25 | 30 | 40 | 50 |
| Screwdiam./mm | 130 | 140 | 150 | 175 | 200 | 240 |
|---|---|---|---|---|---|---|
| Cempex Plus Quantity/kg |
80 | 100 | 120 | 160 | 250 | 300 |