Rubber Two Roll Mill Open Mixing Mill Lab Two Roll Mixing Mill For
Plastics
This laboratory two roll mixing mill is designed for polymer mixing
applications in the rubber and plastics industry, including PVC and
color master batch processing. The equipment features rolls,
bearings, gap adjusting mechanisms, electric control systems, and
comprehensive safety devices.
Technical Documentation
Applications
Widely used in rubber and plastics industries for polymer mixing
processes, including PVC and color master batch production. The
system comprises rolls, bearings, gap adjusting devices, electric
control systems, and safety features.

Technical Parameters
| Model | ZL-3018-76 | ZL-3018-120 | ZL-3018-160 | ZL-3018-200 | ZL-3018-230 | ZL-3018-300 | ZL-3018-400 |
|---|
| Diameter of roll (mm) | 76 | 120 | 160 | 200 | 230 | 300 | 400 |
| Length of roller face (mm) | 300 | 350 | 350 | 500 | 650 | 650 | 900 |
| Mixing Capacity (kg) | 0.002-0.6 | 0.002-2 | 0.002-2.8 | 0.002-5 | 0.005-10 | 1-15 | 5-30 |
| Front roll surface speed (rpm) | 19 | 19 | 19 | 19 | 19 | 19 | 19 |
| Friction ratio | 1:1.30 | 1:1.35 | 1:1.35 | 1:1.35 | 1:1.27 | 1:1.27 | 1:1.27 |
| Roll gap range (mm) | 0-3 | 0-6 | 0-6 | 0-8 | 0-12 | 0-12 | 0-15 |
| Driving Power (KW) | 1kw | 1.5kw | 2.2 KW (plastic) 7.5KW (rubber) | 7.5kw (plastic) 11kw (rubber) | 11KW(plastic /silicone) 15KW (rubber) | 15KW(plastic /silicone) 22KW(rubber) 30KW (Customize) | 30KW(plastic /silicone) 40KW (rubber) |
| Machine weight (kg) | 160 | 460 | 660 | 860 | 1960 | 2960 | 3800 |
Additional Specifications:
Heating Mode: Electricity heating, Oil Heating (option)
Cooling Mode: Water Cooling (option)
Roll Temperature: Room temperature - 300℃
Roll Hardness: HRC 50 ~ 60
Temperature Accuracy: ± 2 ℃ (high accuracy PID micro computer
controller)
Safety device: 6 safety buttons with optional safety guard
Power: 380V 3 phase 50-60hz

Machine Purpose
This laboratory mixing mill ensures products meet customer quality
and color requirements. Experimental results and ratios obtained
from this equipment are directly applied to production lines. The
machine uniformly mixes raw materials and ingredients for testing
purposes.
Machine Details

Why Choose Us?

About Our Company
Zhongli Instrument Technology Co., Ltd, headquartered in Dongguan,
Guangdong, China, has been manufacturing laboratory testing
equipment since 2007. With over 13 years of industry experience,
our products are exported to more than 80 countries worldwide, with
particular popularity in European and American markets.
Our equipment portfolio serves multiple industries including rubber
and plastics, food, packaging, and electronics. These solutions are
suitable for scientific research units, quality inspection
institutions, and academic applications.
Beyond standard machines, our R&D team provides customization
services to meet specific customer requirements.

Related Products