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Quick Details

  • Condition: New
  • Application: plastics and rubber
  • Automatic Grade: Automatic
  • Production Capacity: 50-200g
  • Place of Origin: Guangdong, China (Mainland)
  • Brand Name: HARDEN, Hartek
  • Model Number: HTR-300
  • Voltage: 380V/50Hz/3 phases, or as per request
  • Power(W): 3.75KW for main motor
  • Dimension(L*W*H): 1100mmx680mmx1200mm
  • Weight: 680kg
  • Certification: CE as per request
  • Warranty: 12 months upon acceptance
  • After-sales Service Provided: Engineers available to service machinery overseas
  • Color: metal silver
  • heating method: optional electric/oil heating method for the two rolls
  • mold temperature controller: only for oil heating method
  • motor: optional one/two motor control for the two rolls
  • roll speed: optional fix/variable speed for the two rolls

Packaging & Delivery

Packaging Details 1) Standard fumigation-free plywood packaging.
2) Approx. Packaging Size: 1230mmx790mmx1430mm
3) Packaging Weight: 700kg
Delivery Time 40 days


Product  Features:
  • Electric heated

  • Low consumption of energy and raw materials

  • Linear guide oriented effectively ensure the accuracy of product size

  • Fixed speed ratio for two rolls driven by one motor

  • The roll temperature control system could precisely control the roll temperature and makes it has obvious advantages in forming crystalline materials.

  • Equipped with brand motor and stepless speed controlled

  • Adapting various security devices such as the cover over the rolls, knee stopper, emergency auto lock switches, etc.

  • Optional oil heating method for the two rolls

  • Optional variable speed ratio for the two rolls driven by two servo motors

  • Optional fixed speed ratio for the two rolls driven by two servo motors


Product  Application:
  • Mixing of plastics or rubber
  • Plasticization of plastics or rubber
  • Mastication of plastic or rubber
  • Sample sheet making  


 Product Details:



HTR-300 Precise Laboratory Two Roll Mill



1. Application: LDPE, HDPE, PP, PVC, rubber, etc.



2. Sheet thickness: 0.2-2mm

3. Sheet width: 0-250mm

4. Roller: Ø120mmx300mm, 2 units



5. Gap between two rollers: 0-5mm, adjustable



6. Roller motor: SIEMENS, 3.75KW, 1 set, 380V/50Hz, 3 phases, or as per request

7. Fixed speed ratio for the two rollers: 1:1.22

8. Heating method: electric heating

9. Max. working temperature: 3000C

10. Temperature measuring accuracy: ±10C

11. Speed of the rollers: 0-30m/min, stepless speed

12. Total power: 9KW

13. Control system: SIEMENS 7’’TFT touching screen PLC system



14. Low voltage electric components: SCHNEIDER, with CE certificate

15. Emergency devices for the machine

   15.1 1 emergency button below the touching screen

   15.2 1 emergency button at the front of the machine at the site of operator leg

   15.3 1 protection cover over the two rolls. The machine will automatically stop if the cover is opened.



Video Link:  





Comercial Terms:



  Standard fumigation board packaging.




Payment Terms:

    40% down payment by T/T within ten banking days of signing Contract

      60% by T/T before the shipment



    Shipping date is 70 days after receiving down payment.

     Shipping from Guangzhou HUANGPU port.



    There will be 12 warranty upon acceptance for the equipment, except wear off spear parts.



All the machines are tested and commisioning well before the shipment. The buyer is required to install the machines according to the instruction of the Operator’s Manual. We could provide training on our factory site for free. If necessary, we could send engineers to the customer site to guide the equipment installation and commissioning until the machines could operate normally. In this case, the buyer should be responsible for our engineer’s accommodation, food and transportation fees. Also the buyer should pay USD120/day per person as the service fee to the engineers.


 About Us:

HARDEN INDUSTRIES LTD is an industrial group specializing in the designing and manufacturing of plastic processing equipments.  and are our brands focusing on designing and manufacturing laboratory used precise extrusion machines for plastics and rubber industry. POTOP mainly focuses on complicated and customer tailored lab extrusion systems, while Hartek mainly focusing on simple and standarded lab extrusion machines. 


The main advantages of our lab extrusion products are high precise and high stable with updated technology and design and reliable instant after-sales services. Our customers range from international companies to a lot of universities 


For detail information on our company and our lab extrusion products, please browse our website at www.lab-extrusion.com and email us directly.


Factory & Trade Show:

Our factory for lab extrusion machines locates in Guangzhou city. Also, we take some shows in plastics industry, e.g. ChinaPlas, K-Show, NPE, etc.  We welcome you to visit us if possible. 




 Our Certifications:


Most of standard models of our lab extrusion equipment have CE certificate issued by SGS. For customer-tailored models, CE certificate would be available as per request.



 Contact Us:



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