Gold Member Since 2013
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Zhangjiagang Friend Machinery Co., Ltd.

Plastic Extruder, Sj25 Extruder, Small Extruder manufacturer / supplier in China, offering Mini Lab Small Plastic Extruder, PVC Hot Cutting Pelletizing Machine with CE, PVC Hot Cutting Plastic Granulation Machine with CE and so on.

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Supplier Homepage Product Single Screw Plastic Extruder Mini Lab Small Plastic Extruder

Mini Lab Small Plastic Extruder

FOB Price: US $4,000 / Set
Min. Order: 1 Set
Min. Order FOB Price
1 Set US $4,000/ Set
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Production Capacity: 40
Transport Package: Wood Box
Payment Terms: T/T, Western Union, Paypal, Money Gram

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Basic Info
  • Model NO.: SJ 25
  • Plastic Processed: PP PE
  • Automation: Automatic
  • Name: Lab Extrusion Machines
  • Contactor: Siemens
  • Model Number: Sj25
  • Specification: CE ISO
  • HS Code: 84778000
  • Type: Piston Extruder
  • Screw: Single-Screw
  • Computerized: Computerized
  • Heating Zone: 3 Periods
  • Screw Material: 38crmoala
  • Trademark: Friendmachiney
  • Origin: China
Product Description


SJ Series co-extrusion single screw extruder


Description of product:

Single screw extruder can process all kind of plastics products with auxiliary machines concerned, such as film, pipe, stick, plate, thread ,ribbon, insulating layer of cable, hollow products and so on .It is also used in graining. The machine design is advanced, production capacity is high, plasticization is good, and energy consumption is low. The extruder adopts hard gear surface for transmission. It has advantages of low noise, smooth operation, large loading, long use-life and so on.

JH series back&front single screw co-extruder is developed and imported the latest German technique, easy operation and have a wide range use for different material,it is mainly use for color extrusion and sealing joint strip co-extrusion of profiled and polyolefin color co-extrusion.

Mini Lab Small Plastic Extruder
Mini Lab Small Plastic Extruder
Mini Lab Small Plastic Extruder

Model No.                                    SJ25

Screw Diameter

25 mm

Ratio of L/D

25 : 1

Screw Material


Hardness of Screw


Depth of Nitrogen Treatment

0.4-0.7 mm

Screw Straightness

< 0.015 mm

Main Motor Power


Heating Method

Casting Aluminum Heater

Heating Zones

3 Periods ( Screw Barrel 2periods , Head Piece 1 Periods )

Heating Power :


Cooling Method :

Forced Air Cooling

Fan Motor Power


Screw Maximum Rotating Speed

40 rpm

Maximum Capacity


2 , Main Parts :

Name :

Manufacturer :

Main Motor

AC Motor


Screw and Barrel

Jinjiu Screw

Electrical System

Siemens Contactor

RKC Temperature Control Meter


ABB Frequency Converter

3 , Equipment Simple Description

The extruder is applied for plastic extrusion, through the hopper into the barrel, the material goes into the mould through the screw's transmission, compression, mixing and measurement. The material of screw and barrel is 38CrMoAlA, after quenching , tempering and nitrogen treatment
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Mr. Martin Liang
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