Product Introduction归档 - Lab Extruder Machine

A Technical Guide to the Hartek Conical Twin-Screw Extruder

For researchers and compounders working with high-viscosity materials—rubbers, engineering resins, and bio-based polymers—the difference between a successful formulation and a failed experiment often comes down to three critical parameters: temperature profile, screw speed, and draw ratio. These are not merely settings to be dialed in arbitrarily; they are interdependent variables that determine melt quality, dispersion […]

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MT16 Benchtop Lab Film Extrusion Line

For polymer film researchers, the path from a promising new formulation to a production-ready product is rarely straightforward. You know the scenario all too well: a carefully developed formula that performs beautifully in the lab, yet demands kilograms of expensive engineering plastic just for a single trial run on production-scale equipment. Film thickness fluctuates unpredictably.

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Mastering Melt Spinning R&D Using the Single-Screw Spinning Line

For fiber material researchers, the journey from polymer pellets to consistent, high-quality filaments is rarely smooth. You have likely encountered the familiar frustrations: new formulations that break incessantly during spinning, fiber diameters that fluctuate unpredictably, and expensive specialty materials wasted in trials requiring kilograms of feedstock. Perhaps most discouraging is when promising lab-scale results fail

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Blown Film vs. Cast Film Extrusion – What’s the Difference?

In the world of plastic film production, two dominant manufacturing processes stand out: blown film extrusion and cast film extrusion. These methods are essential for creating flexible plastic films used in countless industries. But what exactly are the differences, and how do these technologies contribute to a more efficient and sustainable world? Let’s dive into

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Guide to Elastomer Mixing Technology on Two-Roll Mill

In the research and development and trial production stages of rubber and polymer materials, the lab two-roll mill is a key piece of equipment for elastomer compounding. Its operational precision affects the uniformity of the compound, the repeatability of experimental data, and the performance of subsequent processing. To ensure stable and repeatable compounding results, it

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How to solve the problem of mixing roller sticking?

In the mixing of rubber and plastics using an open mill, the problem of roller sticking not only severely slows down production efficiency but also makes cleaning time-consuming and labor-intensive. Furthermore, repeated roller sticking can cause localized overheating of the rubber compound, thus affecting the mixing quality. So, why does roller sticking occur? In most

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How to Choosing a Laboratory Open Mixing Mill?

The structure of a two-roll open mixing mill is not complex: two parallel rolls rotate relative to each other at different speeds. Material is drawn into the roll gap (roll distance) and subjected to intense shearing and compression. Water or oil can be circulated inside the rolls for heating/cooling, thus controlling the material temperature. The

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Comprehensive Analysis of Extruders

Comprehensive Analysis of Extruders: Working Principle, Classification, Structure, Application Industries, and Selection Guidelines An extruder, fully known as a screw-type plastics extruder, is the core primary equipment in the field of polymer material processing. It is often hailed as the “machine tool of the plastics processing industry.” Its core principle is to use the rotational

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Laboratory Twin-screw Melt Spinning Machine Application

What is the R&D value of PET/PP spinning? The answer may not lie in the laboratory, but in the end-application fields of seven major industries. HALU’s laboratory twin-screw melt spinning machine is helping customers in various industries quickly transform new material formulations into evaluable fiber samples. Packaging Industry: Biodegradable PBAT/PLA flat and monofilament yarns for

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Desktop Spinning Extruder

Researchers working on new materials have all experienced this: They painstakingly produce a sample in the lab using a desktop spinning extruder, and the performance seems promising. However, when they confidently prepare to scale up the production line, the resulting product either lacks strength, has a rough surface, or simply cannot be extruded. Upon investigation,

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How can an internal mixer achieve full material compatibility?

The compounding materials vary greatly across different industries: the packaging industry uses white masterbatch (50% titanium dioxide content) and filler masterbatch; agriculture requires anti-aging masterbatch; industry prefers high-filler cable materials; food grade requires low-migration color masterbatch; medical relies on medical-grade silicone and TPE; and special materials challenge functional systems such as carbon nanotubes and graphene.

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Understanding the Differences Between Cast and Blown Extrusion in Film Production

In the field of plastic film production, cast extrusion and blow extrusion are two major production methods. These two technologies play a crucial role in various industries, including medical and pharmaceutical packaging. They differ in terms of process, performance, and applications. This article will explore these differences in detail and analyze the application of these

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Why do your cast film always have vertical stripes?

Longitudinal streaks are one of the most troublesome problems in cast film machine experiments—periodic or random patterns appear along the traction direction, sometimes fine like sharkskin, sometimes coarse and twisted. Many people’s first reaction is “the die is clogged” or “the material is bad,” and then they blindly clean and change materials, but the problem

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Guide to Optimizing Material and Process Parameters for Blown film

I. Comparison of blown film characteristics of three biodegradable materials Material Melt strength Thermal stability Difficulty PLA Low Poor (easily hydrolyzed and thermally degraded) The membrane bubble is prone to shaking, has large lateral shrinkage, and the membrane is brittle. PBAT medium better Highly adhesive, prone to sticking, and difficult to roll up. PBS Low/medium

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Desktop Extruder For Blown Film, Wire and Granulation

When desktop extruders are mentioned, many people immediately think of “3D printing filament machines.” However, by changing the die head and auxiliary equipment, the same desktop extruder can produce cast films, blown films, sheets, granulation, and even melt spinning. This is the concept of a “desktop polymer processing platform” advocated by Hartek. I. Universal Main

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Recombinant Rice Formulation – Lab Twin-Screw Extruder

Amidst the wave of innovation in the food industry, reconstituted rice is gaining widespread attention as an emerging food ingredient. However, the high costs and low efficiency resulting from repeated trials in the formulation development of reconstituted rice have become a key bottleneck restricting technological breakthroughs for enterprises. To address this need, Hartek’s lab twin-screw

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Selection Guide for Single-Layer and Multi-Layer Co-Extrusion Blown Film Machine

When developing polymer films, blown film machine lines are used. Laboratory blown film machines are divided into single-layer and multi-layer types. The R&D team needs to select the technology according to its own needs. Single-layer vs. multi-layer co-extrusion blown film experimental lines: How to choose according to R&D needs? The following content provides an objective

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Laboratory Banbury Mixer Buying Guide

In university polymer materials laboratories and corporate R&D centers, banbury mixers (also known as closed-loop rubber mixing mills) are core equipment for research on the blending and modification of plastics, rubber, and elastomers, filler dispersion, and reactive processing. A suitable laboratory banbury mixer should not only accurately reflect the mixing behavior of materials but also

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How to Select a Laboratory Twin-screw Granulation Line

When conducting research and development on new materials, processes, or formulations in the laboratory, ensuring experimental efficiency and scalable reproducibility of data during sample preparation is crucial. As the core equipment for sample preparation, the performance adaptability of the laboratory twin-screw granulation line directly impacts the research results. When selecting a lab twin-screw granulation line,

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Choosing A Right Lab Two Roll Open Mixing Mill

What’s Lab Two Roll Open Mixing Mill? A laboratory two roll open mixing mill is a small, specialized laboratory piece of equipment used to process or prepare rubber or plastic mixtures. Its structure is similar to that of an industrial mixer, but it is smaller and typically processes only a small amount of raw material

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Miniature Twin-screw Extruder

A micro twin-screw extruder from Hartek has been installed, commissioned, and operated by a university in Qingdao, Shandong Province, and has been officially delivered to the customer’s laboratory for use. This equipment is specifically designed for the blending and modification of trace polymer materials, formulation screening, and small-batch preparation of high-value materials. Its compact structure

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Laboratory Three-Layer Co-Extrusion Blown Film Machine

Performance of the Laboratory Three-Layer Co-Extrusion Blown Film Machine: Applications of co-extrusion blown film machine: Technical Parameters： Model / 型号 HTBS-20C Screw Diameter / 螺杆直径 20mm L/D Ratio / 长径比L/D 28:1 Max. Speed / 最高转速 120rpm Heating/Cooling Method / 加热/冷却方式 Electrical heating / Air cooling Max. Temp. / 最高温度 350℃ Temp. Control Accuracy / 温控精度

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Selection Guide for Conical and Parallel Twin-Screw Extruder Lab Machine

In polymer materials research laboratories, twin-screw extruders are crucial for material blending modification, reactive extrusion processes, and the preparation of functional masterbatches; their selection directly impacts experimental efficiency. Currently, mainstream mixing equipment is mainly divided into two types: conical twin-screw extruders and parallel twin-screw extruders. Although they appear similar, differences in screw structure lead to

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Blown Film Defect Detection Test Line

The blown film defect detection test line consists of a drive system, extrusion system, ring die, blow-up device, cooling air ring, traction system, winding system, film defect detection system, and electrical control system. It is widely used in food packaging, agricultural covering, and medical materials. The film gel and black spot detection system is an

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Applications & FAQ of Desktop Extruder

Using a desktop extruder to create your filaments can be cost-effective, as it can save you money on buying pre-made filaments.A desktop extruder allows you to customize the color and material of your filament, allowing you to create unique 3D prints. With a desktop extruder, you can recycle old 3D prints or plastic waste and

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3D Filament Extrusion Line

The 3D filament extrusion line consists of a precision single-screw extruder, wire die, water cooling system, wire storage system, traction system, diameter measuring instrument system, winding system, and measurement and control system, which can realize functions such as wire extrusion, cooling, diameter measurement, and winding. 3D Filament Extrusion Line Working Principle A filament extruder is

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Working principle of a laboratory two-roll open mixer

Lab Two-roll Open Mixer A laboratory two-roll open mixer has two horizontally arranged rollers that rotate in opposite directions at different speeds. When material is fed into the upper area between the two rollers, it is drawn between them due to friction and adhesion between the material and the roller surfaces, as well as the

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Increase output: The Secret of Extruder Cooling

Have you ever encountered this frustrating problem? You bought the best machines, used top-secret formulas, but the extruded films are riddled with fisheyes, uneven in thickness, or inexplicably deteriorate and discolor? Waste piles up, and your profits are practically wasted! Hey, stop blaming the raw materials, and stop firing your technicians. Today, I’m going to

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Detailed Explanation of Two-Roll Open Mill

In experimental operation of a small two-roll open mill, the speed ratio of the front roll to the rear roll, the temperature setting, and the roll gap are three process factors related to the mixing quality. These parameters affect the shear strength, dispersion uniformity, roll wrapping behavior, and thermal history of the material, ultimately impacting

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Lab Small-Scale Melt Spinning Machine

Hartek Technology Lab Single-Screw Melt Spinning Machine: Used for the preparation of PA6 nascent fibers. Features melt extrusion, spinning, and automatic winding functions; temperature and speed are adjustable. Produces uniform and stable spinning, suitable for subsequent stretching processes. Supports process development for nylon 6 industrial yarns or high-strength fibers.

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Product Introduction

A Technical Guide to the Hartek Conical Twin-Screw Extruder

MT16 Benchtop Lab Film Extrusion Line

Mastering Melt Spinning R&D Using the Single-Screw Spinning Line

Blown Film vs. Cast Film Extrusion – What’s the Difference?

Guide to Elastomer Mixing Technology on Two-Roll Mill

How to solve the problem of mixing roller sticking?

How to Choosing a Laboratory Open Mixing Mill?

Comprehensive Analysis of Extruders

Laboratory Twin-screw Melt Spinning Machine Application

Desktop Spinning Extruder

How can an internal mixer achieve full material compatibility?

Understanding the Differences Between Cast and Blown Extrusion in Film Production

Why do your cast film always have vertical stripes?

Guide to Optimizing Material and Process Parameters for Blown film

Desktop Extruder For Blown Film, Wire and Granulation

Recombinant Rice Formulation – Lab Twin-Screw Extruder

Selection Guide for Single-Layer and Multi-Layer Co-Extrusion Blown Film Machine

Laboratory Banbury Mixer Buying Guide

How to Select a Laboratory Twin-screw Granulation Line

Choosing A Right Lab Two Roll Open Mixing Mill

Miniature Twin-screw Extruder

Laboratory Three-Layer Co-Extrusion Blown Film Machine

Selection Guide for Conical and Parallel Twin-Screw Extruder Lab Machine

Blown Film Defect Detection Test Line

Applications & FAQ of Desktop Extruder

3D Filament Extrusion Line

Working principle of a laboratory two-roll open mixer

Increase output: The Secret of Extruder Cooling

Detailed Explanation of Two-Roll Open Mill

Lab Small-Scale Melt Spinning Machine

Product Categories

Recent Post

Twin-screw hot melt extruder – Suzhou CMC Exhibition

A Technical Guide to the Hartek Conical Twin-Screw Extruder

MT16 Benchtop Lab Film Extrusion Line

Mastering Melt Spinning R&D Using the Single-Screw Spinning Line

Blown Film vs. Cast Film Extrusion – What’s the Difference?

Guide to Elastomer Mixing Technology on Two-Roll Mill