What are the available surface treatment options?

Options include heat treatment, high frequency treatment, nitriding treatment, hard chrome plating, and nickel alloy plating.

What is the minimum order quantity or pricing structure?

Pricing is calculated per unit length or piece, e.g., 1.3 USD per mm for 71MM Screw elements and 650 USD per piece for TSE-75 barrel.

What types of plastics can this extruder handle?

It handles general plastics, ABS, PA, PC, PE, PET, PS, PU, PVC, U-PVC, PA+GF, flame-resistant reinforced plastics, and mixed recycled materials.

Screw and Barrel for Plastic Extruder Machine

Name: Screw and Barrel for Plastic Extruder Machine
Brand: Nanjing Kairong Machinery Tech. Co., Ltd.
SKU: 878543405

Jiangsu, ChinaNanjing Kairong Machinery Tech. Co., Ltd.

US$2,000.00

1 Set

Product profile

Customization

Available

Technics

Casting

Feature

Wear Resistant

Model NO.

Material

Stainless Steel

Application

for Extruder

Transport Package

Wooden Cases

Specification

as require

Trademark

Origin

Jiangsu

Production Capacity

3000 Sets Per Year

Key features

Bimetallic Construction: Centrifugal casting and plasma alloy coating for enhanced wear resistance and durability.

Modular Design: Flexible screw barrel sections with various pitches, lengths, and kneading blocks for customization.

High Precision Manufacturing: Screw straightness of 0.015mm and surface roughness Ra0.4um for high accuracy.

Self-Cleaning Function: Intermeshing co-rotating screws with narrow clearance to prevent residue accumulation.

Advanced Surface Treatment: Nitriding, hard chrome plating, and bimetallic alloy options with hardness up to HRC 72.

Wide Material Compatibility: Suitable for general plastics, ABS, PA, PC, PE, PET, PS, PU, PVC, and glass fiber reinforced materials.

Efficient Heating and Cooling: Fast intensive heating with electrical heaters and water cooling via internal bore system.

OEM/ODM Services: Customization available for screw elements, barrel structure, and processing parameters.

Company profile

Nanjing Kairong Machinery Tech. Co., Ltd.

Jiangsu, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2015-09-01 CertifiedNearest Port: Shanghai PortAverage Response Time: ≤3.77h CertifiedTerms of Payment: LC, T/T

AI-Powered supplier vetting

SummaryNanjing Kairong Machinery Tech. Co., Ltd. is identified as a China-based limited company and trade company engaged in manufacturing and processing machinery, particularly extruders and plastic recycling equipment. The supplier reports 200 twin screw extruders of annual output, five production lines, and 6–10 quality-control staff. It describes design, manufacturing, commissioning, packing, and after-sales capabilities, and states that it provides whole-plant and turnkey solutions. Export activity began in 2015, with 41%–50% of sales reportedly from exports, and customer locations are listed across several countries. However, the evidence does not establish any certifications, provides only limited direct customer-case detail, and indicates just one total R&D engineer. The supplier’s legal identity, operating location, product scope, and production information are documented, but several capability areas remain only partially evidenced.

Supplier typeThe supplier is identified as Nanjing Kairong Machinery Tech. Co., Ltd., a China-based limited company with a combined business entity type. It is described as a trade company, while its commercial engagement is manufacturing and processing machinery, indicating a mixed trading and machinery-supply profile.

After-Sales capabilityThe supplier explicitly states that it provides after-sales service and has aftersales staff, while also describing service as a quality objective. These statements support the existence of an after-sales function, although no staffing detail, response standard, or service performance evidence is provided.

Production capacityThe supplier reports annual production of 200 twin screw extruder sets, operates five production lines, and has 6–10 quality-control staff. A stated factory location and manufacturing plant area further support production activity, although the reported workforce size is small and capacity details are limited to the listed product output.

Customization capabilityThe supplier states that it develops new designs and offers solutions designed to meet different customer requirements, including whole-plant and turnkey solutions. This directly supports customization and project-solution capability, though no specific customized project examples or technical scope are supplied.

Product Q&A

Q:What is the production time for this product?

Production time is 20-25 days after order.

Q:What materials are used for the screw and barrel?

Base materials include 38CrMoAlA, Cr12MOV, 4Cr5MoSiV1, and 42CrMo. Bimetallic options include Fe-based, Ni-based, Co-based, and Tungsten carbide alloys.

Q:Can the screw and barrel be customized?

Yes, the modular design allows for customization of screw elements, barrel structure, L/D ratio, and venting locations based on process requirements.

Q:What is the hardness of the bimetallic layer?

The bimetallic layer hardness ranges from HRC 57 to 72.

Q:How is the product packaged for export?

Packaging includes wooden cases or anti-rust oil processing followed by stretch film covering to prevent moisture damage.