Standard Bimetallic Screw Barrel For Plastic PVC Pipe Extruder

Specification: Φ15-Φ300
L/D Ratio =10-56
Base Materials: SACM645,SCM440,SKD61
Treatment: Nitrided & Bimetallic
Hardness: HRC55-HRC70
Delivery Time: 20-25 days
12 Months guarantee after shipment

Product Description:

Extrusion Type Screw Compression Ratio Specification：

Screw Compression Ratios For Commonly Used Plastics
Plastics	Compression Ratio	Plastics	Compression Ratio
Rigid PVC(pellet)	2.5(2~3)	ABS	1.8(1.6~2.5)
Rigid PVC(powder)	3~4(2~5)	POM	4(2.8~4)
Soft PVC(pellet)	3.2~3.5(3~4)	PC	2.5~3
Soft PVC(powder)	3~5	PPO	2(2~3.5)
PE	3~4	PSF(sheets)	2.8~3
PS	2~2.5(2~4)	PSF(film)	3.7~4
Cellulose plastic	1.7~2	PSF(Pipe & Sheet)	3.3~3.6
PMMA	3	PA-6	3.5
polyester	3.5~3.7	PA-66	3.7
PP	3.7~4(2.5~4)	PA-11	2.8(2.6~4.7)
PCTFE	2.5~3.3(2~4)	PA-1010	3

General Barriers Specification：

Materials & Treatments：

⁕Bimetallic Process ：

Basis Materials: SACM645, SACM440, SKD61, SKD11

Hardness: 53-58 HRC

Coating Thickness: 1.5-2.0mm

Allication: Plastic Recycling ≤2 Times, Plastics With Glass Fiber≤35%

Wear resistance: ★★★★★

Corrosion resistance: ★★★

⁕Chrome Plating Process:

Basis Materials: SACM645, SACM440, SKD61, SKD11

Chrome Thickness: 0.02-0.08mm

Hardness of Chrome: >700 HV

Finish Grade: Ra ≤0.4

Allication: PVC and other high corrosive plastics

Wear resistance: ★★

Corrosion resistance: ★★★★★

⁕Full Hardened Process：

Basis Materials: DC53, D2, M2, SKD61, SKD11 ...

Chemical Composition: C, Si, Cr, Mn, Mo, V, Ni

Hardness: SKD61(HRC56-58), DC53( 62-63 HRC)

Application: PP PA LCP, POM, PPA, PBT, PC, PPS, PEI, PEEK with Glass Fiber ≤50%

Wear resistance: ★★★★★

Corrosion resistance: ★★★★★

71-1(1)(1).jpg

FAQS：

Q: When will you arrange the production?
A: We usually arrange the production immediately after receiving your 30% TT.

Q: What is your factory delivery time ?
A: Standard delivery time is 20 days, if the screw's diameter is less than 50mm, the delivery time will be faster to 15 days, also we have 2000 stock items ready to ship out.

Q: What is your accepted payment type?
A: T/T ,Western Union and Alipay

Q: What logistic forwarder do you usually work with?
A: We work with EMS, TNT, UPS, FEDEX and other logistric forwarders. Assigned your own forwarder for shipment is available.

Q: What is your warranty Time ?
A: Our warranty time is 12 months for all screw barrel and accessories products After delivery.