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PP/PVC/PPH/PVDF/FRP Contact

Hebei FeiYi Composite Material Co., Ltd.

PP/PVC/PPH/PVDF/FRP Contact

Country/Region china

Company Hebei FeiYi Composite Material Co., Ltd.

Categories Marked Cards Contact Lenses

Update 2020-11-20 11:37:35

ICP License Issued by the Chinese Ministry

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PP/PVC/PPH/PVDF/FRP

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1、Summarize

FRP/PVC, CPVC, PE, PP, PVDF composite pipes and containers are composites composed of plastic anti-corrosion layer as lining, special interface adhesive, and glass fiber reinforced plastic. Therefore, FRP/PVC, CPVC, PE, PP, PVDF composite pipe and tank not only have the corrosion resistance of PVC, CPVC, PE, PP, PVDF pipe and tank, but also overcome the defects of low compressive strength of PVC, CPVC, PE, PP, PVDF pipe and tank under the condition of high temperature.

The thickness of the FRP layer of FRP/PVC, CPVC, PE, PP, PVDF composite pipes and tanks can be determined according to the working pressure in the pipes and tanks.

2、Main performance of composite pipe and tank

1.Excellent corrosion resistance: hard PVC, CPVC, PE, PP, PVDF has excellent long-term corrosion resistance. The outer glass fiber reinforced plastic enhances the mechanical strength, but also plays a protective role, so that PVC, CPVC, PE, PP, PVDF in the outdoor long-term use is not easy to aging. The corrosion resistance of PVC, CPVC, PE, PP, PVDF is shown in the table.

2. High heat resistance: For example, pure PVC, CPVC pipe and tank begin to soften when the temperature is 80 ~ 85℃, 130℃ presents soft state, and 65℃ has obvious deformation, so the long-term use temperature is lower than 50℃. The heat resisting temperature of FRP/PVC, CPVC, PE, PP, PVDF composite pipe and container can be increased to 85 ~ 90℃. As measured 100 FRP/PVC, CPVC, PE, PP, PVDF tubes at 93℃ burst pressure of 14Mpa. Therefore, the safe use temperature of the composite pipe and tank is less than 80℃, and the low temperature should be higher than -15℃.

3.FRP/PVC, CPVC, PE, PP, PVDF pipe, cans strong adhesive force: PVC, CPVC, PE, PP, PVDF, and the thermal expansion coefficient of FRP performance difference is very big (PVC, CPVC, PE, PP, PVDF on the number of thermal expansion of epoxy FRP 2-4 times), due to the use interface adhesive as a transition layer, it to PVC, CPVC, PE, PP, PVDF and between FRP has the high cohesive force, can resist stress produced by heat bilges cold shrink, stability of the pipe, the performance of the tank.

The product specimens were boiled at 90℃ for 1 hour and then immediately frozen at -10℃ for half an hour. The impact of heat and cold alternated for 10 times. There was no stratification at the interface, and the interlaminar shear strength was ≥7Mpa.

4.CPVC is mainly characterized by temperature resistance increased by 40℃, density increased, flame resistance improved, other properties similar to polyethylene.

Main indexes of FRP/PVC and CPVC composite pipe

Project

Performance indicators

Tensile strength

MPa

≥160

Bending strength

MPa

≥180

The impact strength

MPa

≥16

Shear strength between layers

MPa

≥7

Linear expansion coefficient

d×10-5/℃1585℃

2.54×10-5/℃

Minimum blasting stress

FRP/PVC, CPVC composite pipe

MPa

g2018

FRP/PVC, CPVC pipe fittings

MPa

g2015

PVC and CPVC reinforcing layer at the junction

MPa

g12

3、Main properties of FRP/PVC, CPVC composite pipe and tank

In addition to the properties of FRP/PVC, CPVC composite pipe and tank, it also has low density, good chemical corrosion resistance, good electrical insulation, softening at about 80~130℃, and is a medium strength and tough material. For detailed data, please contact TC@fygrp.com

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