PPS BZ-G4

40% glass fiber reinforced PPS

Product features    

This kind of product is one of the high cost performance enhanced  polyphenylene sulfide series products manufactured by our company. It is made by mixing the glass fiber and related additives through the double screw extruder. It has good mechanical properties, high rigidity, high resistance to creep, high temperature resistance, flame retardant, chemical resistance, excellent electrical insulation, good arc resistance and so on.

Product applications

This kind of product is widely used in automobile, electronic appliance, chemical equipment, machinery, spinning machine and other industries, making motor parts, terminals; Production of vaporizers, dispenser, igniter, sliding block, brake system solenoid valve, gear, thermosensitive couple, piston ring for high temperature and size precision requirements; Production of high-end hot air duct, curling iron, hair perm, coffee pot; Making anti-corrosion devices, corrosion resistant valves, insulation devices, etc. Production of precision electrical connector, high strength shell, high temperature resistant contactor, etc.

Product performance

Test ItemsUnitPerformanceTest Standard

Density

g/cm3

1.66

GB/T 1033

Molding Shrinkage

%

0.25/0.75

GB/T 15585

Water Absorption

%

0.02

GB/T 2914

Tensile Strength

MPa

180

GB/T 1040

Elongation at break

%

1.6

GB/T 1040

Bending Strength

MPa

270

GB/T 9341

Flexural Modulus

MPa

1.3×104

GB/T 9341

Notched izod impact strength

KJ/m2

14

GB/T 1843

Melting Point

280

GB/T 4608

Heat Distortion Temperature/

HDT(1.8Mpa)

262

GB/T 1634

Volume Resistivity ×1015

Ω.m

5

GB/T 1410

Surface Resistivity ×1014

Ω

5

GB/T 1410

Permittivity 1MHz

/

4

GB/T 1409

Dielectric Strength

KV/mm

16

GB/T 1408

Flame Retardant

/

V-0

GB/T UL94

 

 

 

 Conditions:

      1. Material drying process

Temperature: 130 ~ 150 ℃ *4 hours

Note: if any metal insert molding products, need to preheat insert: metal insert preheating temperature: 130 ~ 140 ℃, time: constant temperature for 1 hour

2. Injection molding process

Mold temperature: 120 ~ 150 ℃ (can be set according to the product structure situation)

Cylinder temperature:

The front:290~300℃

In the middle:300~320℃

The last period:310~330℃

Nozzle:310~330℃

Injection pressure:80~150MPa(70-95%)

Injection speedmedium speed ~ high speed.

Pressure holding pressure:30-70MPa(20-45%)

Meter the residual amount is set 5-10mm

Loose back: 3-5 mm

Screw rotation speed: 50-120rpm.

Back pressure:0.2-5MPa

Injection molding time: according to the size of the parts, when the mold is filled with mold, and the surface is  basiclally cooling is good.

3. Post-processing technology: determined by the size of the parts.

Processing temperature: 160 ~ 180 ℃, the processing time: 4 ~ 8 hours

 

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