PPS BZ-G3B3

30% glass fiber reinforced and enhanced PPS

Product features

This kind of product is one of the high performance and toughening polyphenylene sulfide series products manufactured by our company.
It is made by mixing glass fiber, toughening agent and related additives through twin screw extruder.  It has the characteristics of chemical resistance, good mechanical properties, impact resistance, high temperature resistance and flame retardant.

Product applications

Because of the comprehensive performance of this product, it is used in the aerospace industry to produce all kinds of high-performance requirements for high temperature and insulation. Production of corrosion resistant valve and insulation devices in chemical industry. In the electronics industry, the production of precision electrical connector, high strength shell, high-temperature resistance contactor. In the electrical industry, it is made to produce harsh electric machine parts, terminals, switches. In the machinery industry, production shaft sleeve and piston ring for high temperature.

Product performance

 

Test Items

 

      Unit 

 

   Performance

 

  Test standard

Density

g/cm3

1.58

GB/T 1033

Molding Shrinkage

%

0.25/0.75

GB/T 15585

Water Absorption

%

0.02

GB/T 2914

Tensile Strength

MPa

125

GB/T 1040

Elongation at break

%

1.8

GB/T 1040

Bending Strength

MPa

200

GB/T 9341

Flexural Modulus

MPa

1.1×104

GB/T 9341

Notched izod impact strength

KJ/m2

17

GB/T 1843

Melting Point

278

GB/T 4608

Heat Distortion Temperature/

HDT(1.8Mpa)


255

GB/T 1634

Volume Resistivity ×1015

Ω.m

1

GB/T 1410

Surface Resistivity ×1014

Ω

2

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 ~ 310 ℃

The last period: 300 ~ 320 ℃

Nozzle: 300 ~ 310 ℃

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

Injection speed: medium 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 basically 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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