PPS BZ-M7W2

Composite filling enhanced PPS

Product features

This kind of product is one of the high performance polyphenylene sulfide (PPS) compounds manufactured by our company, it is made by mixing glass fiber and inorganic filler on the basis of PPS resins, the comprehensive performance is good, it has high rigidity and high temperature creep resistance and high hardness, low molding shrinkage rate, high temperature resistance, flame retardant, good electrical insulation performance, processing performance, good dimensional stability and other characteristics. In addition, products of this brand have a high cost performance.

Product applications

Because of its outstanding characteristics and performance, it is widely used in the automotive, electronics, electrical appliances, electrical appliances, machinery, railway, aviation and military industry fields, making auto lamp holder, lamp bowl, connector, connectors, high temperature resistantance appliances shell, nut, bolt, electric contact plate and other products.

Product performance

 

Test Items

 

      Unit 

 

   Performance

 

  Test standard

Density

g/cm3

1.98

GB/T 1033

Molding Shrinkage

%

0.25/0.5

GB/T 15585

Water Absorption

%

0.02

GB/T 2914

Tensile Strength

MPa

130

GB/T 1040

Elongation at break

%

0.8

GB/T 1040

Bending Strength

MPa

210

GB/T 9341

Flexural Modulus

MPa

1.6×104

GB/T 9341

Notched izod impact strength

KJ/m2

 7.5

GB/T 1843

Melting Point

282

GB/T 4608

Heat Distortion Temperature/

HDT(1.8Mpa)


265

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

15

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 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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