Taiyi Polymer twin-screw extrusion production line

PA66 Grade Selection

Glass Fiber Reinforced PA66 Compounds

Explore 16 PLATFORM® PA66 grades from GF15 to GF50. Compare strength and heat-deflection data, then check moisture and assembly requirements.

PA66 GF Compounds

GF15–GF50 across strength, heat deflection, and moisture

Grade directory

PA66 glass-fiber grades

Grades are ordered by glass-fiber content. Compare the published properties, then open a grade or request its full TDS.

16 listed grades
Full parameters & test methods

Scroll sideways to compare all properties →

Grades ordered by glass-fiber content
Grade / TDSGlass fiberTensile stressFlexural strengthFlexural modulusNotched impactHDT (1.8 MPa)Water absorption
15%130 MPa205 MPa5400 MPa6.5 kJ/m²240 °C0.8~1.2 %
15%105 MPa160 MPa4400 MPa15 kJ/m²225 °C0.8~1.2 %
20%147 MPa230 MPa6500 MPaNot published250 °C0.9 %
25%140 MPa205 MPa7200 MPa9.5 kJ/m²230 °C0.4~0.8 %
25%180 MPa270 MPa7700 MPa10 kJ/m²250 °C0.5~0.9 %
30%200 MPa290 MPa9000 MPa12 kJ/m²250 °C0.5~0.9 %
30%195 MPa290 MPa8700 MPa12 kJ/m²250 °C0.5~0.9 %
30%180 MPa280 MPa9000 MPa11 kJ/m²250 °C0.5~0.9 %
33%190 MPa280 MPa10000 MPa10.5 kJ/m²255 °C0.5~0.9 %
33%200 MPa290 MPa10000 MPa11 kJ/m²250 °C0.5~0.9 %
35%225 MPa325 MPa10600 MPa14.5 kJ/m²255 °C0.5~0.9 %
40%160 MPa230 MPa9240 MPaNot published255 °C0.7 %
45%250 MPa365 MPa13800 MPa16.5 kJ/m²255 °C0.3~0.7 %
45%245 MPa350 MPa12500 MPa20 kJ/m²260 °C0.5 %
50%240 MPa355 MPa14800 MPa18 kJ/m²250 °C0.3~0.7 %
50%235 MPa345 MPa14400 MPa17 kJ/m²250 °C0.3~0.7 %
01

PA66 · Glass fiber 15%

EAG215

View grade data
Density
1.25
Tensile stress
130 MPa
HDT (1.8 MPa)
240 °C
Flammability
HB
02

PA66 · Glass fiber 15%

EAG215A

View grade data
Density
1.2
Tensile stress
105 MPa
HDT (1.8 MPa)
225 °C
Flammability
HB
03

PA66 · Glass fiber 20%

EAG220

View grade data
Density
1.27
Tensile stress
147 MPa
HDT (1.8 MPa)
250 °C
Flammability
HB
04

PA66 · Glass fiber 25%

EAG225

View grade data
Density
1.32
Tensile stress
140 MPa
HDT (1.8 MPa)
230 °C
Flammability
HB
05

PA66 · Glass fiber 25%

EAG225H

View grade data
Density
1.32
Tensile stress
180 MPa
HDT (1.8 MPa)
250 °C
Flammability
HB
06

PA66 · Glass fiber 30%

EAG230

View grade data
Density
1.37
Tensile stress
200 MPa
HDT (1.8 MPa)
250 °C
Flammability
HB
07

PA66 · Glass fiber 30%

EAG230H

View grade data
Density
1.38
Tensile stress
195 MPa
HDT (1.8 MPa)
250 °C
Flammability
HB
08

PA66 · Glass fiber 30%

EAG230HA

View grade data
Density
1.37
Tensile stress
180 MPa
HDT (1.8 MPa)
250 °C
Flammability
HB
09

PA66 · Glass fiber 33%

EAG233

View grade data
Density
1.4
Tensile stress
190 MPa
HDT (1.8 MPa)
255 °C
Flammability
HB
10

PA66 · Glass fiber 33%

EAG233H

View grade data
Density
1.4
Tensile stress
200 MPa
HDT (1.8 MPa)
250 °C
Flammability
HB
11

PA66 · Glass fiber 35%

EAG235H

View grade data
Density
1.42
Tensile stress
225 MPa
HDT (1.8 MPa)
255 °C
Flammability
HB
12

PA66 · Glass fiber 40%

EAG240

View grade data
Density
1.4
Tensile stress
160 MPa
HDT (1.8 MPa)
255 °C
Flammability
HB
13

PA66 · Glass fiber 45%

EAG245

View grade data
Density
1.53
Tensile stress
250 MPa
HDT (1.8 MPa)
255 °C
Flammability
HB
14

PA66 · Glass fiber 45%

SPUN-9200

View grade data
Density
1.53
Tensile stress
245 MPa
HDT (1.8 MPa)
260 °C
Flammability
Not published
15

PA66 · Glass fiber 50%

EAG250

View grade data
Density
1.57
Tensile stress
240 MPa
HDT (1.8 MPa)
250 °C
Flammability
HB
16

PA66 · Glass fiber 50%

EAG250H

View grade data
Density
1.57
Tensile stress
235 MPa
HDT (1.8 MPa)
250 °C
Flammability
HB

Comparison basis: GF content ISO 1172; tensile stress ISO 527; flexural properties ISO 178; notched Charpy impact at 23 °C ISO 179/1eA; HDT at 1.8 MPa ISO 75; water absorption at 23 °C and 50% RH ISO 62. These are typical web reference values. The catalog does not specify the dry or conditioned state of the mechanical data; confirm it in the grade-specific TDS before final selection.

Engineering Trade-offs

Reinforcement changes more than stiffness

Use GF content to narrow the PA66 range, then evaluate the complete molded system. Higher listed reinforcement does not automatically produce the better part.

Increasing glass-fiber content can support

Within a suitable PA66 formulation and comparable test basis, reinforcement is commonly screened for these structural and thermal requirements.

  • Higher stiffness and short-term load response
  • Higher tensile and flexural strength
  • Higher heat-deflection response
  • Improved creep resistance
  • Dimensional control under load

The final shortlist still depends on

Fiber percentage is only one input. Moisture state, geometry, process history and local orientation can change the molded and assembled result.

  • Impact requirement and failure mode
  • Fiber orientation and directional properties
  • Shrinkage balance and warpage
  • Surface appearance and exposed fibers
  • Moisture state and dimensional conditioning
  • Weld lines, gate position and local stress

Application Context

Connect the grade to the part architecture

Define the part's load, thermal exposure and assembly conditions, then confirm the evidence needed for your application.

Before Final Selection

Validate moisture, molding and the actual part

PA66 GF screening must keep moisture state, heat, process conditions and orientation on the same evidence chain. Use published data to narrow the range, then validate the molded part and assembly.

  1. 01

    Set the specimen and moisture state

    Identify the conditioning basis behind each value and avoid comparing dry and conditioned results as though they were interchangeable.

  2. 02

    Confirm drying and melt handling

    Follow grade-specific processing guidance and control residence time and moisture before interpreting a molding trial.

  3. 03

    Map fiber orientation to the load path

    Check gates, flow direction, weld lines, ribs and inserts against the critical structural direction.

  4. 04

    Measure dimensions and warpage

    Use the actual tool and conditioning sequence. Current catalog shrinkage coverage is incomplete and cannot replace part measurement.

  5. 05

    Test thermal and assembly conditions

    HDT is a screening measurement, not a universal continuous-use temperature. Validate load, time, cycling and assembly restraint.

  6. 06

    Close project-specific evidence

    Confirm repeatability, function, environment, documents and customer requirements before production release.

Taiyi Polymer tensile-test specimen clamped in laboratory testing equipment
In-house tensile-test specimen setup. Confirm the grade-specific test basis and moisture state before final selection.

Project Inquiry

Move from PA66 GF screening to a molding decision

Share the part, current material, load, temperature, moisture state, mold stage, target properties and document requirements. Taiyi Polymer can help narrow the listed grades for project evaluation.

01Part & operating conditions

02Grade data & documents

03Molded-part validation