model

QH-WDZ-YJ-J90

QH-WDZ-YJ-J105

QH-WDZ-YJ-J125

Test items

test method

Test conditions

Company

Test value

Test value

Test value

density

ASTM D792

room temperature

g/cm³

1.5

1.5

1.5

Shore hardness（A）

ASTM D2240

room temperature

lx-A

97

97

97

Temperature resistance grade℃

90

105

125

Oxygen index

GB/T 2406

room temperature

%

34

34

34

Tensile strength

GB/T 2951

250 mm/min

Mpa

10.6

10.8

11.1

elongation at break

GB/T 2951

250 mm/min

%

206

210

205

20℃Volume resistivity

GB/T 8815

24h immersion test voltage 1000V

Ω·m

5.2*1013

4.8*1013

4.5*1013

Working temperature volume resistivity

GB/T 8815

At operating temperature

Ω·m

5.1*1010

2.6*1010

4.6*1010

Environmental protection characteristics

Comply with RoHS and reach requirements

tensile strength

GB/T 2951

250 mm/min

Mpa

10.9

11.4

11.5

elongation at break

GB/T 2951

250 mm/min

%

199

225

220

Thermal aging of air box

120℃*168H

135℃*168H

158℃*168H

Change rate of tensile strength

GB/T 32129

250 mm/min

%

8

14

12

Change rate of elongation at break

GB/T 32129

250 mm/min

%

-8

-9

-10

Dielectric strength

GB/T 1408.1

---

MV/m

28

28

28

Impact embrittlement strength

GB/T 5470

-25℃

Number of failures

≤15/30

≤15/30

≤15/30

Thermal elongation test

200℃. 15min,0.2mpa

200℃. 15min,0.2mpa

200℃. 15min,0.2mpa

Elongation under load

GB/T 2951.21

---

%

30

35

30

Long term deformation rate

GB/T 2951.21

---

%

5

0

5

Smoke density

Flaming

GB/T 8323.2

---

--

≤350

≤350

≤350

flameless

GB/T 8323.2

---

--

≤100

≤100

≤100

HCI and HBr content

---

%

ND

ND

ND

HF content

---

%

ND

ND

ND

PH value

---

/

5.1

5.6

6.2

conductivity

---

μ S/mm

4.2

4.6

5.2