2024年4月7日发(作者：)

Technical data

Rubber Compounds

Performance Test Results

Contents

1

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Silicone rubber

2

5

6

7

8

8

9

10

10

10

11

General properties

Other properties

2

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3

■

4

■

Fluorosilicone rubber

SEP rubber

Curing agents

Types

Suitability by application

Standard addition quantity

5 Standard conditions for compression molding

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6

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7

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8

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Primers

Coloring agents

Application examples by industry

Technical data

1. Silicone rubber: general properties

Classification

Grade

Appearance

Density 23°C

For general purpose

KE-931-U KE-941-U KE-951-U KE-961-U KE-971-U KE-981-U KE-961T-U KE-971T-U

Milky white translucent Grayish white Milky white translucent

1.07 1.11 1.14 1.22 1.30 1.42 1.17 1.20g/cm

3

160 190 240 280 360 420 280 340Williams plasticity (10 min after remix)

C-8 C-8 C-8 C-8 C-8 C-8 C-8A C-8

Curing

Curing agent name

agent

Standard addition quantity

✽1

2.0 2.0 2.0 2.0 2.0 2.0 0.5 2.0

Linear shrinkage

✽2

P

h

y

s

i

c

a

l

s

t

r

e

n

g

t

h

% 4.0 3.9 3.9 3.4 3.0 2.7 3.6 3.4

Hardness Durometer A 31 43 52 63 71 84 62 71

Tensile strength MPa 4.7 6.5 8.2 7.3 7.5 8.8 9.7 8.8

Elongation at break % 480 370 330 320 220 100 310 260

Tear strength

crescent piece

kN/m 15

✽

3

15

✽3

23

✽3

20

✽3

20

✽3

8 25

✽3

25

✽3

11

✽4

11

✽4

11

✽4

9

✽4

12

✽4

— 11

Compression set 180°C/22 h 15

Dielectric

— 23 24 25 25 24 — — Normal state

breakdown

kV

— 21 20 25 24 23 — —

Submerged

strength

Normal state — 7 8 6 3 4 — —

Volume

TΩ·m

resistivity

Submerged — — 5 4 3 3 — —

(Not specified values)

Classification

Grade

Appearance

Density 23°C

KE-742-U

✽5

Light yellow

KE-752-U

✽5

Non post curing

KE-762-U

✽5

KE-772-U

✽5

KE-782-U

✽5

For thick section molding

KE-850-U KE-870-U KE-880-U KE-890-U

Milky white translucent Grayish white

Grayish white

1.10 1.30 1.36 1.40 1.43 1.16 1.35 1.45 1.55

g/cm

3

180 200 240 270 330 220 350 450 550Williams plasticity (10 min after remix)

C-4 C-4 C-4 C-4 C-4 C-4 C-4 C-4 C-8

Curing

Curing agent name

agent

Standard addition quantity

✽1

4.0 2.8 2.7 2.7 2.7 4.0 4.0 4.0 1.5

Linear shrinkage

✽2

P

h

y

s

i

c

a

l

s

t

r

e

n

g

t

h

% 3.6 3.0 2.7 2.6 2.5 3.9 2.9 2.7 —

Hardness Durometer A 45 53 60 71 79 56 72 80 87

Tensile strength MPa 4.4 6.0 6.7 7.5 8.5 7.6 8.3 8.5 6.0

Elongation at break % 300 250 250 200 160 300 140 100 80

Tear strength

crescent piece

kN/m 8 9 11 13 14 9 11 7 —

12

12

16

18

9

✽4

5

7

✽4

18Compression set 180°C/22 h 12

Dielectric

breakdown

strength

Normal state 26 29 26 26 29 23 23 25 —

kV

Submerged 27 30 25 26 29 23 23 25 —

Normal state 100 20 10 100 20 10 5 2 —

Volume

TΩ·m

resistivity

90 10 10 70 10 8 3 2 —

Submerged

Measurement: in accordance with JIS K 6249 Test pieces: 165°C/10 min (press cure), 200°C/4 h (post cure)

✽1 Standard addition quantity is the quantity of curing agent added to 100 parts compound.

✽2 Linear shrinkage values differ according to the curing agent used.

✽3 Angle piece

✽4 Measured values at 150°C/22 h.

✽5 The data below linear shrinkage is based on measurements on a product by compression molding at 170°C/10 min (with no post cure).

[Unit conversion] tensile strength: 10 kgf/cm

2

= 0.98 MPa; tear strength: 1 kgf/cm = 0.98 kN/m; volume resistivity: 10

14

Ω·cm = 1 TΩ·cm.

(Not specified values)

2