CPU-69-A/B (Hardness 53-63A)

Key feature

● Hardness: 53-63A

● Pot life: 120-360 sec

● Room temperature curing

● High elasticity

● Easy operation

Application

Bonding, coating, modules, casting industrial machinery and electronics industries parts and so on.

Description

CPU-69A/B is a tough, durable, polyurethane elastomer, used for mould making or prototype parts requiring high tear strength and excellent abrasion resistance.

Material specification

CPU-69A: Polyether polyol and other additives.
CPU-69B: MDI prepolymer.

Material Properties

Properties/product name

CPU-69-A

CPU-69-B

Color

Clear, Yellowish

Clear, Yellowish

Viscosity (cps/25oC)

650 ± 100

650 ± 100

Specific gravity

1.05 ± 0.05

1.2 ± 0.05

NCO Content (%)

 

22.4 - 23.4

Molding condition

Properties/product name

CPU-69-A

CPU-69-B

Material Temperature ()

30 - 50

30 - 50

Vacuuming time

30 min

60 min

Mixing ratio (Weight) 

100

32

Potlife (sec)  

120 - 360

120 - 360

Rebound (%)

30 - 40

30 - 40

Product properties

Properties/Item name

CPU-69A/ CPU-69B

Color

Yellowish

Hardness(Shore A)

58 ± 5

Tensile strength (kg/cm2)

80 ± 40

Elongation (%)

300 ± 50

Tear strength (kg/cm)

25 ± 5

Storage

Material must be kept under cool and dry condition without direct sunlight.

If opened, care must be taken and the lid of the container must be closed tightly for the unused material.

 

Shelf-life

The storage life is 6 months.

Packing

CPU-69A:200/18 kg blue drum/can.

CPU-69B: 200/18 kg red drum/can.

 

Notice: These values are based on the test of our present laboratory test specimens.