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A professional manufacturer of ethylene oxide, propylene oxide, adipic acid downstream derivatives and polyurethane materials

Polyester prepolymer series

Polyurethane casters

Polyurethane sun wheel

Polyurethane casters

Polyurethane screen

 

Product consultation: Manager Liu 18553303677

 

Series introduction:

Polyester prepolymer products have good wear resistance and solvent resistance, strong load-bearing capacity, ultra-high tensile and tear strength, can be added with pigments to adjust the color, can be used to make heavy-duty wheels, electric forklift wheels, rollers, coating rollers, impellers, seals, screen plates, pipe cleaners and some polyurethane elastomer parts.

 

Technical indicators:

Model

D3130

D3136

D3140

D3145

Prepolymer properties

NCO Content ( % )

3.0±0.2

3.6±0.2

4.3±0.2

4.5±0.2

25 ℃Appearance

White solid

White solid

White solid

White solid

Processing technology

MOCA Dosage ( g/100g Prepolymer)

8.6

10.5

12.5

13

Prepolymer temperature ( )

80

80

75

75

MOCA Temperature ( )

115-120

115-120

115-120

115-120

Gel time ( min )

12

9

8

7.5

Post-curing time ( h/100℃ )

16

16

16

16

Hardness (Shore A )

GB/T 531.1

80±2

85±2

90±1

91±2

Model

D3150

D3160

Prepolymer properties

NCO Content ( % )

5.0±0.2

6.0±0.2

25 ℃Appearance

White solid

White solid

Processing technology

MOCA Dosage ( g/100g Prepolymer)

14.5

17.2

Prepolymer temperature ( )

80

80

MOCA Temperature ( )

115-120

115-120

Gel time ( min )

6

5

Post-curing time ( h/100℃ )

16

16

Hardness (Shore A )

GB/T 531.1

94 ± 2

96±2

Model

D3236

D3243

D3249

D3260

Prepolymer properties

NCO Content ( % )

3.6±0.2

4.3±0.2

4.9±0.2

6.0±0.2

25 ℃Appearance

White solid

White solid

White solid

White solid

Processing technology

MOCA Dosage ( g/100g Prepolymer)

10.6

12.5

14

17.2

Prepolymer temperature ( )

80

80

75

75

MOCA Temperature ( )

115-120

115-120

115-120

115-120

Gel time ( min )

4

3.5

3

2

Post-curing time ( h/100℃ )

16

16

16

16

Hardness (Shore A )

GB/T 531.1

86±2

90±2

94±2

97±2 47D )