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Quick Details

  • CAS No.: 584-84-9
  • Other Names: Polyvinyl Chloride Resin
  • MF: CH2-CHCl-]n
  • EINECS No.: 265-116-8
  • Place of Origin: Anhui, China (Mainland)
  • Type: Synthetic Resin and Plastics
  • Brand Name: Sinograce
  • Model Number: PES-613
  • Purity: 100%
  • Appearance: Waxy solid
  • Solid content: 100%
  • NCO Content (%): 4.0~4.5
  • Using Mixture Ratio (PHR): 11.0~12.0
  • Life in the Reaction Kettle (75-78℃/min): 5~7
  • hardness (Shore A): 85±2
  • Tensile Strength (MPa): 45.5
  • Tearing Strength (kN/m): 55.1
  • Elongation at Break (%): 440
  • Akron Abrasion (cm3/1.61km): 0.02

Packaging & Delivery

Packaging Details: Available in 200 kg/ barrel or 25 kg/ barrel for PU Prepolymer TDI for rubber covered roller (PES-613)
Delivery Detail: 15-40 days arrive at the destination port

PU Prepolymer TDI for rubber covered roller (PES-613)

Feature

l  General purpose products, the most widely used.

l  High mechanical strength, good wear resistance.

l  Good oil resistance, solvent resistance, heat resistance.

 

 Chemical composition

l  Polyurethane prepolymer polyester TDI system

 

Technical Data

 

Plyester tdi system

Pes-610

Pes-611

Pes-612

Pes-613

Pes-614

Pes-615

Prepolymer

Appearance (25℃)

Waxy solid

Waxy solid

Waxy solid

Waxy solid

Waxy solid

Waxy solid

Nco content(%)

2.4~2.6

3.0~3.5

3.6~4.2

4.0~4.5

4.5~4.8

5.0~5.8

Using mixture ratio (phr)

6.9~7.5

8.6~9.5

9.0~10.0

11.0~12.0

13.5~14.5

15.0~16.0

Life in the reaction kettle(75-78℃/min)

5~7

5~7

5~7

5~7

3~5

3~5

Physical properties of finished products

Hardness (shore a)

60±5

75±2

80±2

85±2

90±2

95±2

Tensile strength (mpa)

28.7

33.5

42.3

45.5

48.8

52.6

Tearing strength (kn/m)

35.9

49

52

55.1

58.3

60

Elongation at break(%)

498

474

451

440

410

337

Akron abrasion(cm3/1.61km)

0.05

0.03

0.03

0.02

0.02

0.02

   

Application

 

Mainly used in the production of ordinary polyurethane elastomer products, such as a variety of industrial components, roller, rubber roller, rubber, oil seal, cushioning materials, plates, etc.

 

How to use

Suitable for manual and high temperature casting machine operation, chain extender is MOCA.

 

Attention

The prepolymer should be stored at low temperature and dry place, avoid the moisture and moisture when used

After the opening of the prepolymer should be used up as soon as possible, if not exhausted with nitrogen seal.

The storage period of unopened prepolymer is three months.

 

  

About ous

 

 

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