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TDI 80/20 PPG Prepolymer The Preparation Of PU Bars Raw Material

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TDI 80/20 PPG Prepolymer The Preparation Of PU Bars Raw Material

Name: TDI 8020 PPG Prepolymer The Preparation Of PU Bars Raw Material
Brand: EXCEEDCHEM
Price: 1 USD

Brand Name : EXCEEDCHEM

Model Number : TDI-80/Polyether Polyurethane Prepolymer Shore A95-97

Certification : ISO9001:2008

Place of Origin : China

MOQ : 1mt

Price : FOB Qingdao usd3.0/kg

Payment Terms : L/C, T/T

Supply Ability : 3000mt/month

Delivery Time : 5-8 work days

Packaging Details : 20kg/drum; 200kg/drum

NCO% : 6.50-6.70

MOCA% : 18.8-19.2

Hardness : Shore A95-97

Base : TDI-80/Polyether

Color : colorless liquid

CAS NO : 584-84-9

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TDI 80 Polyurethane Prepolymer Used In The Preparation Of PU Bars

1. Description

This is a TDI-80 based polyether polyurethane prepolymer.

2. Characteristics

Water resistance
Low temperature resistance
Mold resistance

3. Applications

Roller
Plate and bar
Sealing ring

4. Typical properties

Type	Appearance	Viscosity(mPa.s/85℃)	NCO%	Packing(kg/drum)
	Liquid	300-330	6.50-6.70	20/200

5. Operating Procedure

First, the prepolymer should be preheated in 80-85℃. Second, after vacumming, the prepolymer is to be mixed with melting MOCA evenly. Third, with degassing, casting into mould, and vulcanization,and then demould. Lastly, the finished product should be post vulcanized.

6. Reaction parameters

Item	MOCA (%)	Gel time(min)	Mixing temperature(℃)	Post vulcanization(h)
Specification	18.8-19.2	2.5-3	80/120	10

7. Finished products properties

Item	Hardness(Shore A)	Tensile strength(MPa)	Tear strength(KN/m)	Rebounding(%)
Physical properties	95-97	35-36	95-100	41

Product Tags:

584 84 9 Tdi T80 Polyurethane

Modification Agent T80 Polyurethane

584 84 9 T80 Polyurethane

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