Gold Member Since 2017
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Anhui Sinograce Chemical Co., Ltd.

Polyurethane Elastomer, Special Properties Polyurethane Prepolymer, Pouring Sealant manufacturer / supplier in China, offering Special Properties Polyurethane Prepolymer High Hardness Type, PTFE Aqueous Dispersion Emulsion Painting, Silane Coupling Agent (KH-901) and so on.

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Supplier Homepage Product Polyurethane Elastomer Special properties polyurethane prepolymer series Special Properties Polyurethane Prepolymer High Hardness Type

Special Properties Polyurethane Prepolymer High Hardness Type

FOB Price: US $1.1-99.9 / kg
Min. Order: 1 kg
Min. Order FOB Price
1 kg US $1.1-99.9/ kg
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Port: Shanghai, China
Production Capacity: 1000tons/Month
Payment Terms: L/C, T/T, D/P, Western Union, Paypal, Money Gram, D/A

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Basic Info
  • Model NO.: HHN-810 & HHN-811 & HHN-812
  • Molecular Principal Chain: Heterochain Polymer
  • Trademark: sinograce
  • Origin: China Anhui
  • Synthetic Resin: Unsaturated Polyester Resin
  • Color: Viscous Liquid
  • Transport Package: According to The Customer Demand
  • HS Code: 3921199000
Product Description
Special properties polyurethane prepolymer High hardness type

Key features
Material prepolymer viscosity is low, easy to operate.
After the molding material has high hardness and elasticity, toughness is good, not easy to crack.
In special occasions can be replaced by casting nylon and other high hardness materials.

Typical properties
High hardnessHHN-810HHN-811HHN-812
Appearance (25ºC)viscous liquidviscous liquidviscous liquid
NCO Content(%)8.0~9.08.0~9.09.0~10.0
Using Mixture Ratio(PHR)23.0~26.023.0~26.026.0~29.0
Life in the Reaction Kettle (75~78ºC/min)1~22~33~5
Physical Properties of Finished Products
Hardness (Shore D)75±560±575±5
Tensile Strength (MPa)37.757.563.4
Tearing Strength (kN/m)87.9187.1197.2
Elongation at Break (%)402331210
Akron Abrasion (cm3/1.61km)

-Mainly used in the production of high hardness polyurethane elastomer products, such as a variety of wheels, mechanical parts, etc.

Usage method
-Can be used for manual, more suitable for the operation of the casting machine, chain extender is MOCA.

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.
If you want to add color paste or other materials, keep the water content below 0.1%, and consider the compatibility of additives.
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