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Anhui Sinograce Chemical Co., Ltd.

Polyurethane Elastomer, Special Field Polyurethane Prepolymer, Pouring Sealant manufacturer / supplier in China, offering Special Field Polyurethane Prepolymer Printing Roller & Scraper Field, 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 Field Polyurethane Prepolymer Printing Roller & Scraper Field

Special Field Polyurethane Prepolymer Printing Roller & Scraper Field

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.: SPF-561 & SPF-562 & SPF-563
  • Molecular Principal Chain: Heterochain Polymer
  • Trademark: sinograce
  • Origin: China Anhui
  • Synthetic Resin: Unsaturated Polyester Resin
  • Color: White
  • Transport Package: According to The Customer Demand
  • HS Code: 3921199000
Product Description
Printing roller, screen printing scraper

Key features
Can be used for organic solvents, such as esters, toluene, printing ink, water-based ink, ketones, etc.

Typical properties 
Special fieldSPF-561SPF-562SPF-563
PrepolymerAppearance (25ºC)Waxy solidviscous liquidWaxy solid
NCO Content(%)2.4~2.63.0~3.53.0~3.5
Using Mixture Ratio (PHR)6.9~7.57.1~8.37.1~8.3
Life in the Reaction Kettle (75~78ºC/min)5~75~75~7
Physical Properties of Finished ProductsHardness (Shore D)65±575±585±5
Tensile Strength (MPa)28.738.239.5
Tearing Strength (kN/m)35.967.556.4
Elongation at Break (%)498710231
TOL/EA/CYC Mixed Solvent 24h Expansion Rate(%)+15+9+5

Mainly used in the production of various kinds of printing roller, screen printing scraper, etc.

Usage method
Can be used for manual, some products are more suitable for the operation of pouring machine, chain extender are MOCA, E-300, BDO or special chain extender.

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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