Hydrophilic Polyurethane Prepolymer WanSponge WDT Hydrophilic Foam Prepolymer Hydrophilic Foam Dressing Wanhua Chemical

• CAS No.: 103837-45-2
• Type: Synthesis Material Intermediates
• Appearance: Liquid
• Quality: Industrial
• Colour: Colorless
• Transport Package: Iron Drum
• Model NO.: WanSponge WDT
• Specification: 220kg/drum
• Trademark: Wanhua
• Origin: China
• HS Code: 3909310000
• Production Capacity: 50000t/Year

Product Description

Hydrophilic polyurethane prepolymer WanSponge WDT hydrophilic foam dressing  
 

WanSponge WDT is a TDI based hydrophilic polyurethane prepolymer, which can be used to manufacture hydrophilic foam dressings.WanSponge WDT can prepare foam dressings with different properties according to application requirements and different foaming aqueous phases.

Parameter
 

Characteristic	Numerical value	Unit	Test method
Appearance	Colorless to light amber transparent liquid		Visualization
The content of NCO	6.3-7.1	%	GB/T 12009.4-2016
Viscosity(25ºC)	16000-21000	mpa·s	GB/T 2794-2013 (Brookfield DV-+Pro,21#/2.5rpm)
Density(25ºC)	1.18-1.22	g/cm^3	ASTM D792
Residual rate of TDI	≤3.0	Wt%	In-house method

Product feature

1. High transparency
2. Preparation of foam with a soft feel
3. Fast reaction speed and low temperature rise during foaming
4. Preparation of foam with fast water absorption rate and high liquid retention rate

Storage

Please put it in a dark, cool and dry place. The storage temperature should be 15-25ºC. Keep the package intact. The shelf life of this product is six months from the date of production. After the shelf life is exceeded, it is recommended to conduct performance evaluation before use.

Application

WanSponge WDT is a TDI based hydrophilic polyurethane prepolymer, which can be used to manufacture hydrophilic foam dressings.

RFQ
1. What is WanSponge CST?
WanSponge WDT is a bio-based hydrophilic polyurethane prepolymer based on TDI, which can be used to manufacture hydrophilic foam dressings.

2. Are you a factory or trading company?
We are a cooperated polyurethane system material factory, we provide raw materials for the preparation of polyurethane materials to factories.

3. What is your MOQ?
Our minimum ordered quantity for WanSponge WDT is 220KG, our smallest drum can carry 220KG.
 
4. How to ship samples and mixed chemicals in bulk to clients?
For small quantity, we ship by air or land, since the chemicals are liquid which belongs to sensitive cargo, the air shipping fee will be higher than common goods.
 
5. Is your sample free?
Our sample is not free, but we can return the sample fee to you once your ordered quantity reaches 20 Tons.
 
6. What applications can use your WanSponge WDT?
WanSponge WDT can be used to manufacture hydrophilic foam dressings.ho
  
7. Is your chemical formulation open to clients?
Our formulation is unique, and non-disclosure, we can offer the technical parameters to you, and teach you how to mix the materials with the proportion.
 
8. What other service can you offer?
We can offer on-site service, if you require our engineers to be on site, we will fly to you.
We can offer foam training service, you can visit our factory in China to have a specific training of 7 days from logic, methods, processing steps to debugging procedures, a certain amount of expense is aroused.
 
9. What is the packaging of the WanSponge WDT and ISO?
WanSponge WDT: 220 kg/barrel.
One pallet: 4 Barrels.
20 ft container: 80 barrels/17.6 tons.
40 ft container: not suggested, over-weighted.
  
10. How to make payment?
T/T;LC. 

11. What is the delivery time and warranty?
For PU material within 10 Tons, we can supply in 7 days, for over 10 - 20 Tons, we can supply in 10 days. All sold materials enjoy half year - 1 year warranty, we provide after-sale service for quality problem or processing errors.
 
12. How to storage the chemicals?
Avoid daylight and store in a well-ventilated place, seal the barrel gap if the material is not used up.