Solvent-based adhesive raw materials

Covestro Desmocoll® 540/1 Linear Hydroxyurethane Particles Fast Crystallization Heat and Solvent Resistant

Product introduction
Desmocoll® 540/1 is a flexible polyurethane material with a very high crystallization rate and very low thermoplasticity. It has high initial bonding strength and heat resistance. Excellent adhesion to PVC materials and excellent resistance to commonly used PVC plasticizers.

Features Linear Hydroxy Polyurethane

form of supply Pellet

Specification

characteristic	Numerical value	Units of measurement	method
Viscosity of 15% in 2-butanone at 23°C	300±200	mPa·s	DINENISO3219/A.3 (Haake)

Other data*

characteristic	Numerical value	Units of measurement	method
Hydroxyl content	<0.1	%	DIN53240
density	about 1.2	g/cm3	DINENISO2811
Crystallization rate	about 10	min	DIN53505
Minimum activation temperature	about 60	°C	DINEN12961
Hot tack retention time	about 4	min	DINEN12961EN
heat resistance	about 80	°C	ASTMD816
Adhesion to plasticizer-containing materials	Excellent

*This data is general information and is not part of the product specification.

Features/Applications
Adhesives made with Texaco® 540/1 can be used to bond a variety of materials, including leather, rubber, fabric, wood, a variety of plastics (including polyurethane elastomers), plastic films, and aluminum foils.

Solubility / Dilution

2-丁酮	Soluble
acetone	Soluble
Ethyl acetate	Soluble
Acetone/Toluene (2:1)	Soluble
Butanone/ethyl acetate (1:1)	Soluble

Package
Packed in 25kg paper bags, 30 bags per pallet for a total of 750kg.

store
- Store in original Covestro airtight containers.
- Recommended storage temperature: 10-25℃.
- Avoid direct sunlight, moisture, heat and foreign substances.

storage time
Provided that the product has been stored in full compliance with the requirements in the "Storage" clause above and handled properly, the product meets the specifications stated in the "Specifications or Characteristic Values" clause above for a period of 6 months from the date of shipment stated on the shipping document or characteristic value (as applicable). The fact that a product exceeds the 6-month period above does not mean that it no longer meets the specifications or the values set in the characteristic values. However, manufacturers recommend that products older than 6 months from the date of shipment be tested prior to use to confirm that they still meet the specifications or values set in the characteristic values. The manufacturer makes no commitments for products older than 6 months from the date of shipment, and does not assume any responsibility or liability for non-conformance to specifications or set values in characteristic values.

disposal
Please refer to the latest security documentation.

Safety
This product data sheet applies only to the latest version of the corresponding safety document. Any updates to safety-related information consistent with legal requirements will only be reflected in the Safety Data Sheet, which will be updated and published. Information related to current classification and labelling, application and process methods, and more safety-related data can be found in the latest available safety data sheets.