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  1. Industry
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  5. SikaMelt®-211
Product Data Sheet
SikaMelt®-211
SikaMelt®-211
Produktový list
Produktový list
PDF - 680 KB (cs)
SikaMelt®-211
SikaMelt®-211
Product Data Sheet (PDS)
PRODUCT DATA SHEET
PDF - 533 KB (en)
SikaMelt®-211
SikaMelt®-211
Fichas Técnicas (PDS)
Ficha Técnica de Produto
PDF - 511 KB (pt)
SikaMelt®-211
SikaMelt®-211
Termék Adatlapok
TERMÉK ADATLAP
PDF - 562 KB (hu)
Show all documents

SikaMelt®-211

Low viscosity hot melt PSA

SikaMelt®-211 is a versatile-pressure sensitive hot melt adhesive based on thermoplastic rubber. It offers a high tack and strong adhesion.  

  • High tack
  • High peel strength
  • Low viscosity
 
Contact
Product Data Sheet
SikaMelt®-211
SikaMelt®-211
Produktový list
Produktový list
PDF - 680 KB (cs)
SikaMelt®-211
SikaMelt®-211
Product Data Sheet (PDS)
PRODUCT DATA SHEET
PDF - 533 KB (en)
SikaMelt®-211
SikaMelt®-211
Fichas Técnicas (PDS)
Ficha Técnica de Produto
PDF - 511 KB (pt)
SikaMelt®-211
SikaMelt®-211
Termék Adatlapok
TERMÉK ADATLAP
PDF - 562 KB (hu)
Show all documents
  • Overview
  • Product Details
  • Application
  • Documents

PRODUCT BENEFITS

  • High tack
  • High peel strength
  • Low viscosity
 

Areas of Application

SikaMelt®-211 is suitable to equip paper-, polymer- and metal foils, textiles, foams and a big variety of other materials with self-adhesive backsides. SikaMelt®-211 is not to be used on substrates containing monomeric plasticizer.
This product is suitable for experienced professional users only. Tests with actual substrates and conditions have to be performed ensuring adhesion and material compatibility.  

Product Details

Typical Product Data
Chemical base

Thermoplastic rubber

Color (CQP001-1)

Yellowish, clear

Cure mechanism

Physical hardening

Density

1.00 kg/l

Viscosity (by Brookfield)

 at 150 °C

9 500 mPa∙s

Softening temperature (CQP538-5)

88 °C

Application temperature

 

short term max. 1 hour

140 – 170 °C

200 °C A

SAFT (CQP560-1)

60 °C

Peel strength (CQP568-1)

35 N/25 mm B

Shelf life

24 months

CQP = Corporate Quality Procedure

A) only valid for nozzle

B) 23 °C / 50 % r. h.

Technical Information

CURE MECHANISM

SikaMelt®-211 is a physically hardening adhesive.

CHEMICAL RESISTANCE

SikaMelt®-211 is resistant to aqueous surfactant, weak acids and caustic solutions.
The chemical resistance is influenced by several factors such as chemical composition, concentration, period of exposure and temperature. Therefore a project related testing in case of chemical or thermal exposure is required.

Application

Application Information

Surface preparation

Surfaces must be clean, dry and free from grease, oil and dust.
Based on the surface and type of material, a physical or chemical pre-treatment might be required. Type of pre-treatment must be determined by preliminary tests.

Application

With adequate processing equipment SikaMelt®-211 can be applied directly or by transfer method. It can be applied as film, dot, bead or spray application. For automated applications a suitable filter system is required.
Due to the better adhesion performance the direct method is usually chosen whenever possible. The transfer method is often used in combination with substrates that are porous and absorbing such as foams or when they are sensitive to high temperature such as thin PE films. To protect the adhesive surface against dust, light and oxygen it is necessary to cover the adhesive film with silicone coated paper or foil.

 

To meet the required application properties the adhesive viscosity can be adjusted by adapting the application temperature (see diagram 1).

en_PNG_01-diagram-sikamelt-211

Diagram 1: Viscosity as function of temperature


During breaks SikaMelt®-211 is to be processed as follows:
For breaks ≥ 1 h the heating needs to be lowered to 80 °C and for breaks ≥ 4 h the heating needs to be switched off.
To ensure a constant quality during the whole production process it is recommended to protect the adhesive in the melting tank with nitrogen or carbon dioxide (to avoid possible reaction of the product with oxygen).
For advice on selecting and setting up suitable processing equipment contact the System Engineering Department of Sika Industry.

Removal

SikaMelt®-211 may be removed from tools and equipment with Sika® Remover-208 or another suitable solvent.
Hands and exposed skin have to be washed immediately using hand wipes such as Sika® Cleaner-350H or a suitable industrial hand cleaner and water.

Do not use solvents on skin.

STORAGE CONDITIONS

SikaMelt®-211 has to be stored at temperature below 40 °C in a dry place.
For transportation purposes, the storage temperature can be exceeded for a period of max. 4 weeks up to 60 °C.

Documents

Adhesives For Industrial Manufacturing
Brochure PDF - 1 MB (en)

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