BASF Elastollan® Bondura AS-420 Polyester TPU Elastomer AS420 - 广州昊毅新材料科技股份有限公司

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BASF Elastollan® Bondura AS-420 Polyester TPU Elastomer AS420

                                           

 

 Product Features
    Polyester thermoplastic polyurethane elastomer has excellent bonding effect on various materials such as PVC, PU, TPR, TPE, textiles and leather. Good initial peel strength, excellent heat resistance, good solubility, slow crystallization rate, long sticking time and low temperature plasticity.

Purpose
Solvent-based polyurethane adhesive can be used alone or with a bridging agent for shoe material and fabric lamination to meet the needs of higher heat resistance.

Physical Properties*

parameter

Numerical value

testing method

Thermal activation temperature

55-65 °C

QK4-73019

Adhesion after 5 minutes

3.0 Kg/cm

QK4-73019

Adhesion after 30 minutes

4.0 Kg/cm

QK4-73019

Adhesion after 24 hours

5.0 Kg/cm

QK4-73019

Viscosity at 25°C (15% butanone)

1700-2200 cps

QK4-73008


The material used for the subsequent force test and the thermal opening and closing length test is PVC.
*The above values are only typical values and cannot be regarded as product quality inspection standards. For applications with special requirements, please confirm data with the supplier before selecting materials.

Product appearance and packaging
     white to yellowish oval particles
Multi-layer paper bag, net weight 25 kg; space bag or octagonal box with PE lined bag, net weight 500 kg or 750 kg

Solubility
Elastollan® Bondura can be dissolved in methyl ethyl ketone and acetone with stirring. The viscosity will increase when the solvent contains ethyl acetate or toluene.

processing
In general, the product will be in a workable condition for at least 6 months after shipment when stored in an unopened, undamaged bag in a cool, dry (10 - 25˚C) environment . Thereafter, we will not provide further guarantees on the processing properties and shelf life of the products. If the material itself is defective in quality, the buyer's guarantee of rights will not be affected.

store
Elastollan is a hygroscopic material, therefore it is recommended to store in its original closed packaging and in a cool (10 - 25˚C) dry condition.

Hazard identification
No known specific hazards. Please refer to the product safety data sheet before use.

waste disposal
For details, please refer to local regulations and product safety data sheets.

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