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Waterborne polyurethane primer resin for adhesive layer of leather

DEMARTAN PG does not contain free formaldehyde, environmental performance in line with EU standards. DEMARTAN PG is very suitable for pre-tanning and re-tanning of leather requiring soft finished leather.

Keywords: Waterborne polyurethane primer resin for adhesive layer of leather

Classification:

Base Resin for Waterborne Polyurethane Synthetic Leather

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Product Parameters

Chemical composition: Anionic waterborne aromatic polyurethane
Appearance: Milky White liquid
Active ingredient: 40±1%
Viscosity: 800-1000mPa.s
Tensile strength: 8-9Mpa
PH value: 7.0-8.0
Elongation at break: 600-700%
100% modulus: 4.0-6.0Mpa

Product Performance

1. The emulsion state is stable.
2. Does not contain any toxic substances.
3. excellent film strength, feel good.
4. Excellent wet friction resistance, resistance to tortuous.

Application recommendations

This product is recommend used in shoe top synthetic leather and other fields as a surface layer. Sizing method according to product needs, can choose straight coating or release paper transfer process. Drying temperature is 90-140 DEG C, fully dried.
This product can also be used alone or with other aqueous polyurethane dispersion or acrylic resin combination, according to the need to add water-based polyurethane with the corresponding additives, with other brands of resin combination or add additives, please do compatibility test, to ensure that does not affect the stability of the product, can be used as diluted with water to adjust the solid content and viscosity.

Packaging, storage

Packing specification (plastic barrel):120kg, ton barrel.
Suggested storage: cool, dry, ventilated place 5-40 DEG C, avoid freezing.
Storage time: 6 months from the date of production without opening the tank.

High-peel Waterborne Polyurethane Base Resin for Leather