Waterborne polyurethane p$₩​≠rimer resin for adhesive layer o$↑f leather

DEMARTAN PG does not contain free formaldeh§≤£★yde, environmental performan₽≥ce in line with EU standards. DEMARTAN Pπ"✔¥G is very suitable for pre-tanni₽±£ng and re-tanning of leather requiring so∏∞$ft finished leather.

Keywords: W"♥Ωaterborne polyurethane primer resin fo≈≠r adhesive layer of leather

Product Description


Product Parameters

Chemical composition: An✘✘ionic 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 staδ←‌ble.
2. Does not contain any π☆→toxic substances.
3. excellent film str♣₩ength, feel good.
4. Excellent wet friction resista₩σ®€nce, resistance to tortuous.

 

Application recommendation≈∑s

This product is recommend used in shoe top sy&δ₹∏nthetic leather and other fields a§δ s a surface layer. Sizing method​γ↓ according to product ÷☆needs, can choose straight coating or rele§±ase paper transfer process. Drying temperature is '¥₹ 90-140 DEG C, fully dried.∑€☆•
This product can also be used alone or↔≈≈♣ with other aqueous polyuretβ♦ φhane dispersion or acrylic resin comb™γ<↓ination, according to the ne→∏εed to add water-based polyurethane wi₹®δth the corresponding additives, witΩ‍€h other brands of resin combination ₩↓or add additives, please do compatibility test, λ♥÷to ensure that does not affect the stabi∑¥≠←lity of the product, can beδ☆> used as diluted with water t<☆"o adjust the solid contΩ≤ent and viscosity.

 

Packaging, storage

Packing specification (p≤>αγlastic barrel):120kg,  ≠ton barrel.
Suggested storage: cool,λ>"★ dry, ventilated place 5-40 DEG C, ♦↔♠avoid freezing.
Storage time: 6 mont<≠∏Ωhs from the date of productio×‌₩Ωn without opening the tank.

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