LEATHER

WATERBORNE POLYURETHANE

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Waterborne polyurethane dispersion for leather has always been a key project of Technical Control. With precise synthesis technology, we offer a series of waterborne polyurethane resin products, which can be used for base coat, middle and topcoat on leather. Base coat resins are soft, non-sticky, polishable and typically formulated with water-based acrylic emulsions. The non-ionic and cationic resins used as base coat are featured with excellent sealing effect. The middle coat resins are soft, with high strength and good embossing properties. The topcoat resins are featured with the properties of softness, abrasion resistance, dry and wet rub resistance and high strength. We supply both high-gloss and matt products to meet the needs for different types of finishes.

The products used for PU and PVC leather finishing have the properties of non-sticky, anti-adhesive, fast drying as well as excellent dry and wet rub resistance. They can be used in the process techniques of roll coating, scrape coating, gravure printing and spray etc.

Advantages

  • Low VOC;
  • Dry and wet rub resistance;
  • Excellent anti-adhesive property;

 

Product

Product Code Isocyanate Type Solid
Content (%)
Tensile Strength (Mpa) Elongation Break (%) Modulus 100% (N) Description
PU 613 Aliphatic 35±1 10 600 15 op coat resin for leather and PU,
high gloss, dryness, anti-blocking
PU 614 Aliphatic 35±1 10 600 15 Top coat resin for leather and PU,
high gloss, dryness, anti-blocking
PU 616 Aliphatic 35±1 34 650 6 Top coat/mid-coat resin for leather
and PU,high gloss, dryness, anti-blocking
PU 618 Aliphatic 35±1 38 200 78 Dry, high-gloss, hard, especially suitable for topcoating of corcodile skin
PU 619 Aliphatic 35±1 54 500 8 Top coat/mid-coat resin for leather
and PU,high gloss, dryness, anti-blocking
PU 623A Aliphatic 35±1 23 400 10 Top coat/mid-coat resin, dryness,
high gloss, anti-blocking, abrasion resistance
PU 6261 Aliphatic 35±1 25 300 25 Top coat resin for leather and PU,
high gloss, dryness
PU 638 Aliphatic 35±1 35 300 14 Top coat/mid-coat resin, dryness,
high gloss, anti-blocking, abrasion resistance
PU 639 Aliphatic 35±1 30 500 20 Top coat resin for PU, PVC
PU 137A Aliphatic 30±1 17 700 5 Mid-coat resin for leather,
soft, dry, and elastic
PU 138A Aliphatic 30±1 28 650 7 Mid-coat resin for leather,
soft, dry, and elastic
PU 139 Aliphatic 30±1 32 450 6 Mid-coat resin for leather,
soft, dry, and elastic
PU 140 Aliphatic 30±1 32 550 7 Mid-coat resin for leather,
soft, dry, and elastic
PU 145 Aliphatic 35±1 29 680 6 Mid-coat resin for leather,
soft, dry, and elastic
PU 148 Aliphatic 40±1 7 650-800 6.2 Mid-coat resin for leather,
soft, dry, and elastic
WELLPUR FF 18D Aliphatic 30±1 \ \ \ Soft, dry, polishable
PU 23M Aliphatic 30±1 7 500 2.5 Soft, dry, polishable
PU 2317 Aliphatic 30±1 7 550 3 Soft, dry, polishable
PU 816A Aliphatic 32±1 7-9 \ \ Matt PU with strong touch
PU 823 Aliphatic 32±1 7-9 \ \ Matt PU with slippery touch
Bio-PU 1052 Aliphatic 30±1 29 400 5.8 Bio-based resin, soft & dry,
suitable for base coat/ mid-coat
Bio-PU 1061 Aliphatic 35±1 10 600 15 Bio-based resin, glossy & dry,
suitable for top coat

 

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