Contact person
Stefan Wendy
Managing Director / Member of the Mgmt. Board
IMPAG GMBH
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Through long-standing experience and close cooperation with industrial partners, our partner Partners Chengdu Longcheng Hitech has revised its entire range of PVB to better serve customer requirements.
The new range encompasses four new standard types with the following viscosities:
| Type | Viscosity [dPa.s] |
|---|---|
| CD-16 | 9 – 14 |
| CD-20 | 14 – 20 |
| CD-30 | 25 – 40 |
| CD-60 | 120 – 200 |
The aim of the new CD line is to achieve better compatibility with the crosslinkers popularly used in Europe. Our partner has achieved this by making optimizations in the raw material (polyvinyl alcohol), which has the added benefit of allowing better management and control of the polymerization process by temperature and reaction time as key parameters.
In addition to the new CD grades, there is of course also our well-known range of standard polyvinyl butyral grades for all those applications with or without simple adhesion promoters.
| Type | 10% Viscosity [dPa.s] * |
|---|---|
| SDL-38B | 7 - 9 |
| SDL-28B | 9 - 14 |
| SDL-18B | 14 - 20 |
| SDL-08B | 20 - 30 |
| SDL-04B | 30 - 55 |
| SDL-05B | 35 - 60 |
| SDL-IB | 60 - 80 |
| SDL-06B | 80 - 110 |
| SDM-01 | 160 - 260 |
| SD-75 | 40 - 45** |
* 10% solution in Ethanol at 25°C; Brookfield
** 5% solution in Ethanol at 25°C; Brookfield
Recommended uses:
- Printing Inks
- Coatings: anticorrosive/shop primer, wash primer, baked enamel, traffic (reflective) coatings, wood (sealing) coatings
- Nail varnish
- Wood (sealing) coatings
- Whiteboard inks
- Textile printing and non-woven
- Ceramics temporary binder
- Prepregs and composites
Characteristics:
- Very good adhesion: polyolefins, metals, polyester, cellulose acetate, polyamid, polystyrene, …
- Compatible with: nitrocellulose, alkyd resin, polyester resin, acetone condensation resin, other polymers
- Good water resistance
- Good solubility in organic solvents
- Excellent optical properties
- Good wettability and pigment dispersion
Basic processing hints:
- Suggested material input: 18-30% for CD-16; 15-20% for CD20; 10-15% for CD-30; 5-15% for CD-60
- Dissolve under normal temperature (25° C), the dissolution time is about 30 minutes
Storage
Under dry and cool (25° C or less) condition, the product can be stored for at least 12 months if sealed in original packaging.
About our supplier
CHENGDU LONGCHENG HITECH MATERIALS was founded in 2009 in Chengdu, China, and is a subsidiary of CHENGDU YULONG CHEMICAL. The company offers a comprehensive selection of both high- and low-viscosity PVB variants. Since 2017, it has also offered PVB films. Annual production capacity is 6,000 MT of PVB powder and 3,000 MT of PVB film. The company is ISO 9001 and 14001 certified. Alongside its very wide range of standard products, LONGCHENG offers a PVB innovation that so far no other manufacturer can offer: PVB in aqueous solution.
