Bayhydrol® UV 2720/1 XP is used for the formulation of waterborne UV coatings for industrial coating of plastics and wood and other substrates, and is particularly suitable for pigmented systems. As a thermoformable product, it is an ideal solution for postformable coatings. This product has a non-volatile content (1g / 1h / 125°C, convection oven) of 39-41, a flow time at 23°C, (4 mm cup) of 15-50, and a pH level of 7.0-9.0.
Bayhydrol® UV 2720/1 XP is used for the formulation of waterborne UV coatings, in particular for applications that require good blocking resistance after water evaporation and before UV cure (wood, plastic, pigmented systems). The addition of 1.0 to 2.5 wt. photoinitiator relative to binder has proven effective for initiation. Viscosity is adjusted by the addition of polyurethane thickeners. As the dispersion has a relatively high surface tension, the formulation should always contain a wetting agent, such as BYK® 348 (BYK). Matting agents and additives can be dispersed directly into the formulation using a dissolver.
Covestro (formerly Bayer MaterialScience) manufactures adhesive raw materials for use in the production of contact and heat-activated adhesives, as well as reactive and hot-melt adhesives for the transportation, furniture, footwear, packaging, and construction markets. Bayer offers a comprehensive range based on polyurethane and polychloroprene, with specialty raw materials that offer UV light and weather resistance.
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Covestro (formerly Bayer MaterialScience) 科思创 makes their documentation available in the regions indicated below:
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