
Ammonium metatungstate may be applied for the preparation of window heat insulation film, which retains heat. While its solar properties will lessen the sun’s heat by up-to 80% in your home or office, and reduce unwanted glare by up-to 85% and furniture fabric fading by 99%. Window films’ one-way mirror finish will also deter would-be intruders and provide privacy for you or staff, as well as offer a higher level of security for commercial premises. Window film can be applied…