F4 plywood means the plywood meet F 4-star requirements which is the top Formaldehyde Emission grade for plywood, fiberboard, MDF, OSB, HDF, wood furniture and other wooden products according to Japanese standard.

2020年6月5日 · F4星不仅是干燥器法甲醛释放量小于0.3mg/L的要求，F星星标准还有释放速率、材料使用量等规范，明确地指导了消费者不同环保基本材料的（最大）用量，还对厂家规范了张贴要求、对政府和协会规范了证书和认定番号披露，可以说不仅是一个符号，而且全方位的 ...

JAS JPIC Standard use a four-star system to indicate the Formaldehyde Emission Grades for plywood, Blockboard, MDF, hardboard, furniture and other wooden boards.

2024年4月12日 · F4-Star Rating is the standard system for free formaldehyde in Japan, with four levels of evaluation criteria, gradually becoming stricter from one star to four stars. The highest international environmental standard certification is "F4-Star", which not only has requirements for formaldehyde but also certifies the entire factory production ...

"F4星"源於日本農林省的法律法規，是日本國土交通部頒發的證書，"F4星"是日本標準環保最高的健康等級，更被認為是國際上最健康的環保標準。符合這個等級的建材產品甲醛釋放限量平均值不能超過0.3mg/L。

2024年6月24日 · The highest internationally certified environmental protection standard is "F4 star", which not only has requirements for formaldehyde, but also requires environmental certification for the...

“f4星”是日本标准环保最高的健康等级，更被认为是国际上最健康的 环保标准 。建议限制 使用面积 ，“f4星”则远高于“f3星”，在使用面积上无限制。

2025年3月14日 · Japan's evaluation standards for the concentration of formaldehyde released by furniture and building materials (wallpaper, plywood, MDF, paint, etc.). F4 star is the highest level. *Test Standard:

Referred to as the F Four Star system (F****), the program was designed to cover much more than interior air quality and was not targeted at any particular product or building system. However, it is the interior air quality provision that concerns North American firms looking to export laminated products into Japan. edge-glued panels.

2020年4月30日 · Plywood formaldehyde emissions are determined by the glue used in production. Plywood mills use Phenolic, melamine and urea formaldehyde glue. Emission grades are Super E0, E1, CARB P2 and F4 Star. Formaldehyde is used in glue in the manufacture of wood based panels including plywood, particle board and MDF.