HOLLAND KUIPER SERENE C-200 SOUNDPROOF PANELS DIMENSION: 250 X 125 CM WEIGHT CORE: ACM40-45 / CORK 150-200KG/M5 CONSTRUCTION: 4-4-4/ 6-4-6/ 8-4-8/10-4-10/ 6-6-6/8-6-8/10-6-10 Kuiper Serene C-200 is a sound insulating sandwich panel with a okoume top and bottom layer and a cork core. The ACM 40-45 cork core is standard 3 or 4 mm thick. See below for the technical properties of the ACM 40-45. Binder Colour Cork Granule Size Binder Colour Cork Granule Size TEST METHOD TEST METHOD GENERAL INFORMATION We recommend storing the product at these conditions: 20 ± 3°C/60 ±5% HR