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n method, also known as the C14 method. This measurement method is based on the fact that the proportion of bound radioactive C14 atoms decreases in dead organisms [...] However, directly obtained tree resins (Figure 2) or terpene resins (Figure 3), which various citrus fruits, are also an option. Such biobased raw materials [...] optimized manufacturing process has made it possible to develop high-performance D3 and D4 dispersion adhesives whose formaldehyde emissions are 80 % lower than

the enterprise had already announced several months ago (cf. BAUELEMENTE BAU 3/16, p. 52). With significantly improved characteristics such as a broader range [...] temperature for melting and processing of the new PUR hot melt is about 120 °C. Plastic foils are therefore exposed to less thermal stress and stretching during