| Suitable for medium and large rigid PVC injection moulding pipe fittings SGJ 500 SP/8, a Ca-Zn composite thermal stabilizer, is designed and manufactured according to the advanced concept of environmental protection. It is free of lead, cadmium, barium, tin and other heavy metals and harmful compounds. SGJ 500 SP/8 achieves the latest European REACH: SVHC (163) environmental protection standards by SGS test. SGJ 500 SP/8 which has excellent long-term thermal stability and tonal stability is suitable for medium and large rigid PVC water supply pipe fittings; SGJ 500 SP/8 has strong commonality, suitable for forming all kinds of PVC resin, and its thermal stability and tonal stability won’t be restricted and influenced by the type and dosage of filling agents such as calcium carbonate. It has extensive selectivity for material formulation of raw materials. It has strong compatibility which can be used together with lead-based or organotin stabilizer and gives rise to synergistic effect; Under the powerful guarantee of the thermal stability, it can make the PVC melting compound maintain the consistently high melt tension and rheological properties under high -temperature and high-speed shear, and also enhance the product physical properties such as tensile strength and resistance to water pressure blasting; No precipitation during the process. It can enhance the white color brilliance and fastness. In addition, it is equipped with light stabilization function and the finial PVC products have stronger resistance in outdoor weather.&& |
