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Pingdingshan Coal (Group) Kaifeng Dongda Chemical Co.Ltd
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ADC blowing agent
This product mainly falls into three categories according to average grain size Dn, decomposition temperature T, and the DnxTy series compounded by average grain size Dn and decomposition temperature T. It follows the standard Q/321100 ZH008-2004.
Property
Yellow powder, specific gravity of 1.65, nontoxic, stink-free, flammable, capable to generate? tremendous froth. During decomposition, 32% weight decomposed into gas, 27% sublimed, 41% residues. Among the decomposed gas, 65% is N2, 32% CO and 3% CO2. Decomposition heat: 359.5J／g; specific heat: 0.26; combustion heat:1070kJ/mol.
Applications
It is one of blowing agents that are widely applied. Frothing can be performed at normal pressure or increased pressure. It is widely used for frothing EVA, PE, natural rubber and PVC + NBR mixture etc, especially for large-mould hot press frothing and small-mould hot press frothing of EVAMD shoes material. It enables the frothed products to have an outstanding property; especially it is favorable for increasing the extensibility of goods and obtaining more outstanding aperture structure.?
Quality Standard
It is produced in strict accordance with the chemical industrial standard HG／T 2097-1991? and the corporate standard Q/321100 ZH008-2004.
Index Specification
Best-grade First-grade Qualified
Appearance Light yellow powder
Gas generation，ml/g 220 220 220
Decomposition temp.，°C 200-210 200-210 200-210
Average grain size（Dn），μm ≤ 12 3-5 6-8
Ash，%≤ 0.10 0.10 0.10
Purity，%（ADC）≥ 97.0 97.0
Packing, Transportation and Storage
It can be packed in polyethylene-film lined iron barrel, cardboard barrel, carton or woven bag or compound paper bag.
Special packing is negotiable separately.
Safety
This product itself is nontoxic but may release a great deal of N2 and CO when decomposed at high temperature. Poor ventilation could result in toxicosis.
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