Rubber accelerator DETU
Chemical name: diethylthiourea
Structural formula:
Molecular Formula: C5H17N2S
Molecular weight: 132.23
CASE NO: 105-55-5
Product Specifications:
|
Metric name |
Crystalline material |
Refueling crystall |
grain |
|
Appearance (visual) |
White crystalline material (granules) |
||
|
The initial melting point ≥ °C |
74.0 |
74.0 |
74.0 |
|
Heating reduction %≤ |
0.30 |
0.50 |
0.30 |
|
Ash %≤ |
0.30 |
0.30 |
0.30 |
|
Sieve residue (840 μm), % ≤ |
0.00 |
0.00 |
- |
|
Additives,% |
- |
0.1-2.0 |
- |
|
Particle size, mm |
- |
- |
2.50 |
Properties: white powder. Relative density: 1.10. Soluble in acetone, ethanol, soluble in water, difficult to dissolve in gasoline. Hygroscopic.
Use: This kind of accelerator has low promotion effect and poor burn resistance, so it has rarely been used for diene rubber, but in special cases, such as the use of thuram sulfide and other sulfur giving body vulcanization, this product has the role of active agent, thiourea accelerator on neoprene vulcanization but unique efficiency, can prepare tensile strength, hardness, compression set and other good performance of chloroprene vulcanide. Compared with NA-22, this product has fast scorching and vulcanization, but the flatness of vulcanization is better. Easy to disperse, no frost. When the dosage is large, it can be vulcanized at high temperature and high speed, especially suitable for continuous vulcanization of pressed out products, this product is also a butyl glue accelerator, a vulcanization activator for EPDM. It has antioxidant effect on natural gum, chloroprene gum, nitrile gum and styrene-butadiene gum. It is generally used as a manufacturer of industrial products. Special wires, sponge products, etc.
Packing: 25kg plastic woven bags, paper-plastic composite bags, kraft paper bags.
Storage: Should be stored in a cool, dry, well-ventilated place. The packaged products should be protected from direct sunlight and have an expiration date of 1 years.
Rubber accelerator
Rubber antioxidant
Other rubber chemicals
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