| Customization: | Available |
|---|---|
| CAS No.: | 693-36-7 |
| Formula: | S(CH2CH2COOC18H37)2 |
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Antioxidant PS-802
Chemical name: Distearyl thiodipropionate
Other name: DSTDP, DSTP, PS-802, STDP
Chemical formula: S(CH2CH2COOC18H37)2
CAS No.: 693-36-7
Molecular Weight: 683.18
Physical Properties: white crystalline powder or grain; insoluble in water, soluble in benzene and toluene.
Uses: PS-802 is a good auxiliary antioxidant and is widely used in polypropylene, polyethylene, polyvinyl chloride, ABS rubber and lubricating oil. It has high-melting and low-volatility. It can be used in combination with phenolic antioxidants and ultraviolet absorbers to produce synergistic effect.
Quality Specifications:
| Appearance | white crystalline powder or grain |
| Melting point | 63.5-68.5ºC |
| Ash | ≤0.05%(wt) |
| Acid value | ≤0.10mgKOH/g |
| Molten colour | ≤60(pt-co) |
| Saponificating value | 160-170mgKOH/g |
| Heating | ≤0.05%(wt) |
Packing: 20 or 25kg bag.
Storage: PS-802 should be stored in a cool, dry and ventilated place and be kept away from moisture and heat.
We have exact inventory plans to guarantee stable supply.
We have many years' experience of chemical logistics and dangerous chemical managers with specially trained, which ensure the safety and right of chemicals, timely logistics.
Our laboratory takes strictly testing on every lot of goods according to customers' requirement. Meanwhile we has good relationship with the third party company SGS.
After-sales service is the important part in our service. If there are quality problems, we will actively cooperate with the customers and solve the problems early.
We expect to become good partners with our customers for long.
Company Information
Q: Do you have any certificate for quality?
A: Yes, we have ISO9001:2008 quality system certificate and REACH.
Q: Can you customize products?
A: Yes, we can.
Q: Can you provide samples for quality checking before placing an order?
A: Samples are avaliable upon request, but the shipping cost should be paid by customer.
Q: How to get the price list?
A: Please inqire us by alibaba/email.
Q: What's your payment term?
A: TT/LC/DA/DP/Paypal
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