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Non-toxic Zinc Hydroxystannate ZHS Halogen-free Smoke Suppressant Flame Retardant for Rubber Coating
| Place of Origin | China |
|---|---|
| Brand Name | N/A |
| Certification | COA |
| Model Number | ZHS |
| Document | TDS of ZHS(EN).pdf |
| Minimum Order Quantity | 1kg |
| Price | USD40-60/kg |
| Packaging Details | 25kg/drum |
| Delivery Time | 5 working days |
| Payment Terms | T/T,L/C,D/A,D/P,Western Union |
| Supply Ability | 50000kg/month |
Product Details
| Product Name | Zinc Hydroxystannate | Synonyms | Hydroxystannate, ZHS, Zinc Tin Hydroxide |
|---|---|---|---|
| CAS | 12027-96-2 | MF | ZnSn(OH)₆ |
| Color | White Fine Powder | Sn(%) | 40.0~43.0 |
| Zn(%) | ≥26 | Application | Halogen-free Environmental Flame Retardant, Smoke Suppressant |
| Highlight | Non-toxic Zinc Hydroxystannate,Smoke Suppressant ZHS,Halogen-free Hydroxystannate |
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Product Description
Zinc Hydroxystannate(ZHS) is a fine, white, free-flowing powder. It functions as a multifunctional, non-toxic flame retardant and smoke suppressant, suitable for a wide variety of polymeric and polymer-based systems. It is a highly effective alternative to antimony trioxide (Sb2O3)
Specification of Zinc Hydroxystannate(ZHS)
| Item | Specification |
| Appearance | White fine powder |
| Sn(%) | 40.0~43.0 |
| Zn(%) | 22.0~25.0 |
| Moisture (Volatile Loss)(%) | ≤1.50 |
| Average Particle Size (D50) | 3.0~5.0 μm |
Benefits & Application of Zinc Hydroxystannate(ZHS)
- Smoke Suppression: Significantly reduces smoke emission and smoke density compared to antimony trioxide.
- Flame Retardancy: Reduces the rate of heat release and total heat release; improves Limiting Oxygen Index (LOI); increases time to ignition; and suppresses burning drips.
- Char Formation: The tin component catalyzes the formation of a carbonaceous char (tin-carbon bonds) which acts as a barrier between the fire and the polymer.
- Endothermic Cooling: Releases water of hydration (~19% by weight) upon heating, cooling the fire and diluting oxygen.
- Synergistic Effect: Excellent synergy with halogenated and halogen-free systems (e.g., ATH, MDH) and can completely replace antimony trioxide in many formulations.
- Low Toxicity: Non-toxic, no risk phrases, and safer handling compared to antimony trioxide.
- Flame Retardant: High-efficiency, halogen-free flame retardant and smoke suppressant, particularly suitable for PVC, cable compounds, rubber, and engineering plastics (e.g., Nylon, Polyester, Epoxy).
- Synergist: Exhibits good flame retardant synergy with Alumina Trihydrate (ATH) and Magnesium Hydroxide (MDH).
Package & Storage of Zinc Hydroxystannate(ZHS)
Packed in plastic drums 25 KGS net each.
Keep in a cool, dry, and well-ventilated area. Avoid exposure to moisture. The shelf life is 24 months.
FAQ
Q1: What is your regular lead time for sample and official order?
A1: Sample lead time 3 days. Official order lead time 7-14 days.
Q2: What is your MOQ?
A2: MOQ usually is 1kg.
Q3: How you control product quality?
A3: From raw material inspection, dupro inspection to final product inspection are executed strictly.
Q4: What is your warranty policy?
A4: We will send you a new batch if there is any quality issue during warranty time
Q5: Do you refund if customer receive defective product and do not accept replacement?
A5: Yes
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