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also known as ATH, Aluminum trihydroxide, Hydrated
Alumina, Aluminium Hydroxide.
also known as Molybdenum (VI) oxide, Molybdic
anhydride,
Molybdic Trioxide also known as Antimonious oxide, Antimony
sesquioxide, Antimony white, AP 50.
Also as ZHS, Zinc Hydroxystannate.
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| Specification of Zinc Borate | ||||||||||||||||||||
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| Zinc Borate (ZB) Addition Level | ||||||||||||||||||||
| Applications | Addition Rate | Comments | ||||||||||||||||||
| 1 PVC | Benefits: Smoke suppression, Synergy, Char Formation. | |||||||||||||||||||
| a) PVC Wiring Compound | 2 phr. | Product UL 94, V- 0 rating, L.O.I 31.5% 65% Smoke reduction (Flaming) compared with 3 phr Antimony Trioxide. 37% Smoke reduction (Somouldering) compared with 3 phr Antimony Trioxide (NBS Smoke Chamber Test). Heat Stability> 150 min at 185OC. After flame time -13 seconds (10 ignitions.) | ||||||||||||||||||
| 2 phr | Plus 1.0 phr Antimony Trioxide addition addition. UL 94, v-0 rating, L.O.I. 34.5% 53% Smoke reduction (Flaming) c.f.3 phr Antimony Trioxide. 34% Smoke reduction (Smouldering) Char Formation 26% (plus 0.5 phr Antimony Trioxide) | |||||||||||||||||||
| b) PVC Cable Compound | 1.5 phr |
Pus addition of 15 phr Alumina Trihydrate and 1.5 phr Antimony Trioxide. UL 94 V-01 rating L.O.I 31% 48% Smoke reduction (Flaming) c.f 3 phr Antimony Trioxide 21% Smoke reduction (Smouldering). Heat Stability 75 min at 185°C |
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| c) PVC Plastisol 50 phr DOP | 5 phr | Plus addition of 5 phr Antimony Trioxide. UL 94, V-0 rating L.O.I 31.5% 24% Smoke reduction (Flaming) c.f. 10 phr Antimony Trioxide. 55% Smoke reduction (Smouldering After flame time- 0 seconds) | ||||||||||||||||||
| 2 Halogen – Free Cable Compounds | Benefits: Smoke suppression, Synergy, After flame Reduction, Char Formation | |||||||||||||||||||
| A) Ethylene Finyl Acetate | 10 phr | Plus addition of 170 phr Alumina Trihydrate, 20 phr magnesium Carbonate UL 94, V-0 rating, L.O.I 39.0% Smoke Density Dmax> 250. | ||||||||||||||||||
| 5 phr | Plus addition of 195 phr Alumina Trihydrate, 10% smoke reduction | |||||||||||||||||||
| 10 phr | Plus addition of 190 phr Alumina Trihydrate, 35% smoke reduction | |||||||||||||||||||
| 100 phr | Plus addition of 100% phr Alumina Trihydrate, 35% smoke reduction | |||||||||||||||||||
| b) EPDMUHF Cured | 10 phr | Plus addition of 150 phr magnesium Hydroxide, UL 94, V-0 rating. After flame duration 3 seconds. Glow duration 3 seconds. | ||||||||||||||||||
| 3 Conveyor Belting | Benefits: Synergy, Afterglow suppression | |||||||||||||||||||
| a) Neoprene / SBR Blend | 15 phr | Plus addition of 14 phr Alumina Trihydrate + 5 phr Antimony Trioxide. UL 94, V-0 rating, L.O.I 45% Also meets German DIN STD 22118 | ||||||||||||||||||
| b) Neoprene | 10 phr | Plus addition of 25 phr Antimony Trioxide. UL 94, V-0 rating no Afterburn or Afterglow | ||||||||||||||||||
| 4) Nylon 6.6 | Benefits: Synergy, Anti- Drip, Electrical Track Property Improvement | |||||||||||||||||||
| a) Nylon 6 Copolymer (Glass Reinforced ) | 3 phr | Plus addition of 20 phr Melamine, 3 Phr Dechlorance plus UL 94, V-0 rating – speciment thickness 1.66 mm. Comparative Tracking 0.4. (CTI)-451 volts. | ||||||||||||||||||
| b) Nylon 6.6 | 10 phr | Plus addition of 20 phr Dechlorance, plus UL 94, V-0 rating – specimen thickness 0.4. CTI-300 volts. | ||||||||||||||||||
| c) Nylon 6 | 2.5 | Plus addition of 20 phr Dechloration plus. 2.5 phr Antimony Trioxide UL 94, V-0 rating – specimen thickness 1.66 mm CTI-425 volts. | ||||||||||||||||||
| 5 Glass Reinforced Polyester | Benefits: Synergy Smoke levels contained | |||||||||||||||||||
| a) Brominated Polyester | 2.90% | Used alone, UL 94, L.O.I., 35.5% Smoke levels limited to inherent resin levels, ie approx. 12% (Arapahoe method). | ||||||||||||||||||
| b) Chlorinated Polyester | 1.2% | Plus addition of 1.2% Antimony Trihydrate UL 94, V-0 L.O.I 43% Smoke limited to resin level, ie approx. 13% | ||||||||||||||||||
| c) Halogen Free | 10% | Plus addition of 30% Alumina Trihydrate + 105 Phos-check P 30 U194, V -0 L.O.I. 31.0% Addition of Zinc Borate in this (Arapahoes test) form 6.5% to 4.7% | ||||||||||||||||||
| 6 Epoxy | Benefit : Synergism, L.O.I Improvement | |||||||||||||||||||
| 2.5 phr | Plus addition of 25.5 phr Dechlorane Plus +2 .5 phr Antimony Trioxide. UL 94, V-0, L.O.I 28.0% | |||||||||||||||||||
| 7 Carper Backing | Benefits: Bond strength improvement c.f Antimony Trioxide or Alumina Trihydrate. | |||||||||||||||||||
| a) PVC Latex | 10 phr | Adhesive backing layer for Nylon 6.6 carpet Low smoke carpets eg Aircraft | ||||||||||||||||||
| 8 General Rubber | 5 phr | Benefits: Afterglow suppression can be used in conjunction with Chlorinated Paraffin to improve Flame Reardancy | ||||||||||||||||||
| 9 Cotton Fabric | 15% on weight of other flame Retardants present | Benefits: Afterlow suppression. Cotton/polycotton latex. | ||||||||||||||||||
| Treatment | Coating typically containing Decabromo / Antimony Trioxide BS 528 afterglow requirement possible | |||||||||||||||||||
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