| Base resin | PP, PE, PVC, ABS, PC, PC/ABS, PA, EVA, TPU, LSZH compound or other polymer grade. | Compatibility decides additive choice, carrier resin and processing window. |
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| Processing method | Extrusion, injection molding, sheet, film, cable extrusion, compounding or masterbatch let-down. | Processing temperature and shear affect dispersion, stability and final properties. |
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| Flame target | UL94 V-0 / V-1 / V-2, LOI value, glow wire, customer internal standard or reference sample. | Target rating affects dosage, synergist need, cost and mechanical performance. |
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| System preference | Halogen-free, brominated, chlorinated, low-smoke, antimony-free or open to comparison. | Compliance and cost often decide the best route before sample development. |
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| Color and additives | Natural, white, black, colored parts, glass fiber, fillers, UV package, lubricant or impact modifier. | Appearance and formulation can change dispersion, migration and flame performance. |
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| Trial and demand | Sample quantity, first trial date, expected monthly or annual demand, target destination market. | Supply planning helps match sample pack, lead time, packaging and export documents. |
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| Documents needed | TDS, SDS, COA, RoHS, REACH, packaging information, HS code or other customer documents. | Procurement readiness reduces back-and-forth after technical screening. |
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