GRP Catalyst Hardener

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GRP Catalyst Hardener 1L High-performance GRP Catalyst Hardener formulated for use with polyester resins in fibreglass roofing and laminating applications. Delivers reliable curing and consistent results for strong, durable finishes. GRP Catalyst Hardener 5kg Professional-grade 5kg GRP Catalyst Hardener designed for larger fibreglass roofing and composite projects. Provides dependable curing performance when mixed with polyester resins, ensuring a tough, long-lasting finish. Show more