Out of date but still usable expiry date of 18/12/25. The OB1 Multi-Surface Construction Sealant & Adhesive in Anthracite is a high-quality waterproof silicone product manufactured by Siroflex in the United Kingdom. It is certified as non-toxic with EC1 & EC1 A+ certification, making it safe for use in various applications. With a hardness of 60 Shore A and an E-Modulus of 1.72 N/mm2, this sealant offers durability and reliability. Available in quantities of 1, 2, 6, or 12, ensuring long-lasting performance for your construction needs.
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