H-600 Isocyanate Hardener (Dongsen)

Low viscosity, high cost

Monolith Chem × Dongsen Chemicals

Monolith Chem is a Dongsen Chemicals brand — the vertical product line focused on polyaspartic polyurea. Both brands appear side by side on this site. Dongsen hardeners (HDX-100, HDX-1200) pair with Monolith resins. Full Dongsen portfolio: dongsenchem.com. Manufacturing region: Foshan, Guangdong. Inquiries via Monolith only.

Email: jb@polyasparticresin.com
WhatsApp: +86 135 5613 5445

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Compliance note

ISO 9001 documented for polyaspartic urethane resin production at the manufacturing base. Hardener specs from Dongsen public catalog where published; OCR caveats flagged on affected pages. No invented certifications.

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