Flame Retardant for Polyamide and Polybutylene Terephthalate

Description

Exaflame PA/PBT is a non-toxic, halogen-free flame retardant based on metal salts for polyamides (PA6, PA66, PA12) and polyesters (PBT, PET). This bromine-free and chlorine-free system with low smoke emission provides UL94 V0 and 5VA ratings at moderate loadings while preserving the mechanical properties of the matrix. It releases no corrosive acid gases during combustion — critical for electronic applications. An alternative to Clariant Exolit OP 1230/1240/1311 (DEPAL) in halogen-free FR applications for PA66 GF.

Key properties

• UL94 V0 + 5VA for PA, PBT, PA66 GF — outstanding efficiency
• Halogen-free — compliant with RoHS, REACH and EU directives on brominated substances
• Preserves the strength and HDT of reinforced PA66 GF / PBT GF compounds
• Low smoke emission, non-toxic combustion products
• No corrosive HBr/HCl gases — for electronics and cable insulation
• Compatible with PA6, PA66, PA46, PA12, PBT, PA66 GF30, PBT GF30

Applications

Electrical engineering and electronics. Socket housings, relays, cable ties, contactor housings — UL94 V0/5VA without halogens.

Automotive (e-mobility). Battery module housings, high-voltage connectors, EV cable connections — meeting UL94 V0 + glow wire test requirements.

Cable insulation and jackets. PA66/PBT for jackets with zero HBr/HCl emission in case of fire (tunnels, subways, data centers).

Rail transport. EN 45545-2 R22/R23 (HL2/HL3) — interior components, housings.

Household appliances. Housings for heating appliances, coffee machines and irons — per IEC 60335 and UL94.