Trending Products Pa46 Flame Retardant - High quality PBT/PET injection virgin grade glassfiber filled – Siko

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Trending Products Pa46 Flame Retardant - High quality PBT/PET injection virgin grade glassfiber filled – Siko Detail:

PBT/PET is a thermoplastic engineering polymer that is used as an insulator in the electrical and electronics industries. It is a thermoplastic (semi-)crystalline polymer, and a type of polyester. There are resistant to solvents, shrinks very little during forming, is mechanically strong, heat-resistant up to 150 °C (or 200 °C with glass-fiber reinforcement) and can be treated with flame retardants to make it noncombustible. It was developed by Britain’s Imperial Chemical Industries (ICI).

PBT is closely related to other thermoplastic polyesters. Compared to PET (polyethylene terephthalate), PBT has slightly lower strength and rigidity, slightly better impact resistance, and a slightly lower glass transition temperature. PBT and PET are sensitive to hot water above 60 °C (140 °F). PBT and PET need UV protection if used outdoors, and most grades of these polyesters are flammable, although additives can be used to improve both UV and flammability properties.

PBT/PET Features

Good heat resistance, super toughness& fatigue resistance.

Nice electrical stability.

Excellent dimension stability,

Self-lubricating, low water absorption,

Electrical insulation is good

To keep good properties in the humid environment .

PBT/PET Main Application Field

Widely used in machinery, instrumentation, automotive parts, electrical and electronic, railway, home appliances, communications, textile machinery, sports and leisure products, oil pipes, fuel tanks and some precision engineering products.

Field	Application Cases
Auto Parts	Light parts, Door mirror frame, air supply port, igniter coil bobbin, insulation cover, motorcycle igniter
Electrical&Eletronics parts	Connectors, sockets, relays, sound output transformer skeleton, energy saving lamp holder, hair straighter, and other consumer electronics
Industrial parts	Bobbins, splitter and so on

PBT

SIKO PBT/PET Grades And Description

SIKO Grade No.	Filler(%)	FR (UL-94)	Description
SP20G20/G30/G40	10%-40%	HB	PBT+20%GF Reinforced
SP30G20/G30/G40	10%-40%	HB	PET+20%GF Reinforced
SP20G30FGN	30%	V0	PBT+30%GF, Halogen free FR V0@1.6mm
SP30G30FGN	30%	V0	PET+30%GF, Halogen free FR V0@1.6mm
SP20G20F/G30F	20%-30%	V0	PBT+20%GF, FR V0@1.6mm
SP30G20F/G30F	20%-30%	V0	PET+20%GF, FR V0@1.6mm,

Grade Equivalent List

Material	Specification	SIKO grade	Equivalent to Typical brand & grade
PBT	PBT+30%GF, HB	SP20G30	BASF B4300G6
PBT	PBT+30%GF, FR V0	SP20G30	BASF B4406G6
PET	PET+30%GF, FR V0	SP30G30F	DUPONT Rynite FR530

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