Words to Describe insulators

How insulators often is described ("________ insulators")

• off
• groove
• broken
• polymeric
• porcelain
• pin
• electronic
• organic
• solid
• high
• ferromagnetic
• hollow
• through
• clean
• heat
• most
• type
• called
• porous
• sound
• outdoor
• strain
• terminal
• voltage
• heavy
• gap
• shaped
• conventional
• perfect
• suitable
• ordinary
• excellent
• synthetic
• cracked
• inorganic
• liquid
• combustible
• ceramic
• disordered
• defective
• better
• transparent
• best
• thin
• dielectric
• double
• electrical
• line
• imperfect
• ionic
• plug
• dirty
• post
• semi
• composite
• refractory
• effective
• plastic
• typical
• antiferromagnetic
• overhead
• good
• poor
• efficient
• thermal
• aerial
• standard
• crystalline
• ideal
• amorphous
• magnetic
• electric