BASIC "TROLLY" DESCRIPTION

BASIC "TROLLY" DESCRIPTION

The hopper at the back contains the glass beads.

The glass beads are discharged from the hopper on to a flat plate that spreads the beads to the width of the line.

The flow of beads is adjusted to a rate to achieve the initial retro-reflectivity requirement stated in the contract document.
It is not uncommon to state a rate of beads as 70% of the amount that would be required to achieve shoulder to shoulder cover when tested in the laboratory.
But less than this amount may achieve the required retro-reflectivity stated in a performance based specification.
The element that is critical is that the glass beads must be applied to the surface of the screeded thermoplastic while it is still in a molten state to ensure that the beads will form a firm bond with the thermoplastic.

There are various "coatings" that can be applied to the glass beads in manufacture to improve the bonding process.

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Langfang Olan Glass Beads Co.,Ltd

Tel:   +86-316-2013621

Fax:  +86-316-7018536

Mob: +86-151-0066-3145

QQ(Wechat):  348575348

Email: sales@cnglassbead.com 

Website:  www.cnglassbead.com  

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