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NorthStar Fluid Solutions bentonite and polymer products are very effective in construction applications like foundation and caisson drilling, tunneling, micro-tunneling, and earth pressure balance machine (EPBM) tunnelling.

High molecular weight dry and liquid polymer formulations ensure stabilizing the surrounding formation during any type of construction drilling processes. For example, STAR-DRILL DRY rapidly develops viscosity that binds soils to allow for easy removal of solids on surface.

Our full line of bentonite, PAC-STAR and STAR-DRILL products are used in slurry tunnelling processes where FOAM-STAR and STAR-DRILL LIQUID polymers are especially useful for tunnelling/EPBM tunnelling projects.

Our new STAR-SORB line of superabsorbents provide an economical waste management solution for cuttings and fluid solidification, by quickly creating stackable solids with almost no increase in volume.

FAQ Products
You recommend product formulations for certain soil conditions - which product should I use in mixed conditions?

Your mud formulation should always address the more prevalent soil condition.

For example, if the formation is mostly sand, then you should formulate to treat sand in addition to the other anticipated geology.

What is the typical order of addition?

Make up water should always be tested and treated first. If you suspect you are working with hard water, then it should be treated with soda ash.

You should next mix your bentonite and give it time to hydrate for about 7-10 minutes.

Natural polymers like PAC and Trol should be added, followed by synthetic or PHPA polymers like Star Drill.

Liquid additives like clay control and lubricants should be added last.

Are your products environmentally safe?

All of our products undergo rigorous environmental testing.

We ensure the products used or recommended for your project meet all Federal, State/Provincial and local environmental regulatory requirements.

What is the benefit of using a liquid polymer?

Liquid polymer, although 30% or 50% active polymer content, will mix a lot faster and more efficiently than dry polymer.

Liquid polymers are typically used where hopper or high shear mixing systems are not available

Will powder polymers mix in any mixing system?

Readily dispersible powder polymers will mix more efficiently than standard dry polymers. We recommended that regular grade polymers are added very slowly to the tanks or through a hopper system.

Otherwise, dry PAC and Trol polymers should be pre-wet in vegetable oil or vegetable-based lubricants

Can I apply NorthStar dill rod grease to wet rods?

Yes, NorthStar drill rod grease is formulated to stick to wet rods.

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