GT FLEX PRO 0.8mm (0.03") Thick 120mm Circle (10 Sheets)

GT FLEX ® clear aligner & retainer materials are a new generation of thermoplastics engineered specifically for clear aligners and retainers. Their superior strength, flexibility, and affordability make GT FLEX the easy choice for dentists, dental laboratories and aligner companies, worldwide. The GT FLEX-brand of clear aligner & retainer materials - available exclusively from Good Fit Technologies and our family of distribution partners worldwide - is available in three formulations: ORIGINAL, PRO, and MAX.

Flexibility

Clear Aligner Material Flexural Modulus of Elasticity

GT FLEX MAX 30% MORE FLEXIBLE < 180,000

GT FLEX PRO 20% MORE FLEXIBLE 200,000

GT FLEX GREEN FLEXIBLE 240,000

GT FLEX ORIGINAL FLEXIBLE 250,000

Premium Aligner/Retainer 260,000

Premium Aligner 330,000

  380K


  330K


  280K


  230K


  180K

Flexural Modulus of Elasticity (psi; lower number = more flexible)

Strength

Clear Aligner Material IZOD Impact Strength

GT FLEX GREEN 50x STRONGER (>95)

95

GT FLEX MAX 50x STRONGER (>95)

95

GT FLEX PRO 10x STRONGER 18.4

Premium Aligner/Retainer 17.4

GT FLEX ORIGINAL STRONG 1.9

Premium Aligner 1.7

  1


  1.5


  2


  15


  20+

IZOD Impact Strength (ft-lb/in, notch)

Clarity

Clear Aligner Material Light Transmission

GT FLEX MAX CLEAR Above 85%

GT FLEX GREEN SUPER CLEAR Above 90%

GT FLEX PRO SUPER CLEAR 92%

GT FLEX ORIGINAL SUPER CLEAR 93%

Premium Aligner 93%

Premium Aligner/Retainer 90%

  55%


  65%


  75%


  85%


  95%

Light Transmission (above 80% is good; above 90% is exceptional)

Get Started with GT FLEX Choose the version that's best for you:

					GT FLEX Original
				
				
					
				
				
					
					
						March 2026 SPECIAL PRICE
						
							$2.67
						
						$2.17
						per sheet(for 10-sheet SAMPLE packs or 100-sheet packs)
					
					
					In Stock
				
				
					Excellent mix of clarity, strength, and flexibility
				
				
					Add to Cart
				
			
		
	
	
	
			
				
					GT FLEX PRO
				
				
					
				
				
					
					
						March 2026 SPECIAL PRICE
						
							$3.86
						
						$3.27
						per sheet(for 10-sheet SAMPLE packs or 100-sheet packs)
					
					
					In Stock
				
				
					More flexible *and* 10x stronger than ORIGINAL
				
				
					Add to Cart
				
			
		
	
	
	
			
				
					GT FLEX MAX
				
				
					
				
				
					
					
						GT FLEX MAX IS COMING SOON
						
							$4.69
						
						$3.79
						(est.) per sheet(estimated pricing at product launch; subject to change)
					
					
					Pre-Order
				
				
					Maximum flexibility and maximum strength
				
				
					Coming Soon
				
			
		
	
	

Need Help Making Clear Aligners or Retainers? We can help! Good Fit has a number of clients who make clear aligners and retainers using the GT FLEX materials. They can help you with treatment planning as well. If you'd like a recommendation…

Please Contact Us

About Good Fit 40 Years of Experience with Dental Thermoplastics The team at Good Fit Technologies has over 40 years of experience with dental thermoplastics, developing new materials and devices designed to help you provide faster, better dentistry. We're proud to offer GT FLEX and GT TOUGH as part of our portfolio of unique thermoplastics solutions for dentistry. FDA, CE, and More Good Fit conducts its primary business operations from its own, FDA-registered and -inspected facilities in the U.S. Good Fit's products have the FDA certifications required for sale in the U.S., CE certifications required for sale in Europe, and additional certifications for sale in other regions throughout the world. Global Reach The Good Fit products are available through Good Fit Technologies in the U.S. and through our family of distribution partners worldwide.

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