DOWSIL™ MQ-1640 RESIN
INCI: Trimethylsiloxy silicate (and) Polypropyl silsesquioxane
Overview
DOWSILTM MQ-1640 Flake Resin is a unique combination of MQ and T Propyl silicone resin. This combination of resin technologies has been especially developed to provide both excellent transfer and wash-off resistance combined with a flexible film and comfortable wear. Even after stretching and washing, the film formed by DOWSIL MQ-1640 Flake Resin remained smooth and undamaged. In sunscreens, DOWSIL MQ-1640 Flake Resin enhanced the SPF wash-off resistance. Silicone resin.
- Color Intensity
- Shine
- Ease of Formulating
- Film Former
- Reduced Stickiness
- SPF Boosting
- Sebum Resistance
- Transfer Resistance
- Wash Off Resistance
Formulation snapshot
Typical phase
Oil phase
Oil-soluble — combined with other lipids and heated with the oil phase.
Functional role
Emollient — improves slip, cushion, and skin feel.
Pairs well with
- A primary emulsifier
- A co-emollient for varied skin feel
- An antioxidant to protect oils
Handling watch-outs
- Always validate stability and microbial safety in your finished formula.
Qualitative guidance only. We don't publish use levels — confirm dosage, pH, and compatibility against the supplier technical data sheet and your own stability testing.
- Supplier
- Dow
- CAS
- 36088-62-7, 68988-56-7
Test DOWSIL™ MQ-1640 RESIN in your next formula
Request a starter sample and our team will follow up with availability, documentation, and shipping details. No minimum order required for sampling.
Quote on request
Specialty active — pricing varies by volume and grade
All orders are reviewed by our sourcing team. Final pricing, lead time, and documentation (CoA, SDS) are confirmed before fulfillment.