KEY SPERS (Water-Based Rosin Dispersions) are an innovative and sustainable solution primarily for the pressure-sensitive adhesive (PSA) industry.
Our dispersions provide excellent, instant adhesion to a wide range of surfaces, ensuring superior technical performance. Being water-based, they completely eliminate the need for harmful organic solvents.
Technical Specifications & Typical Properties
| PROD. REF. | SOLIDS (%) |
ACID VALUE (mg KOH/g) |
SOFTENING POINT (R&B) (°C) |
VISCOSITY Brookfield LVT (mPa.s) |
pH | AVERAGE PARTICLE SIZE (nm) |
APPLICATION |
|---|---|---|---|---|---|---|---|
| SPERS 862.1 | 52 – 54 | 12 max. | 65 – 75 | 100 – 1,000 | 8.5 – 9.5 | 350 max. | Taping & Labelling (PSA) |
KEY PLAST products bespoke formulations based on a blend of natural polyol esters.
These esters deliver exceptional performance as plasticisers for road marking, bitumen, and asphalt, demonstrating high permanence within the matrix alongside excellent low-temperature flexibility.
Technical Specifications & Typical Properties
| PROD. REF. | ACID VALUE (mg KOH/g) |
GARDNER COLOUR (50%, Toluene) |
VISCOSITY @ 20°C (mPa.s) |
|---|---|---|---|
| 891.1 | 15 max. | 8 max. | 600 – 1,000 |
KEY TACK range is a new bio-based line of tackifiers derived from rosin resins. Our tackifiers are functional additives engineered to enhance adhesion and adjust viscosity in formulations such as adhesives, paints, and coatings. Their performance relies on superior wetting capability which governs substrate coverage and broad compatibility across diverse formulation components, ensuring highly effective modification of adhesive properties.
Technical Specifications & Typical Properties
| ORIGIN | PROD. REF. | ACID VALUE (mg KOH/g) |
SOFTENING POINT (R&B) (°C) |
GARDNER COLOUR (50%, Toluene) |
VISCOSITY (Brookfield) @ 150°C (mPa.s) |
HYDROXYL VALUE (mg KOH/g) |
BIO-BASED CONTENT |
|---|---|---|---|---|---|---|---|
| GUM ROSIN-BASED | 806.1 | 2 max. | 90 – 105 | 4 max. | 3,550 | 20 – 60 | 100% BIO BASED |
| TALL OIL-BASED | 807.1 RM | 12 max. | 97 – 105 | 4 max. | 1,245 | — | 98% BIO BASED |
| 807.4 RM | 12 max. | 97 – 107 | 4 max. | 850 – 1,200 | — | 98% BIO BASED | |
| 808.1 | 10 max. | 97 – 102 | < 4 max. | 940 | — | 98% BIO BASED | |
| 808.2 | 10 max. | 90 – 96 | < 4 max. | — | — | 98% BIO BASED | |
| 808.6 | 10 max. | 80 – 85 | 4 max. | 230 | — | 100% BIO BASED |
KEY GUM is a range of bio-based resins specially developed for chewing gum base formulations. Designed to meet the stringent requirements of the confectionery industry, these resins serve as high-quality ingredients across various gum base formulations.
These solid bio-based resins exhibit a light-yellow colour, neutral odour, and neutral taste with a subtle sweetened note, making them an ideal choice for applications demanding complete sensory neutrality.
Technical Specifications & Typical Properties
| PROD. REF. | ACID VALUE (mg KOH/g) |
SOFTENING POINT (R&B) (°C) |
GARDNER COLOUR (50%, Toluene) |
|---|---|---|---|
| 841.1 | 8 max. | 88 – 100 | 8 max. |
| 841.2 | 8 max. | 111 – 117 | 8 max. |
KEY FILM range is an innovative line of bio-based additives derived from rosin resins, developed to deliver exceptional film-forming properties across diverse applications. These additives enhance adhesion, durability, and barrier performance in formulations including cosmetic films for creams and sunscreens, packaging solutions, and paper coatings. Engineered to optimize film integrity, they provide superior substrate wetting and broad formulation compatibility, ensuring consistent application and end-product performance.
Technical Specifications & Typical Properties
| PROD. REF. | ACID VALUE (mg KOH/g) |
SOFTENING POINT (R&B) (°C) |
GARDNER COLOUR (50%, Toluene) |
|---|---|---|---|
| 831.1 | 150 max. | 80 – 90 | 6 max. |
| 832.1 | 80 – 100 | 100 – 120 | 9 max. |
