H.B. Fuller CASEMATE WB 8921 P

H.B. Fuller CASEMATE WB 8921 P is a water-based adhesive with excellent adhesion on difficult to bond surfaces. This grade exhibits very good lay-flat properties along with very good machinability. It is easy to clean and has a high wet tack.

Compatible Substrates & Surfaces: Cardboards, Leather, Polypropylene (PP), Polyvinyl Chloride (PVC)

Application Method: Roller

Features: Easy To Clean, Excellent Machinability, Excellent Substrate Adhesion, Very Good Lay-Flat Properties, Wet Tack

Technical Data Sheet
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Enhanced TDS

Identification & Functionality

Features & Benefits

Applications & Uses

Application Method
Typical Applications

Developed for the casing-in of book blocks into covers.

Suitable Substrates

Leather, acetate- and PP foils, as well as lacquered cardboards and plasticized PVC - and PP-foils as covers. It is important to ensure that the desired level of adhesion is obtained on the necessary substrates, including long-term tests.

Application Instructions

Apply with roller. Application temperature should be between 15°C - 25°C.

Cleaning Instructions

Adhesive residues may be washed off with warm water.


Typical Properties
ValueUnitsTest Method / Conditions
FilmSoft, elastic--
pHapprox. 5--
Viscosity (at 20°C)approx. 3,100mPa.sASTM D 3236-88, Brookfield
Solids Contentapprox. 54%-

Typical values only, slight variations may occur but will not affect product’s meeting the standard technical parameters as stated; please consult our CoA for more details (available on request).

Storage & Handling

Shelf Life
6 Months
Storage Conditions

In original sealed packaging protected from sun, dust, moisture and high temperatures. Clean and dry conditions above +15°C and below +25°C.