Silirub Cleanroom

Silirub cleanroom

Silirub Cleanroom

Silirub Cleanroom is a high-quality neutral elastic low modulus silicone sealant. The product has been developed for sealing applications in critical surroundings (hospitals, laboratories, pharmaceutical industry) and in foodsafe applications.

Enquire about product

Typical Applications

Applications include:

  • Sealing in cleanroom applications in hospitals, laboratories and other critical surroundings
  • Sealing in environments where food is handled and stored (food containers, cold store installations, food industry, etc.)
  • Expansion joints between different building materials

Product Features

  • Permanent colour – UV-resistant – virtually odourless
  • Stays fully elastic after curing
  • Very good adhesion on a wide range of materials
  • Slow skinning time, so ideally suited for long joint runs
  • Tested according to FDA regulations Code CFR 21 § 177.2600 (e) and (f)


 Silirub Cleanroom
Skin formationca. 30 mins. (20°C / 65% RH)
Curing rateca. 1.5mm/24 hr (20°C / 65% RH)
Hardness (Shore A – DIN 53505)20 ± 5
Specific gravity (DIN 53479)1.36 g/ml
Temperature resistance-50°C to +120°C
Application temperature+5°C to +35°C
Elastic recovery (ISO 7389)>80%
Maximum allowed distortion25%
Elasticity modulus 100% (DIN 53504) 0.30 N/mm²
Maximum tension (DIN 53504)2.1 N/mm²
Elongation at break (DIN 53504)>1200%
Shelf life12 months


Data Sheet PDFHealth & Safety Sheet