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Application

Suitable for perimeter sealing of fire doors and screens, high movement fire-resistant joints, and fire retardant glazing in conjunction with Arboseal Intumescent Tape.

Description

A one-part, low modulus, fire-resisting silicone sealant, which cures on exposure to moisture vapour to form a very elastic silicone rubber.


Features and benefits:

  • It has good adhesion to concrete, metals, and many other common building substrates.
  • It is not recommended for trafficked floor joints, overpainting, or use against natural stone.
  • Very good UV resistance.
  • Anticipated service life in excess of 25 years.
  • Tested to BS 476 Part 22

General information

Color

White

Other

Manufacturer guidance

Special colours made to order. Consult manufacturer and insert requirements.

Material

Silicone

Rubber

Shape

Formless

Uniclass

Pr_30_31_76_77 Silicone construction joint sealantsPrimary

CAWS

L20/820 Sealant joints

P12/390 Sealant

P12/47 Sealant

Product range

Sealants and Facades
Intumescent Sealants

Specification data - Silicone construction joint sealants

Standard

To BS EN ISO 11600; German DIN 18540 Class E; German DIN 4102 B1, Part 1 and US Federal TT-S-00 1543A Class A.

Colour

White.

Manufacturer guidance

Special colours made to order. Consult manufacturer and insert requirements.

Fire performance

-

Fire resistance

Fire integrity in excess of 4 hours.

Manufacturer guidance

See Warrington Fire Research Centre Warres Report No. 122635.

Accessories

None.

Arbo Primer 2172.

Arbo Primer 2402.

Arbo Primer 2650.

Arbo Cleaner No.17.

Guidance for specification option:

Xylene based; not suitable for use with plastics or delicate finishes.

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Application temperature

+5 to +50°C.

Service temperature

-40 to +100°C.

Hardness (shore A)

20.

Working time

Skinning time at 20°C and 65% relative humidity: 30 minutes.

Cure time

2 mm per 24 hours at 20°C and 65% relative humidity.

Chemical resistance

Resistant to most dilute acids and alkalis; organic solvents may cause the sealant to swell and lose adhesion, but do not directly dissolve the sealant.

UV resistance

Very good.

Anticipated service life

25 years+.

Compression strength

Butt joints (movement in tension and compression): 50%.

ShearStrength

Lap joints (movement in shear): 100%.

Joint width

6 mm (minimum single application); 25 mm (maximum single application).

Guidance for specification option:

Joint depth:

  • Minimum: 10 mm.
  • Maximum: 25 mm.


Manufacturer guidance

For multiple applications, contact Adshead Ratcliffe Technical Services.

Literature

Technical Data-Sheet

Technical Data-Sheet

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