HS Butyl 2788

Identification

Backing Material

Polyvinyl Chloride (PVC)

Chemical Family

Butyl Rubber

GBU

BAS

RTU Product Type

Tape

Categories

Markets → Electrical & Electronics → Applications → Wire & Cable → Building Wires & Power Cables

Technologies → Adhesives & Sealants → Product Families → Pressure Sensitive Adhesives, Tapes & Labels → Tapes

Applications

Application Area

Junction Boxes,

Cables,

Electrical Connection

Compatible Substrates & Surfaces

Plastics

Applications & Uses

Application Instructions

Surface preparation

• All surfaces should be clean, dry, and free from frost, grease, and loose materials.
• When cleaning contaminated substrates, HS Butyl recommends using propan-2-ol (IPA) and allowing it to dry before applying the butyl tape.

Application

• Apply directly from the reel, removing the backing paper in short lengths.
• Keep the product taut or slightly stretched while wrapping to ensure a good seal.

Product Application

• For sealing and protection of joints in electrical cables.
• For sealing in and around junction boxes.
• For low voltage cable repair.
• For sealing all types of overhead electrical connections up to 1kV.

Features

Ready-to-Use Product Features

Good Adhesion,

Good Electrical Properties,

Good Mechanical Properties,

Improves Physical Properties,

Ease Of Use

Features & Benefits

Product Features

• Excellent adhesion to most rubber and plastic cable insulation materials.
• Good physical and electrical properties.
• PVC backing improves mechanical strength.
• Easy and accurate to use with little waste and no mess.

Packaging & Availability

Regional Availability

• Asia Pacific
• Europe
• Global
• North America
• Latin America
• India/MiddleEast/Africa (IMEA)

Packaging Information

HS Butyl 2788 is supplied as a preformed strip with a siliconised release paper. A wide range of dimensions can be supplied. Product dimensions will determine the number of rolls per carton.

Properties

Product Tolerance

Rectangular sections:

• Thickness: ±10%

Width:

• Up to 25mm: ±1mm
• 26mm to 100mm: ±2mm

Performance Properties

	Value	Units	Test Method / Conditions
Density	1.4	g/cm³	HS Butyl Test Method 6
Dielectric Strength	22	kV/mm	BS 903
Insulation Resistance	14 × 10¹²	Ω	BS 903
Nominal Service Temperature	-40 to 90	°C	-
Peel Strength (180° peel adhesion)	14	N/cm	HS Butyl Test Method 41
Peel Strength (90° peel adhesion)	9	N/cm	HS Butyl Test Method 48
Tensile Strength	28	N/cm²	BS 903

Application Properties

	Value	Units	Test Method / Conditions
Application Temperature	5 - 40	°C	-

Regulatory & Compliance

Certifications & Compliance

ISO 9001

Storage & Handling

Storage Condition

24 months when stored flat in original packaging in cool, dry conditions.

Shelf Life

24 months