K-FLEX USABuna-N/PVC Insulation Sheets

K-FLEX USA Buna-N/PVC Insulation Sheet

K-FLEX USA Buna-N/PVC Insulation Sheets (SKU 3G-OTH-650076) are 3 ft x 4 ft, 1 in thick black sheets with a 4 R-Value. Featuring a self-adhesive backing and plenum-rated construction, these sheets are designed for…

SKU 3G-OTH-650076

Brand

K-FLEX USA

Item

Buna-N/PVC Insulation Sheet

Part Number

6RSXG3X4100

Local availability & support

Payment: Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Compliance & shipping

Hazardous material: Not classified as hazardous
California Prop 65 warning: No warning recorded
Licence required: No licence required
Safety Data Sheet: Not available
Special shipping: Required — additional freight charges may applyThis item requires special shipping, additional charges may apply.

Technical Specifications

K-FLEX USA

Manufacturer Part Number

6RSXG3X4100 

Type

3 ft x 4 ft, Buna-N Rubber/PVC, Black 

Form

Sheet 

Color

Black 

Thick

1 in 

UNSPSC

30141505

Density

3 to 6 lb/cu ft 

R-Value

4

Features

Protects against Mold, Fungal, and Bacterial Growth 

Thickness

1 in 

For Use On

Ducts; Tanks; Utility and Industrial Process Equipment; Vessels 

Flexibility

Flexible 

Backing Type

Adhesive 

Catalog Page

2721

For Location

Outdoor 

Overall Width

3 ft 

Plenum Rating

Plenum Rated 

Foam Cell Type

Closed 

Overall Length

4 ft 

For Environment

High Humidity 

Country of Origin

Mexico (subject to change) 

For Piping System

Chemical; Oil; Solvent 

Flame Spread Index

25

Insulation R-Value

4

Insulation Material

Buna-N Rubber/PVC 

Resistance Properties

UV-Resistant 

Self-Adhesive Backing

Yes

Smoke Developed Index

50

Water Vapor Absorption

0%

Sound Transmission Class

13

Water Vapor Permeability

Less Than 0.01 perm-in Dry Cup 

Maximum Operating Temperature

200 °F 

Minimum Operating Temperature

-40 °F 

Technical Documents

No technical documents available for this product.

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K-FLEX USA Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

Frequently Asked Questions

What is K-FLEX Buna-N/PVC insulation sheet used for?

K-FLEX Buna-N/PVC insulation sheets are used for thermal insulation in HVAC and mechanical systems. The 1 in thick, 3 ft x 4 ft black sheet with a 4 R-Value and self-adhesive backing is designed for plenum-rated applications, helping control condensation and energy loss.

What are the specifications of K-FLEX 6RSXG3X4100 insulation sheet?

The K-FLEX USA 6RSXG3X4100 insulation sheet is 1 in thick, 3 ft x 4 ft, made of Buna-N rubber/PVC in black. It has a 4 R-Value, self-adhesive backing, and is plenum rated. The backing type is adhesive, and the manufacturer part number is 6RSXG3X4100.

Where to buy K-FLEX insulation sheets worldwide?

3G Electric supplies K-FLEX USA Buna-N/PVC insulation sheets worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver the 6RSXG3X4100 sheet to your facility. Contact us for availability and lead time.

How to install K-FLEX self-adhesive insulation sheets?

To install K-FLEX self-adhesive insulation sheets, ensure the surface is clean, dry, and free of debris. Peel the backing and press the sheet firmly into place, avoiding air pockets. For plenum-rated applications, follow local codes and seal seams with compatible tape for optimal thermal performance.

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