Heat Resistant Tape

Heat Resistant Tape is a specialized pressure-sensitive tape engineered to maintain its structural integrity, adhesive bond, and functional properties under continuous or intermittent exposure to elevated temperatures — typically ranging from +120°C to +300°C, with select grades surviving short bursts up to +500°C. fiberglass cloth, aluminum foil, or silicone-impregnated fabrics, coated with silicone or acrylic adhesives formulated to resist thermal degradation.

Used extensively in electronics manufacturing, automotive assembly, powder coating, aerospace, and industrial processes, heat resistant tape provides masking, insulation, sealing, and protection where ordinary tapes would melt, char, or fail.

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Detailed Introduction

Features:

Extreme Temperature Tolerance: Continuous service from -40°C to +300°C depending on grade; short-term peak resistance up to +500°C.
Thermal Stability: No melting, embrittlement, or adhesive oozing under sustained heat exposure.
Chemical & Solvent Resistance: PTFE and silicone-based grades resist acids, alkalis, solvents, and cleaning agents.
Electrical Insulation: Polyimide and PTFE grades offer high dielectric strength (up to 7,000V) for electrical and electronic applications.
Non-Stick Surface (PTFE): Release-coated surface prevents adhesion of solder, glue, resin, and molten materials.
Conformable: Fiberglass cloth and silicone-impregnated fabrics conform to irregular surfaces, curves, and edges.
Clean Removal: Residue-free removal even after prolonged heat exposure — no sticky residue left behind.
Flame Retardant: Self-extinguishing; meets UL 94 V-0 and other flammability standards.

Applications:

Electronics Manufacturing: PCB solder mask, wave soldering protection, gold finger masking.
Powder Coating & Painting: Masking threads, holes, and surfaces during oven curing cycles.
Automotive: Engine compartment wire harnessing, heat shield attachment, exhaust system wrapping.
Aerospace: Thermal insulation wrapping, composite curing masking, high-temp cable bundling.
Industrial Processing: Heat sealing bar covering, oven conveyor belt splicing, furnace gasket sealing.
HVAC & Appliance: Heating element insulation, oven door seal reinforcement.
Laboratory & Research: High-temp sample mounting, thermal test fixture masking.

Technical Specifications:

Parameter	Typical Range
Backing Material	Polyimide (PI) / PTFE / Fiberglass Cloth / Aluminum Foil / Silicone Rubber
Adhesive Type	Silicone (standard for high-temp); Acrylic (moderate high-temp)
Color	Amber (polyimide); White/Brown (PTFE); White/Grey (fiberglass); Silver (aluminum)
Total Thickness	50 – 360 µm (0.05 – 0.36 mm)
Width	3 mm – 500 mm (common: 6 / 10 / 12 / 19 / 25 / 50 mm)
Length per Roll	10 m – 66 m
Core Size	1" (25 mm) or 3" (76 mm)
Tensile Strength (MD)	≥ 35 N/25mm (polyimide); ≥ 138 N/25mm (fiberglass)
Elongation at Break	20% – 75% (grade dependent)
180° Peel Adhesion (Steel)	≥ 3.5 N/25mm (silicone); ≥ 4.5 N/25mm (acrylic)
Temperature Range	-40°C to +300°C (continuous); up to +500°C (intermittent)
Dielectric Strength	≥ 5,000V (polyimide); ≥ 7,000V (PTFE)
Flame Retardancy	UL 94 V-0 compliant (select grades)