Solid Silicone Sealing Strip

Name: Solid Silicone Sealing Strip
Brand: Churub Rubber
SKU: PROD-009

Solid silicone sealing strip, extruded, weather-resistant, custom profiles available

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Description

This solid silicone sealing strip is extruded for continuous-length applications requiring weather-tight seals. It is commonly used in doors, windows, enclosures, and industrial equipment. The strip maintains elasticity at low temperatures and resists UV degradation, ozone, and extreme weather conditions. Available in D-shape, P-shape, bulb seal, and custom profiles. Can be supplied with adhesive backing for easy installation.

Specifications

Material	Solid Silicone (VMQ)
Hardness	50±5
Operating Temperature	-50°C to 230°C
Color	Black / Gray / White
Certifications	ISO 9001
MOQ	500
Lead Time	15 days (after approval)
Customization	Drawing or sample based, full dimensional report provided

Engineering & Quality Documentation

📋 Technical Standards

Service range -50 °C to +230 °C; UV / ozone resistant
UL 94 flame-retardant grades available
LFGB / FDA grades for food-zone applications
ASTM D2000 material call-outs supported

🏭 Manufacturing Process

Continuous extrusion with in-line laser curing or autoclave vulcanization; profiles D-shape, P-shape, bulb and custom with swell-compensated dies.

In-line laser gauging of critical profile dimensions
Adhesive backing application available in-line
Splice-vulcanized frames from extruded cord on request

🔍 Quality Inspection

▸ 100% visual inspection before packing (flash, short-shot, contamination)
▸ Dimensional verification against approved drawing; FAI report on first shipment
▸ Hardness per ASTM D2240 (Shore A) on every batch
▸ Lot traceability: material batch and cure records logged per carton
▸ Profile dimension records from in-line laser gauging
▸ Compression force-deflection sampling per lot
▸ Hardness per ASTM D2240 per batch