Recommended to use a lighter or a heat gun to heat and shrink
Pictures are for reference only
Size Description:
Φ 15 (Inner diameter before shrinkage: ≥ 15mm, wall thickness: 0.45 ± 0.15mm, inner diameter after complete shrinkage: ≤ 8mm, wall thickness: 0.85 ± 0.15mm);
Φ 20 (inner diameter before shrinkage: ≥ 20mm, wall thickness: 0.50 ± 0.15mm, inner diameter after complete shrinkage: ≤ 11mm, wall thickness: 0.90 ± 0.15mm);
Φ 22 (Inner diameter before shrinkage: ≥ 22mm, wall thickness: 0.50 ± 0.15mm, inner diameter after complete shrinkage: ≤ 12.5mm, wall thickness: 0.90 ± 0.15mm);
Φ 25 (inner diameter before shrinkage: ≥ 25mm, wall thickness: 0.50 ± 0.15mm, inner diameter after complete shrinkage: ≤ 14.5mm, wall thickness: 1.00 ± 0.15mm);
Φ 28 (Inner diameter before shrinkage: ≥ 28mm, wall thickness: 0.50 ± 0.15mm, inner diameter after complete shrinkage: ≤ 15.5mm, wall thickness: 1.00 ± 0.15mm).
Φ 30 (inner diameter before shrinkage: ≥ 30mm, wall thickness: 0.60 ± 0.15mm, inner diameter after complete shrinkage: ≤ 17.5mm, wall thickness: 1.20 ± 0.20mm);
Φ 35 (inner diameter before shrinkage: ≥ 35mm, wall thickness: 0.60 ± 0.15mm, inner diameter after complete shrinkage: ≤ 20mm, wall thickness: 1.20 ± 0.20mm);
Φ 40 (inner diameter before shrinkage: ≥ 40mm, wall thickness: 0.60 ± 0.15mm, inner diameter after complete shrinkage: ≤ 23mm, wall thickness: 1.20 ± 0.20mm);
Φ 50 (Inner diameter before shrinkage: ≥ 50mm, wall thickness: 0.65 ± 0.15mm, inner diameter after complete shrinkage: ≤ 28mm, wall thickness: 1.25 ± 0.20mm)